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  • Why isn't garbage collection being activated in my code? [migrated]

    - by Netmoon
    I have a foreach statement in my code, where each iteration calculates huge amounts of data and goes to the next iteration. I run this code, but when I read the log, I see there's a memory leak error. PHP.net says when this happens, using gc_enabled() is a good way to handle this. I've added these lines to last line of the foreach block: echo "Check GC enabled : " . gc_enabled(); echo "Number of affected cycles : " . gc_collect_cycles(); And this is the output: Check GC enabled : 1 Number of affected cycles : 0 Why do cycles exist, but the affected cycles is 0?

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  • Why do Git users say that Subversion does not have all the source code locally?

    - by johnny
    I'm only going on what I've read on SO, so forgive me, but all I read says that one major advantage of Git over Subversion is that Git gives all the source code to the developer locally, not having to do anything on the server. With my limited using of SVN and TortoiseSVN, I had all the source code, or at least I thought I did. For example, I have a website. I upload it to SVN. I am still running my website locally, aren't I? If someone submits a change and I'm not connected, it wouldn't matter if I had Git or not, until I reconnect to the server. I do not understand. I'm not asking for a rehash of one vs. the other except this one point.

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  • Code Space : le projet de Microsoft qui introduit une nouvelle façon de collaborer en utilisant Kinect, terminaux tactiles et PC

    Code Space : le projet de Microsoft qui introduit une nouvelle façon de collaborer En utilisant Kinect, terminaux tactiles et PC Microsoft research vient de mettre sur pied un projet qui présente un nouveau concept de partage de l'information lors des réunions ou séance de travail en petit groupe. Le projet baptisé « Code Space », démocratise l'accès, le contrôle et le partage d'informations à travers de multiples dispositifs personnels et de présentation publique. [IMG]http://rdonfack.developpez.com/images/CodeSpace.jpg[/IMG] Le système comme son nom l'indique, a été conçu à la base pour les développeurs. Avec cette technologie, ceux-ci peuvent facilement...

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  • Do I have to release the code of a MIT licensed software running a GPL library?

    - by Belohlavek
    Lets say I'm using Node-Webkit, an MIT licensed app runtime. Now, let's say I decide to include a Javascript library which is GPL licensed: while I do not modify the downloaded JS file, I do write my own code making use of the library's functions. I plan to sell the final obfuscated executable and I'm wondering: what's the final license of the complete software? Do I only have to release the GPL library or does the GPL license apply for all the code I wrote? What happens to Node-Webkit's MIT license?

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  • How to learn to translate real world problems to code?

    - by StudioWorks
    I'm kind of a beginner to Java and OOP and I didn't quite get the whole concept of seeing a real world problem and translating it to classes and code. For example, I was reading a book on UML and at the beginning the author takes the example of a tic tac toe game and says: "In this example, it's natural to see three classes: Board, Player and Position." Then, he creates the methods in each class and explains how they relate. What I can't understand is how he thought all this. So, where should I start to learn how to see a real world problem and then "translate" it into code?

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  • Optionally Running SPSecurity.RunWithElevatedPrivileges with Delgates

    - by Damon Armstrong
    I was writing some SharePoint code today where I needed to give people the option of running some code with elevated permission.  When you run code in an elevated fashion it normally looks like this: SPSecurity.RunWithElevatedPrivileges(()=> {     //Code to run }); It wasn’t a lot of code so I was initially inclined to do something horrible like this: public void SomeMethod(bool runElevated) {     if(runElevated)     {         SPSecurity.RunWithElevatedPrivileges(()=>         {             //Code to run         });     }     else     {         //Copy of code to run     } } Easy enough, but I did not want to draw the ire of my coworkers for employing the CTRL+C CTRL+V design pattern.  Extracting the code into a whole new method would have been overkill because it was a pretty brief piece of code.  But then I thought, hey, wait, I’m basically just running a delegate, so why not define the delegate once and run it either in an elevated context or stand alone, which resulted in this version which I think is much cleaner because the code is only defined once and it didn’t require a bunch of extra lines of code to define a method: public void SomeMethod(bool runElevated) {     var code = new SPSecurity.CodeToRunElevated(()=>     {         //Code to run     });     if(runElevated)     {         SPSecurity.RunWithElevatedPermissions(code);         }     else     {         Code();     } }

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  • Codename One : la boite à outils Java open source pour le développement mobile multiplateforme sur une base de code unique sort

    Prise en charge de Windows 8 pour Codename One la boîte à outils open source pour le développement mobile multiplateforme sur une base de code Java unique Codename One, la plateforme open source pour le développement mobile en Java prend désormais en charge Windows Phone et les tablettes Windows 8. Développé par deux anciens ingénieurs de SUN Microsystems, Codename One est un écosystème léger, fondé sur Java, conçu pour permettre aux développeurs de créer des applications natives pour de multiples plateformes mobiles et tablettes en utilisant une base de code unique. La bêta de la boîte à outils avait été présentée en juillet dernier, et permettait de développer pour iOS, Android...

