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• Sound Problem due to wrong driver installation

  - by Starx

  First of all, the audio used to play from the speaker but whenever I connected a headphone or speaker in the I, the sound didn't came. So I installed a realtek sound driver to fix this (actually I didn't find any relevant driver for my sound card so I installed it hoping it would show some light) When I rebooted the system, my sound is completely gone and now ubuntu does not detect any sound devices in my system. I clearly installed wrong driver, now I need to remove and go to previous stage and find a correct driver. My laptop is: Dell Studio 1747, uses a speaker Creative Labs Sound X-Fi MB Sound Blaster and the chipset is INTEL PM55. How can I fix this?

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• Replace Broadcom "wl" driver with "b43"

  - by Laszlo Boros

  I'm using Ubuntu 10.04.4 LTS, and in my laptop there is a Broadcom BCM4312 wlan card. lspci output: 04:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01) Subsystem: Broadcom Corporation Device 04b5 Flags: bus master, fast devsel, latency 0, IRQ 18 Memory at f4500000 (64-bit, non-prefetchable) [size=16K] Capabilities: [40] Power Management version 3 Capabilities: [58] Vendor Specific Information Capabilities: [e8] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Capabilities: [d0] Express Endpoint, MSI 00 Capabilities: [100] Advanced Error Reporting Capabilities: [13c] Virtual Channel Capabilities: [160] Device Serial Number 81-ac-1d-ff-ff-12-54-92 Capabilities: [16c] Power Budgeting Kernel driver in use: wl Kernel modules: wl, ssb So as you can see, the current (and default) driver is wl - installed with jockey. But I have another Ubuntu based distribution on my laptop (BackTrack linux), which is also 10.04, but it has the b43 driver installed and the overall performance is MUCH better. So I would like to install it on this OS too, but even google didn't help me. So my question is how to install the latest b43 driver on my Ubuntu?

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• Install HP driver in ubuntu

  - by dotNET

  Hey, I need to install the wifi driver to ubuntu. so I downloaded the driver from hp website but the extension is .rpm, so I need to convert him to .deb so I can install it on ubuntu. The problem is I don't have internet connection on ubuntu to do this : sudo apt-get install alien how can convert the driver on windows for example, or how can I do download alien and place it under my usb to install it after booting on ubuntu. Thanks

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• Using pointers, references, handles to generic datatypes, as generic and flexible as possible

  - by Patrick

  In my application I have lots of different data types, e.g. Car, Bicycle, Person, ... (they're actually other data types, but this is just for the example). Since I also have quite some 'generic' code in my application, and the application was originally written in C, pointers to Car, Bicycle, Person, ... are often passed as void-pointers to these generic modules, together with an identification of the type, like this: Car myCar; ShowNiceDialog ((void *)&myCar, DATATYPE_CAR); The 'ShowNiceDialog' method now uses meta-information (functions that map DATATYPE_CAR to interfaces to get the actual data out of Car) to get information of the car, based on the given data type. That way, the generic logic only has to be written once, and not every time again for every new data type. Of course, in C++ you could make this much easier by using a common root class, like this class RootClass { public: string getName() const = 0; }; class Car : public RootClass { ... }; void ShowNiceDialog (RootClass *root); The problem is that in some cases, we don't want to store the data type in a class, but in a totally different format to save memory. In some cases we have hundreds of millions of instances that we need to manage in the application, and we don't want to make a full class for every instance. Suppose we have a data type with 2 characteristics: A quantity (double, 8 bytes) A boolean (1 byte) Although we only need 9 bytes to store this information, putting it in a class means that we need at least 16 bytes (because of the padding), and with the v-pointer we possibly even need 24 bytes. For hundreds of millions of instances, every byte counts (I have a 64-bit variant of the application and in some cases it needs 6 GB of memory). The void-pointer approach has the advantage that we can almost encode anything in a void-pointer and decide how to use it if we want information from it (use it as a real pointer, as an index, ...), but at the cost of type-safety. Templated solutions don't help since the generic logic forms quite a big part of the application, and we don't want to templatize all this. Additionally, the data model can be extended at run time, which also means that templates won't help. Are there better (and type-safer) ways to handle this than a void-pointer? Any references to frameworks, whitepapers, research material regarding this?