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  • Where can I get a definition of how the code is laid out in VB.NET 2010?

    - by ByteWorker
    I am just starting out learning Visual Basic 2010. I have books and videos. The books all seem to be written for people who have some programming experience, even the books that say they are for beginners. The videos were great until they started talking about variables. I got the basics of them but they started into complicated variables and I don’t see the need for them right away. Where can I go to see code for fairly intricate applications written out, with an over lay of definitions of which part of the code is a method as opposed to a class and so on? Also, I am working at a company that does not use SQL. So I need to use Access 2007 for all of my tables. Is there much of a difference to the coding?

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  • Is 500 million lines of code even remotely possible? [on hold]

    - by kmote
    The New York Times is reporting that the Healthcare.gov website contains "about 500 million lines of software code." This number, attributed to "one specialist", and widely repeated across the interwebs, seems incredibly far-fetched (even assuming a large fraction of that number includes standard libraries). If this is an accurate estimate, it would truly be staggering (as this fascinating infographic vividly reveals). I realize StackExchange:Programmers isn't Snopes.com, but I'd like to find out if anyone here believes this is even remotely possible. I'd like to know if there is a plausible system of accounting (using examples from publicly available data, if possible) that could lead someone to conclude that such an estimate is within the realm of reason. How could a codebase (by any measure) sum up to such an exhorbitant number of code lines?

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  • Why do developers learn to code by developing todo lists, yet all the todo lists that are available still suck? [closed]

    - by gunshor
    Why do developers learn to code by developing todo lists, yet all the todo lists that are available still suck? I understand that: - coding a todo list is an easy way to learn how to code. - there are an infinite number of ways of building todo lists. - there has never been a todo list that become the defacto standard industry leader. But when I get questions from investors on this topic (usually by asking "Why hasn't anyone solved this before?"), I'd like to have a good answer ready that's not obvious. What should my answer be? Thanks.

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  • Dev Connections / VS Launch April 2010 &ndash; Code!

    Just returned from the VS Launch last week, and as promised here is the code for my sessions. I will post a separate entry with all the code for my Azure Tutorial which was on Thursday. And, as always, if you are looking for something in particular and cant find it here, just drop me an email! AppFabric Access Control http://www.dasblonde.net/downloads/AccessControlSamples.zip Samples for both WCF/REST samples and web resources such as Web Form and ASHX Samples include a complete object model...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • Legally, can I re reuse code for different customers?

    - by canice
    The company I work for develops custom factory automation applications for multiple customers. Even though each application is custom, they contain common code which is re-used across projects. One of the customers is now looking for the source code to their application, which has caused a major storm in the company. Management have decided that we can't give them the source to the shared components as they are used by other customers. I've been asked to modify the shared components 'enough' so as they aren't common. So my questions are: 1) Legally, should there be any problem with re-using common components for different customer? 2) If I really need to modify the common components, then how much is 'enough' ? (I know this sucks, but I either do this or hand in my notice). Oh yeah, and my company has no license in place with any of these customers.

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  • How should I get my code ready for OpenSourcing it and putting it on GitHub?

    - by Sempus
    In a few weeks, my project is going to be finished and I want to start getting my code ready for other people to use it. I am going to be posting everything to GitHub so people can tweak it and hopefully make it better. I guess what I'm asking is, what would be the best way to make sure my code is sufficiently documented and worded right for other people to use? I know you should always comment everything and I'm going to be putting in the @params feature for every method, but are there any other tips in general?

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  • "Never do in code what you can get the SQL server to do well for you" - Is this a recipe for a bad design?

    - by PhonicUK
    It's an idea I've heard repeated in a handful of places. Some more or less acknowledging that once trying to solve a problem purely in SQL exceeds a certain level of complexity you should indeed be handling it in code. The logic behind the idea is that for the large majority of cases, the database engine will do a better job at finding the most efficient way of completing your task than you could in code. Especially when it comes to things like making the results conditional on operations performed on the data. Arguably with modern engines effectively JIT'ing + caching the compiled version of your query it'd make sense on the surface. The question is whether or not leveraging your database engine in this way is inherently bad design practice (and why). The lines become blurred further when all the logic exists inside the database and you're just hitting it via an ORM.

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  • JavaScript : vérifiez votre code en ligne grâce à JSLint, mise à jour majeure de l'outil open source

    Contrôler votre code JavaScript avec ce vérificateur en ligne De la même manière que CSS Lint s'est imposé dans la validation de feuilles de style CSS, JS Lint va très certainement devenir un classique. Cet outil vous permet de vérifier votre code JavaScript en ligne. Pour se faire vous disposez de toutes une séries d'options à régler, en fonction de vos besoins. L'outil est bien évidemment écrit en JavaScript ; la boucle est bouclée ! A noter que JS Lint permet également la vérification de source HTML, CSS ou encore JSON.

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  • Decrementing/Incrementing loop variable inside for loop. Is this code smell?

    - by FairDune
    I have to read lines from a text file in sequential order. The file is a custom text format that contains sections. If some sections are out of order, I would like to look for the starting of the next valid section and continue processing. Currently, I have some code that looks like this: for (int currentLineIndex=0; currentLineIndex < lines.Count; currentLineIndex++ ) { //Process section here if( out_of_order_condition ) { currentLineIndex--;//Stay on the same line in the next iteration because this line may be the start of a valid section. continue; } } Is this code smell?

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  • Nginx with Passenger setup problems

    - by Kreeki
    I'm trying to setup nginx webserver with Passenger support for Ruby on Rails application on Ubuntu 10.04 (on sub URI). All went fine until I tried to access the server/application from the browser. My instalation of nginx is in location /opt/nginx # my nginx.conf server { listen 80; server_name www.mydomain.com; root /websites/site/public; passenger_enabled on; passenger_base_uri /site; location / { # added by default, I don't know if its supposed to be here or not root html; index index.html index.htm; } Then I started the server. But when I put www.mydomain.com/site in browser I get 404 Not Found error. Error.log shows this: 2011/03/04 10:07:07 [error] 21387#0: *2 open() "/opt/nginx/html/favicon.ico" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71", referrer: "http://80.79.23.71/" 2011/03/04 10:07:07 [error] 21387#0: *2 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71", referrer: "http://80.79.23.71/" 2011/03/04 10:07:11 [error] 21387#0: *4 open() "/opt/nginx/html/favicon.ico" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71:80", referrer: "http://80.79.23.71:80/" 2011/03/04 10:07:11 [error] 21387#0: *4 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /favicon.ico HTTP/1.1", host: "80.79.23.71:80", referrer: "http://80.79.23.71:80/" 2011/03/04 10:07:13 [error] 21387#0: *5 open() "/opt/nginx/html/site" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:13 [error] 21387#0: *5 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:15 [error] 21387#0: *6 open() "/opt/nginx/html/site" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:15 [error] 21387#0: *6 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:19 [error] 21387#0: *7 open() "/opt/nginx/html/site" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" 2011/03/04 10:07:19 [error] 21387#0: *7 open() "/opt/nginx/html/404.html" failed (2: No such file or directory), client: 90.182.7.150, server: www.mydomain.com, request: "GET /site HTTP/1.1", host: "80.79.23.71:80" Why does nginx look for site in /opt/nginx/html/site as log shows when there's another path set in nginx.conf? Any idea whats wrong with my setup?

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  • HowTo redirect HTTP to HTTPS on the same httpd?

    - by mosg
    Hi. Here is what I have got: CentOS 5.4 (32-bit) installed Apache httpd (Server version: Apache/2.2.11 (Unix)) mod_rewrite already presents Question: how to redirect simple http://site.com to https://site.com not using VirtualHost defines? PS: tried to find in later answers on SF, but doesn't find nice solution. Thanks.

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  • How to diagnose failing 6Gbps SATA connection?