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• How to access generic property without knowing the closed generic type

  - by Martin Booka Weser

  I have a generic Type as follows public class TestGeneric<T> { public T Data { get; set; } public TestGeneric(T data) { this.Data = data; } } If i have now an object (which is coming from some external source) from which i know that it's type is of some closed TestGeneric<, but i don't know the TypeParameter T. Now I need to access the Data of my object. Problem is that i can't cast the object, since i don't know exactly to which closed TestGeneric. I use // thx to http://stackoverflow.com/questions/457676/c-reflection-check-if-a-class-is-derived-from-a-generic-class private static bool IsSubclassOfRawGeneric(Type rawGeneric, Type subclass) { while (subclass != typeof(object)) { var cur = subclass.IsGenericType ? subclass.GetGenericTypeDefinition() : subclass; if (rawGeneric == cur) { return true; } subclass = subclass.BaseType; } return false; } to make sure, my object is of the generic type. The code in question is as follows: public static void Main() { object myObject = new TestGeneric<string>("test"); // or from another source if (IsSubclassOfRawGeneric(typeof(TestGeneric<>), myObject.GetType())) { // the following gives an InvalidCastException // var data = ((TestGeneric<object>)myObject).Data; // if i try to access the property with reflection // i get an InvalidOperationException var dataProperty = typeof(TestGeneric<>).GetProperty("Data"); object data = dataProperty.GetValue(myObject, new object[] { }); } } I need the Data regardless of its type (well, if i could ask for its type using GetType() would be fine, but not necessary) since i just want to dump it in xml using ToString(). Any suggestions? Thanx.

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• Generic C# Class: Set "Generic" Property

  - by BlaM

  I'm quite new to C#, so I might have a problem that C# has a simple solution for. I have a generic class with a property of "generic" type. I want to have a function to set that property, but I need to convert it to do so. public class BIWebServiceResult<T> { public T Data; public delegate StatusCode StringToStatusCode(string Input); public void SetData(string Input, StringToStatusCode StringToError) { if (StringToError(Input) == 0) { if (Data is string[]) { Data = new string[1]; Data[0] = Input; } else if (Data is string) { Data = Input; } else if (Data is bool) { Data = DetectBool(Input); } } } private bool DetectBool(string Compare) { return Compare == "true"; } } The problem with that approach is, that it does not work :) (No that's not all code, just a snippet to show what my problem is) It doesn't even compile, because "Data = new string[]" can't work if Data is - for example - boolean. How do I implement a function that behaves differently depending on the type of my generic property?

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• BSOD Before Windows Will Loads - Graphics Related

  - by Brian

  Alright deep breath here: (Windows 7 Home Premium 64 bit btw) Today I installed Star Craft 2 Beta. After trying to log in, it had some issues where it said my device stopped working (referring to my video device I have to imagine). After I force quit the game there were some random "hot" (various colors if i remember correctly) pixels on the screen. I decided to reboot and try again with similar results. I figured that maybe my display drivers could stand to be updated (I don't frequently update them as I don't often run into problems). I went out to nVidia's website and grabbed the latest drivers for Windows 7 64 bit GeForce 9 series. (I have SLi-ed 9800 GTs). Everything seemed to install fine and I performed the restart. This is when things went from bad (can't play SC2 beta ;) ) to worse (can't boot into windows!). Initially the very first splash screen - I think it's the bios splash screen - had lines of colored pixels covering it. It then displayed a screen that had lots of "(" on it. After that it showed the normal windows 7 splash screen as if it were going to load into Windows. Before getting much further, it BSODed on me. It was a 0x0000003B stop error. At nvlddmkm.sys. A little digging let verified that this was a problem with an nVidia graphics device, not a real shocker. Windows decided it would try to help me diagnose the problem, which it's only answer to was a System Restore, which did nothing to alleviate the problem. I was able to boot up fine in safe mode and was not able to roll back the driver, however I did uninstall the driver and reboot. I still had the graphical anomalies during the first two screens (same colored "."'s and weird "("'s), but there was NOT a stop error. Windows loaded up, found a default driver for the device and installed it and I restarted to let it load - and had yet another BSOD Stop error. Repeat driver uninstall, this time I reloaded the same version (I think it's possible that I was running a 32 bit version or a vista versus windows 7 version, but I don't have that information handy) of the nVidia driver from their website. Restart, same anomalies, same Stop Error. I am at a loss - At this point all I can think is that the firmware for the Video cards got fried or there's actual damage to the cards which I sincerely hope is not the case but the sooner I know the better. Any insight into what I might be able to do to troubleshoot/fix this problem would be most helpful. Attached below is a dump from DxDiag. Please let me know if there is more info that I could provide. ------------------ System Information ------------------ Time of this report: 3/18/2010, 23:22:48 Machine name: BRIAN-PC Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7600) (7600.win7_rtm.090713-1255) Language: English (Regional Setting: English) System Manufacturer: Dell Inc System Model: XPS 630i BIOS: Phoenix - AwardBIOS v6.00PG Processor: Intel(R) Core(TM)2 Quad CPU Q8200 @ 2.33GHz (4 CPUs), ~2.3GHz Memory: 8192MB RAM Available OS Memory: 8190MB RAM Page File: 1855MB used, 14521MB available Windows Dir: C:\Windows DirectX Version: DirectX 11 DX Setup Parameters: Not found User DPI Setting: Using System DPI System DPI Setting: 96 DPI (100 percent) DWM DPI Scaling: Disabled DxDiag Version: 6.01.7600.16385 32bit Unicode DxDiag Previously: Crashed in DirectShow (stage 1). Re-running DxDiag with "dontskip" command line parameter or choosing not to bypass information gathering when prompted might result in DxDiag successfully obtaining this information ------------ DxDiag Notes ------------ Display Tab 1: No problems found. Sound Tab 1: No problems found. Sound Tab 2: No problems found. Sound Tab 3: No problems found. Input Tab: No problems found. -------------------- DirectX Debug Levels -------------------- Direct3D: 0/4 (retail) DirectDraw: 0/4 (retail) DirectInput: 0/5 (retail) DirectMusic: 0/5 (retail) DirectPlay: 0/9 (retail) DirectSound: 0/5 (retail) DirectShow: 0/6 (retail) --------------- Display Devices --------------- Card name: Manufacturer: Chip type: DAC type: Device Key: Enum\ Display Memory: n/a Dedicated Memory: n/a Shared Memory: n/a Current Mode: 1600 x 1200 (32 bit) (1Hz) Driver