    - by whitequark
    I have a Samsung RC530 notebook and OCZ Vertex-3 6Gbps SATA SSD working in AHCI mode. # dmesg | grep DMI SAMSUNG ELECTRONICS CO., LTD. RC530/RC730/RC530/RC730, BIOS 03WD.M008.20110927.PSA 09/27/2011 # lspci -nn 00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port SATA AHCI Controller [8086:1c03] (rev 04) # sdparm -a /dev/sda /dev/sda: ATA OCZ-VERTEX3 2.15 At the boot, the following messages are present in dmesg (I am running Debian wheezy @ Linux 3.2.8): # dmesg | grep -iE '(ata|ahci)' [ 5.179783] ahci 0000:00:1f.2: version 3.0 [ 5.179802] ahci 0000:00:1f.2: PCI INT B -> GSI 19 (level, low) -> IRQ 19 [ 5.179864] ahci 0000:00:1f.2: irq 42 for MSI/MSI-X [ 5.195424] ahci 0000:00:1f.2: AHCI 0001.0300 32 slots 6 ports 6 Gbps 0x5 impl SATA mode [ 5.195429] ahci 0000:00:1f.2: flags: 64bit ncq sntf pm led clo pio slum part ems apst [ 5.195436] ahci 0000:00:1f.2: setting latency timer to 64 [ 5.204035] scsi0 : ahci [ 5.204301] scsi1 : ahci [ 5.204447] scsi2 : ahci [ 5.204592] scsi3 : ahci [ 5.204682] scsi4 : ahci [ 5.204799] scsi5 : ahci [ 5.204917] ata1: SATA max UDMA/133 abar m2048@0xf7c06000 port 0xf7c06100 irq 42 [ 5.204920] ata2: DUMMY [ 5.204923] ata3: SATA max UDMA/133 abar m2048@0xf7c06000 port 0xf7c06200 irq 42 [ 5.204924] ata4: DUMMY [ 5.204926] ata5: DUMMY [ 5.204927] ata6: DUMMY [ 5.523039] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 5.525911] ata3.00: ATAPI: TSSTcorp CDDVDW SN-208BB, SC00, max UDMA/100 [ 5.531006] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 5.533703] ata3.00: configured for UDMA/100 [ 5.542790] ata1.00: ATA-8: OCZ-VERTEX3, 2.15, max UDMA/133 [ 5.542800] ata1.00: 117231408 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 5.552751] ata1.00: configured for UDMA/133 [ 5.553050] scsi 0:0:0:0: Direct-Access ATA OCZ-VERTEX3 2.15 PQ: 0 ANSI: 5 [ 5.559621] scsi 2:0:0:0: CD-ROM TSSTcorp CDDVDW SN-208BB SC00 PQ: 0 ANSI: 5 [ 5.564059] sd 0:0:0:0: [sda] 117231408 512-byte logical blocks: (60.0 GB/55.8 GiB) [ 5.564127] sd 0:0:0:0: [sda] Write Protect is off [ 5.564131] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00 [ 5.564158] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 5.564582] sda: sda1 [ 5.564810] sd 0:0:0:0: [sda] Attached SCSI disk [ 5.572006] sr0: scsi3-mmc drive: 16x/24x writer dvd-ram cd/rw xa/form2 cdda tray [ 5.572010] cdrom: Uniform CD-ROM driver Revision: 3.20 [ 5.572189] sr 2:0:0:0: Attached scsi CD-ROM sr0 [ 6.717181] ata1.00: exception Emask 0x50 SAct 0x1 SErr 0x280900 action 0x6 frozen [ 6.717238] ata1.00: irq_stat 0x08000000, interface fatal error [ 6.717291] ata1: SError: { UnrecovData HostInt 10B8B BadCRC } [ 6.717342] ata1.00: failed command: READ FPDMA QUEUED [ 6.717395] ata1.00: cmd 60/50:00:20:39:58/00:00:00:00:00/40 tag 0 ncq 40960 in [ 6.717396] res 40/00:00:20:39:58/00:00:00:00:00/40 Emask 0x50 (ATA bus error) [ 6.717503] ata1.00: status: { DRDY } [ 6.717553] ata1: hard resetting link [ 7.033417] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 7.055234] ata1.00: configured for UDMA/133 [ 7.055262] ata1: EH complete [ 7.147280] ata1.00: exception Emask 0x10 SAct 0xf8 SErr 0x280100 action 0x6 frozen [ 7.147340] ata1.00: irq_stat 0x08000000, interface fatal error [ 7.147393] ata1: SError: { UnrecovData 10B8B BadCRC } [ 7.147460] ata1.00: failed command: READ FPDMA QUEUED [ 7.147529] ata1.00: cmd 60/08:18:88:17:41/00:00:02:00:00/40 tag 3 ncq 4096 in [ 7.147531] res 40/00:38:50:99:64/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.147691] ata1.00: status: { DRDY } [ 7.147754] ata1.00: failed command: READ FPDMA QUEUED [ 7.147821] ata1.00: cmd 60/00:20:f8:42:4c/01:00:02:00:00/40 tag 4 ncq 131072 in [ 7.147822] res 40/00:38:50:99:64/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.147977] ata1.00: status: { DRDY } [ 7.148036] ata1.00: failed command: READ FPDMA QUEUED [ 7.148100] ata1.00: cmd 60/50:28:f8:43:4c/00:00:02:00:00/40 tag 5 ncq 40960 in [ 7.148101] res 40/00:38:50:99:64/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.148255] ata1.00: status: { DRDY } [ 7.148315] ata1.00: failed command: READ FPDMA QUEUED [ 7.148379] ata1.00: cmd 60/00:30:50:98:64/01:00:02:00:00/40 tag 6 ncq 131072 in [ 7.148380] res 