Name: Driver File Version: () Driver Version: DDI Version: unknown Driver Model: unknown Driver Attributes: Final Retail Driver Date/Size: , 0 bytes WHQL Logo'd: n/a WHQL Date Stamp: n/a Device Identifier: {D7B70EE0-4340-11CF-B123-B03DAEC2CB35} Vendor ID: 0x0000 Device ID: 0x0000 SubSys ID: 0x00000000 Revision ID: 0x0000 Driver Strong Name: Unknown Rank Of Driver: Unknown Video Accel: Deinterlace Caps: n/a D3D9 Overlay: n/a DXVA-HD: n/a DDraw Status: Not Available D3D Status: Not Available AGP Status: Not Available ------------- Sound Devices ------------- Description: Speakers (Realtek High Definition Audio) Default Sound Playback: Yes Default Voice Playback: Yes Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No Description: Realtek Digital Output (Realtek High Definition Audio) Default Sound Playback: No Default Voice Playback: No Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No Description: Realtek HDMI Output (Realtek High Definition Audio) Default Sound Playback: No Default Voice Playback: No Hardware ID: HDAUDIO\FUNC_01&VEN_10EC&DEV_0888&SUBSYS_10280249&REV_1001 Manufacturer ID: 1 Product ID: 100 Type: WDM Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail WHQL Logo'd: n/a Date and Size: 8/18/2008 04:05:28, 1485592 bytes Other Files: Driver Provider: Realtek Semiconductor Corp. HW Accel Level: Basic Cap Flags: 0x0 Min/Max Sample Rate: 0, 0 Static/Strm HW Mix Bufs: 0, 0 Static/Strm HW 3D Bufs: 0, 0 HW Memory: 0 Voice Management: No EAX(tm) 2.0 Listen/Src: No, No I3DL2(tm) Listen/Src: No, No Sensaura(tm) ZoomFX(tm): No --------------------- Sound Capture Devices --------------------- Description: Microphone (Realtek High Definition Audio) Default Sound Capture: Yes Default Voice Capture: Yes Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail Date and Size: 8/18/2008 04:05:28, 1485592 bytes Cap Flags: 0x0 Format Flags: 0x0 Description: Realtek Digital Input (Realtek High Definition Audio) Default Sound Capture: No Default Voice Capture: No Driver Name: RTKVHD64.sys Driver Version: 6.00.0001.5667 (English) Driver Attributes: Final Retail Date and Size: 8/18/2008 04:05:28, 1485592 bytes Cap Flags: 0x0 Format Flags: 0x0 ------------------- DirectInput Devices ------------------- Device Name: Mouse Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Device Name: Keyboard Attached: 1 Controller ID: n/a Vendor/Product ID: n/a FF Driver: n/a Device Name: ESA FW Update Attached: 1 Controller ID: 0x0 Vendor/Product ID: 0x0955, 0x000A FF Driver: n/a Poll w/ Interrupt: No ----------- USB Devices ----------- + USB Root Hub | Vendor/Product ID: 0x10DE, 0x026D | Matching Device ID: usb\root_hub | Service: usbhub | +-+ USB Input Device | | Vendor/Product ID: 0x0955, 0x000A | | Location: Port_#0002.Hub_#0001 | | Matching Device ID: generic_hid_device | | Service: HidUsb | | | +-+ HID-compliant device | | | Vendor/Product ID: 0x0955, 0x000A | | | Matching Device ID: hid_device | | +-+ USB Input Device | | Vendor/Product ID: 0x046D, 0xC01E | | Location: Port_#0003.Hub_#0001 | | Matching Device ID: generic_hid_device | | Service: HidUsb | | | +-+ HID-compliant mouse | | | Vendor/Product ID: 0x046D, 0xC01E | | | Matching Device ID: hid_device_system_mouse | | | Service: mouhid ---------------- Gameport Devices ---------------- ------------ PS/2 Devices ------------ + Standard PS/2 Keyboard | Matching Device ID: *pnp0303 | Service: i8042prt | + Terminal Server Keyboard Driver | Matching Device ID: root\rdp_kbd | Upper Filters: kbdclass | Service: TermDD | + Terminal Server Mouse Driver | Matching Device ID: root\rdp_mou | Upper Filters: mouclass | Service: TermDD ------------------------ Disk & DVD/CD-ROM Drives ------------------------ Drive: C: Free Space: 324.3 GB Total Space: 608.4 GB File System: NTFS Model: WDC WD64 00AAKS-75A7B SCSI Disk Device Drive: D: Free Space: 1.0 GB Total Space: 2.0 GB File System: NTFS Model: WDC WD64 00AAKS-75A7B SCSI Disk Device Drive: E: Model: TSSTcorp DVD+-RW TS-H653F SCSI CdRom Device Driver: c:\windows\system32\drivers\cdrom.sys, 6.01.7600.16385 (English), , 0 bytes -------------- System Devices -------------- Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_03B7&SUBSYS_000010DE&REV_A1\3&2411E6FE&1&18 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AF&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0A Driver: n/a Name: PCI standard host CPU bridge Device ID: PCI\VEN_10DE&DEV_03A3&SUBSYS_02491028&REV_A2\3&2411E6FE&1&00 Driver: n/a Name: NVIDIA nForce Serial ATA Controller Device ID: PCI\VEN_10DE&DEV_0267&SUBSYS_02491028&REV_A1\3&2411E6FE&1&78 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B6&SUBSYS_02491028&REV_A1\3&2411E6FE&1&10 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AE&SUBSYS_02491028&REV_A1\3&2411E6FE&1&09 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_0272&SUBSYS_02491028&REV_A3\3&2411E6FE&1&52 Driver: n/a Name: NVIDIA nForce Serial ATA Controller Device ID: PCI\VEN_10DE&DEV_0266&SUBSYS_02491028&REV_A1\3&2411E6FE&1&70 Driver: n/a Name: LSI 1394 OHCI Compliant Host Controller Device ID: PCI\VEN_11C1&DEV_5811&SUBSYS_02491028&REV_70\4&14591D7E&0&2880 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B5&SUBSYS_02491028&REV_A1\3&2411E6FE&1&06 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AD&SUBSYS_02491028&REV_A1\3&2411E6FE&1&08 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_0270&SUBSYS_02491028&REV_A2\3&2411E6FE&1&48 Driver: n/a Name: Standard Dual Channel PCI IDE Controller Device ID: PCI\VEN_10DE&DEV_0265&SUBSYS_02491028&REV_A1\3&2411E6FE&1&68 Driver: n/a Name: NVIDIA GeForce 9800 GT Device ID: PCI\VEN_10DE&DEV_0605&SUBSYS_062D10DE&REV_A2\4&4BABE2A&0&0028 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B4&SUBSYS_02491028&REV_A1\3&2411E6FE&1&07 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AC&SUBSYS_02491028&REV_A1\3&2411E6FE&1&01 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_026F&SUBSYS_CB8410DE&REV_A2\3&2411E6FE&1&80 Driver: n/a Name: NVIDIA nForce PCI System Management Device ID: PCI\VEN_10DE&DEV_0264&SUBSYS_02491028&REV_A3\3&2411E6FE&1&51 Driver: n/a Name: NVIDIA GeForce 9800 GT Device ID: PCI\VEN_10DE&DEV_0605&SUBSYS_062D10DE&REV_A2\4&10BD3C89&0&0018 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B3&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0E Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AB&SUBSYS_02491028&REV_A1\3&2411E6FE&1&04 Driver: n/a Name: Standard Enhanced PCI to USB Host Controller Device ID: PCI\VEN_10DE&DEV_026E&SUBSYS_02491028&REV_A3\3&2411E6FE&1&59 Driver: n/a Name: PCI standard ISA bridge Device ID: PCI\VEN_10DE&DEV_0260&SUBSYS_02491028&REV_A3\3&2411E6FE&1&50 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03BC&SUBSYS_02491028&REV_A1\3&2411E6FE&1&11 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B2&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0D Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03AA&SUBSYS_02491028&REV_A1\3&2411E6FE&1&02 Driver: n/a Name: Standard OpenHCD USB Host Controller Device ID: PCI\VEN_10DE&DEV_026D&SUBSYS_02491028&REV_A3\3&2411E6FE&1&58 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03BA&SUBSYS_02491028&REV_A1\3&2411E6FE&1&12 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B1&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0C Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03A9&SUBSYS_02491028&REV_A1\3&2411E6FE&1&03 Driver: n/a Name: High Definition Audio Controller Device ID: PCI\VEN_10DE&DEV_026C&SUBSYS_02491028&REV_A2\3&2411E6FE&1&81 Driver: n/a Name: PCI standard PCI-to-PCI bridge Device ID: PCI\VEN_10DE&DEV_03B8&SUBSYS_000010DE&REV_A1\3&2411E6FE&1&28 Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03B0&SUBSYS_02491028&REV_A1\3&2411E6FE&1&0B Driver: n/a Name: PCI standard RAM Controller Device ID: PCI\VEN_10DE&DEV_03A8&SUBSYS_02491028&REV_A2\3&2411E6FE&1&05 Driver: n/a Name: NVIDIA nForce Networking Controller Device ID: PCI\VEN_10DE&DEV_0269&SUBSYS_02491028&REV_A3\3&2411E6FE&1&A0 Driver: n/a --------------- EVR Power Information --------------- Current Setting: {5C67A112-A4C9-483F-B4A7-1D473BECAFDC} (Quality) Quality Flags: 2576 Enabled: Force throttling Allow half deinterlace Allow scaling Decode Power Usage: 100 Balanced Flags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 50 PowerFlags: 1424 Enabled: Force throttling Allow batching Force half deinterlace Force scaling Decode Power Usage: 0