40/00:38:50:99:64/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.148534] ata1.00: status: { DRDY } [ 7.148593] ata1.00: failed command: READ FPDMA QUEUED [ 7.148657] ata1.00: cmd 60/00:38:50:99:64/01:00:02:00:00/40 tag 7 ncq 131072 in [ 7.148658] res 40/00:38:50:99:64/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.148813] ata1.00: status: { DRDY } [ 7.148875] ata1: hard resetting link [ 7.464842] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 7.486794] ata1.00: configured for UDMA/133 [ 7.486822] ata1: EH complete [ 7.546395] ata1.00: exception Emask 0x10 SAct 0x2f SErr 0x280100 action 0x6 frozen [ 7.546470] ata1.00: irq_stat 0x08000000, interface fatal error [ 7.546531] ata1: SError: { UnrecovData 10B8B BadCRC } [ 7.546588] ata1.00: failed command: READ FPDMA QUEUED [ 7.546648] ata1.00: cmd 60/00:00:e0:4b:61/01:00:02:00:00/40 tag 0 ncq 131072 in [ 7.546649] res 40/00:28:e0:4c:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.546794] ata1.00: status: { DRDY } [ 7.546847] ata1.00: failed command: READ FPDMA QUEUED [ 7.546906] ata1.00: cmd 60/00:08:90:2f:48/01:00:02:00:00/40 tag 1 ncq 131072 in [ 7.546907] res 40/00:28:e0:4c:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.547053] ata1.00: status: { DRDY } [ 7.547106] ata1.00: failed command: READ FPDMA QUEUED [ 7.547165] ata1.00: cmd 60/00:10:90:30:48/01:00:02:00:00/40 tag 2 ncq 131072 in [ 7.547166] res 40/00:28:e0:4c:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.547310] ata1.00: status: { DRDY } [ 7.547363] ata1.00: failed command: READ FPDMA QUEUED [ 7.547422] ata1.00: cmd 60/00:18:50:c7:64/01:00:02:00:00/40 tag 3 ncq 131072 in [ 7.547423] res 40/00:28:e0:4c:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.547568] ata1.00: status: { DRDY } [ 7.547621] ata1.00: failed command: READ FPDMA QUEUED [ 7.547681] ata1.00: cmd 60/00:28:e0:4c:61/01:00:02:00:00/40 tag 5 ncq 131072 in [ 7.547682] res 40/00:28:e0:4c:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.547825] ata1.00: status: { DRDY } [ 7.547882] ata1: hard resetting link [ 7.864408] ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300) [ 7.886351] ata1.00: configured for UDMA/133 [ 7.886375] ata1: EH complete [ 7.890012] ata1: limiting SATA link speed to 3.0 Gbps [ 7.890016] ata1.00: exception Emask 0x10 SAct 0x7 SErr 0x280100 action 0x6 frozen [ 7.890093] ata1.00: irq_stat 0x08000000, interface fatal error [ 7.890152] ata1: SError: { UnrecovData 10B8B BadCRC } [ 7.890210] ata1.00: failed command: READ FPDMA QUEUED [ 7.890272] ata1.00: cmd 60/00:00:90:33:48/01:00:02:00:00/40 tag 0 ncq 131072 in [ 7.890273] res 40/00:10:e0:4f:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.890418] ata1.00: status: { DRDY } [ 7.890472] ata1.00: failed command: READ FPDMA QUEUED [ 7.890530] ata1.00: cmd 60/00:08:90:34:48/01:00:02:00:00/40 tag 1 ncq 131072 in [ 7.890531] res 40/00:10:e0:4f:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.890672] ata1.00: status: { DRDY } [ 7.890724] ata1.00: failed command: READ FPDMA QUEUED [ 7.890781] ata1.00: cmd 60/78:10:e0:4f:61/00:00:02:00:00/40 tag 2 ncq 61440 in [ 7.890782] res 40/00:10:e0:4f:61/00:00:02:00:00/40 Emask 0x10 (ATA bus error) [ 7.890925] ata1.00: status: { DRDY } [ 7.890981] ata1: hard resetting link [ 8.208021] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 320) [ 8.230100] ata1.00: configured for UDMA/133 [ 8.230124] ata1: EH complete Looks like the SATA interface tries to use 6Gbps link, then fails miserably and Linux fallbacks to 3Gbps. This is somewhat fine for me, as the system boots successfully each time and works under high load (cd linux-3.2.8; make -j16). I've also ran memtest86+ and it did not find any errors. What concerns me more is that Grub sometimes takes a long time to load the images and/or fails to load itself completely. The error is consistent and is probablistic: that is, each time I boot I have a certain chance to fail. Actually, I have a slight suspiction on the cause of the failure. Look at the cabling: What kind of engineer does it this way? Nah. Even 1Gbps Ethernet hardly tolerates cables bent over a small angle, and there you have 6Gbps SATA. How cound I determine and fix the cause of errors and/or switch the link to 3Gbps mode permanently?