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• Updated Intel display driver causing errors when booting

  - by cdysthe

  I upgraded to to Graphics Installer 1.0.6 on my Ubuntu 14.04 and installed the drivers using the Intel Graphics Installer. The laptop is Intel Ivybridge powered with Intel HD graphics. It Optimus but I have disabled the Nvidia card in bios. The Intel Graphics Installer installs the package i915-3.15-3.13-dkms.deb which I assume is the updated driver. It causes a bunch of error messages when I boot. Here are the relevant errors from dmesg when I boot: [ 7.206151] drm: module verification failed: signature and/or required key missing - tainting kernel [ 7.208045] drm: module has bad taint, not creating trace events [ 7.336470] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver [ 7.393854] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013) [ 7.393855] [drm] Driver supports precise vblank timestamp query. [ 7.393921] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 7.505798] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit banging on pin 5 [ 7.507233] init: Failed to obtain startpar-bridge instance: Unknown parameter: INSTANCE [ 7.944183] [drm:cpt_serr_int_handler] ERROR PCH transcoder A FIFO underrun [ 8.368479] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 8.368480] i915 0000:00:02.0: registered panic notifier [ 8.818416] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off What could the problem be and will it affect performance? I tried to remove the package and the errors went away but I'm then running and older driver I assume?

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• ATI Radeon HD 6870 Driver fails to install default-policy.sh does not support version

  - by Rogue Coder

  I'm running Ubuntu 11.04 Beta, with everything updated completely. I'm using Ubuntu Classic, because Unity fails to run, supposedly because of my video card. The drivers for the Radeon HD 6870 series is apparently lacking, but I found a post stating the newest version has full support for Ubuntu Natty Narwhal. That post is slightly old, so i grabbed 11.3 for Ubuntu x86 off the ATI website. When I run the installation program, I receive the following error: > ./ati-driver-installer-11-3-x86.x86_64.run Created directory fglrx-install.uREFoO Verifying archive integrity... All good. Uncompressing ATI Catalyst(TM) Proprietary Driver-8.831.2......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... ===================================================================== ATI Technologies Catalyst(TM) Proprietary Driver Installer/Packager ===================================================================== Error: ./default_policy.sh does not support version default:v2:i686:lib::none:2.6.38-8-generic-pae:; make sure that the version is being correctly set by --iscurrentdistro ===================================================================== ATI Technologies Catalyst(TM) Proprietary Driver Installer/Packager ===================================================================== Error: ./default_policy.sh does not support version default:v2:i686:lib::none:2.6.38-8-generic-pae:; make sure that the version is being correctly set by --iscurrentdistro Removing temporary directory: fglrx-install.uREFoO > I would love to get the latest ATI drivers working so that I can try out Unity!

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• Problem with sound driver

  - by JiminP

  I had problem that sound had lag in Flash. (Other than that, there was no problem.) On the internet, I found that installing OSS4 might help me. So I installed OSS4, but there was some problems (no sound on Flash, and couldn't use function key on the laptop - which is quite annoying), so I try to remove OSS4 and re-installing sound modules. After some mess-up, the whole sound was gone. I used Ubuntu for a year, but I don't know how to use the terminal well (All I know is basic commands like sudo, ls, or apt-get).. Now I'm trying to recover by following instructions at this page, but I have some problems... :( When I try to follow instructions: sudo aplay -l finds no sound drivers. find /lib/modules/'uname -r' | grep snd (backtick changed to ' due to code markup) returns nothing. When I try to do sudo apt-get install linux-restricted-modules-'uname -r' linux-generic, it says that it can't find linux-restricted-modules-3.0.0-13-generic package. lspci -v | grep -A7 -i "audio" returns this, which doesn't contain anything about the name of the driver. Writing sudo modprobe sn and pressing tab twice only returns sudo modprobe sn9c102. sudo aptitude --purge reinstall linux-sound-base alsa-base alsa-utils linux-image-'uname -r' linux-ubuntu-modules-'uname -r' libasound2 returns this, and didn't change non of above. sudo apt-get install linux-alsa-driver-modules-$(uname -r) fails because it can't find the package linux-alsa-driver-modules-3.0.0-13-generic. Compiling ALSA driver doesn't work. When I try to make, it says that /lib/modules/3.0.0-13-generic/build/include/linux/modversions.h doesn't exist. I'm using Ubuntu 11.10. Can anyone help me? I can re-install Ubuntu, but I don't want to....

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• Trying to install Canon LBP7750Cdn driver on Ubuntu 12.04

  - by Gideon

  I'n new to Ubuntu/Linux and had significant difficulties while attempting to configure my printer to work. The automatic driver pairing wizard which Ubuntu uses to identify and install the appropriate drivers did not find my printer's driver. I managed to get it to print when I manually select the generic configuration and checked the PCL6 configuration. However, the printer driver wizard does provide a list of Canon printers and actually do specify my printer as LBP7750C (minus the "dn" at the end, I'm assuming its because duplex ability and networking is not present on all the models - I'm not sure if this could be the source of the problem), but in selecting this option and trying to print I receive this message: Idle - /usr/lib/cups/filter/foomatic-rip failed I searched for this similar problem which other users might have encountered, but while there where plenty of such cases, they all had different resolutions and were all related to HP printers. Canon actually do provide a driver for my printer, but it comes with no installation instructions unless you consider yourself an experienced CUPS guru. Seriously. If anyone can help me solve this foomatic-rip failed problem I'd be really grateful - and I'm sure many other folks too. [BTW, can't Canonical fix this type of thing for the next Ubuntu release? - I't seems like a small problem but it causes many problems and countles hours of production time loss.] Thanks in advance.

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• nvidia driver problems after upgrading to 3.2.0-26 on Ubuntu 12.04 64bit

  - by Lev Levitsky

  After installing latest updates I can't set screen resolution higher than 1024x768; every time after the boot I get a message Could not apply the stored configuration for the monitors (Note: removing ~/.config/monitors.xml stopped the message, but not the problem) I can boot with 3.2.0-25 and the graphics look normal. Here's what I have in /var/log/apt/term.log (excerpt): Setting up linux-image-3.2.0-26-generic (3.2.0-26.41) ... Running depmod. update-initramfs: deferring update (hook will be called later) Examining /etc/kernel/postinst.d. run-parts: executing /etc/kernel/postinst.d/dkms 3.2.0-26-generic /boot/vmlinuz-3.2.0-26-generic Error! Problems with depmod detected. Automatically uninstalling this module. DKMS: Install Failed (depmod problems). Module rolled back to built state. run-parts: executing /etc/kernel/postinst.d/initramfs-tools 3.2.0-26-generic /boot/vmlinuz-3.2.0-26-generic update-initramfs: Generating /boot/initrd.img-3.2.0-26-generic run-parts: executing /etc/kernel/postinst.d/pm-utils 3.2.0-26-generic /boot/vmlinuz-3.2.0-26-generic run-parts: executing /etc/kernel/postinst.d/update-notifier 3.2.0-26-generic /boot/vmlinuz-3.2.0-26-generic run-parts: executing /etc/kernel/postinst.d/zz-update-grub 3.2.0-26-generic /boot/vmlinuz-3.2.0-26-generic Generating grub.cfg ... Found linux image: /boot/vmlinuz-3.2.0-26-generic Found initrd image: /boot/initrd.img-3.2.0-26-generic Found linux image: /boot/vmlinuz-3.2.0-25-generic Found initrd image: /boot/initrd.img-3.2.0-25-generic Found linux image: /boot/vmlinuz-3.2.0-24-generic Found initrd image: /boot/initrd.img-3.2.0-24-generic Found linux image: /boot/vmlinuz-3.2.0-23-generic Found initrd image: /boot/initrd.img-3.2.0-23-generic Found linux image: /boot/vmlinuz-3.0.0-17-generic Found initrd image: /boot/initrd.img-3.0.0-17-generic Found memtest86+ image: /boot/memtest86+.bin I went to "additional drivers" and saw some updates available there, but an attempt to install them failed, leaving the following in /var/log/jockey.log (long log, pasted here). The full log won't fit in the question, so I'm showing $ fgrep 'ERROR' /var/log/jockey.log 2012-06-30 17:29:57,897 WARNING: modinfo for module vmxnet failed: ERROR: modinfo: could not find module vmxnet 2012-06-30 17:29:57,937 WARNING: modinfo for module wl failed: ERROR: modinfo: could not find module wl 2012-06-30 17:29:58,072 WARNING: modinfo for module nvidia_96 failed: ERROR: modinfo: could not find module nvidia_96 2012-06-30 17:29:58,240 WARNING: modinfo for module nvidia_current failed: ERROR: modinfo: could not find module nvidia_current 2012-06-30 17:29:58,293 WARNING: modinfo for module nvidia_current_updates failed: ERROR: modinfo: could not find module nvidia_current_updates 2012-06-30 17:29:58,351 WARNING: modinfo for module nvidia_173_updates failed: ERROR: modinfo: could not find module nvidia_173_updates 2012-06-30 17:29:58,385 WARNING: modinfo for module nvidia_173 failed: ERROR: modinfo: could not find module nvidia_173 2012-06-30 17:29:58,420 WARNING: modinfo for module nvidia_96_updates failed: ERROR: modinfo: could not find module nvidia_96_updates 2012-06-30 17:29:58,455 WARNING: modinfo for module ath_pci failed: ERROR: modinfo: could not find module ath_pci 2012-06-30 17:29:58,478 WARNING: modinfo for module fglrx_updates failed: ERROR: modinfo: could not find module fglrx_updates 2012-06-30 17:29:58,531 WARNING: modinfo for module fglrx failed: ERROR: modinfo: could not find module fglrx 2012-06-30 17:29:58,588 WARNING: modinfo for module omapdrm_pvr failed: ERROR: modinfo: could not find module omapdrm_pvr 2012-06-30 17:29:59,537 WARNING: modinfo for module nvidia_current failed: ERROR: modinfo: could not find module nvidia_current 2012-06-30 17:29:59,613 WARNING: modinfo for module nvidia_173_updates failed: ERROR: modinfo: could not find module nvidia_173_updates 2012-06-30 17:29:59,686 WARNING: modinfo for module nvidia_173 failed: ERROR: modinfo: could not find module nvidia_173 2012-06-30 17:29:59,764 WARNING: modinfo for module nvidia_current_updates failed: ERROR: modinfo: could not find module nvidia_current_updates 2012-06-30 17:30:29,544 WARNING: modinfo for module nvidia_current_updates failed: ERROR: modinfo: could not find module nvidia_current_updates 2012-06-30 17:30:29,545 ERROR: XorgDriverHandler.enable(): package or module not installed, aborting I'm not sure if it's a bug, as the first log shows some errors. What can I try?