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  • Why my Buffalo router keeps on sending rdp, netbios, ftp, http requests?

    - by user192702
    I have the following network setup: Buffalo Router (192.168.100.1) < Watchguard XTM21 (192.168.100.13) < PC For some reason I keep on seeing the following repeating on my XTM21's Traffic Monitor. While I have enabled Port Forwarding, none of the ports reported below were enabled. Can someone let me know why I'm seeing all of these? 2013-10-19 23:37:56 Deny 192.168.100.1 192.168.100.13 ftp/tcp 4013 21 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 282700472 win 5840" Traffic 2013-10-19 23:37:59 Deny 192.168.100.1 192.168.100.13 http/tcp 2459 80 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 296571237 win 5840" Traffic 2013-10-19 23:38:02 Deny 192.168.100.1 192.168.100.13 8000/tcp 3244 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 298709937 win 5840" Traffic 2013-10-19 23:38:05 Deny 192.168.100.1 192.168.100.13 8000/tcp 3244 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 298709937 win 5840" Traffic 2013-10-19 23:38:05 Deny 192.168.100.1 192.168.100.13 rdp/tcp 3896 3389 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 290482691 win 5840" Traffic 2013-10-19 23:38:08 Deny 192.168.100.1 192.168.100.13 netbios-ns/udp 2110 137 0-External Firebox Denied 78 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" Traffic 2013-10-19 23:38:32 Deny 192.168.100.1 192.168.100.13 ftp/tcp 4025 21 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 321868558 win 5840" Traffic 2013-10-19 23:38:35 Deny 192.168.100.1 192.168.100.13 http/tcp 2471 80 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 325918731 win 5840" Traffic 2013-10-19 23:38:38 Deny 192.168.100.1 192.168.100.13 8000/tcp 3256 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 327854525 win 5840" Traffic 2013-10-19 23:38:41 Deny 192.168.100.1 192.168.100.13 8000/tcp 3256 8000 0-External Firebox blocked ports 60 64 (Internal Policy) proc_id="firewall" rc="101" tcp_info="offset 10 S 327854525 win 5840" Traffic 2013-10-19 23:38:41 Deny 192.168.100.1 192.168.100.13 rdp/tcp 3896 3389 0-External Firebox Denied 60 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" tcp_info="offset 10 S 327101423 win 5840" Traffic 2013-10-19 23:38:44 Deny 192.168.100.1 192.168.100.13 netbios-ns/udp 2110 137 0-External Firebox Denied 78 64 (Unhandled External Packet-00) proc_id="firewall" rc="101" Traffic

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