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• Generic Http Module

  - by MartinF

  The problem I am trying to make a generic http module in asp.net C# for handling roles defined by an enum which i want to be able to change by a generic parameter. This will make it possible to use the generic module with any kind of enum defined for each project. The module hooks into the Authenticate event of the FormsAuthenticationModule, and is called on each request to the website. The module exposes public events which could be defined in the global.asax. But i cant seem to figure out how to make the generic http module work like a non generic module. There is 3 main problems. I cant register the generic http module in the web.config like any other module as i cant specify the generic parameter, or is possible somehow ? The way to solve that as far as i can figure out is to create a non-generic http module that intializes the generic HttpModule (the generic parameter is defined in a custom section for the module in the web.config). But that introduces the next problem. I cant find out how to make the public events exposed by the generic module available to hook into through the global.asax as you would normally do with a non-generic module by just making a public method with the name like ModuleClassName_PublicEventName. The init() method on the http module gets an reference to the HttpApplication object created in the global.asax. I dont know if it somehow could be possible with reflection to search for the methods and if they are defined in the global.asax (HttpApplication super class) hook them up with the correct event handler ? or if any methods on the HttpApplication object can be used? How would i store and later get a reference to the generic module created in the non-generic module ? I can get the non-generic module with HttpContext.Current.ApplicationInstance.Modules.Get("TheModule"); but is there any way i can store a reference to the generic module in the non-generic module (cant figure out how it should be possible), or store it somewhere else so i can always get it? If I can get a reference to the generic module from the global.asax etc. the events mentioned in nr. 2 can be manually wired to the methods. Thoughts and other possible solutions Instead of registering the module in the web.config it can be manually initialized by overridding the Init method of the HttpApplication and calling the Init method on the module. But that will introduce some new problems. The module will no longer be added to the the ModulesCollection. So I will need to store a reference somewhere else. This could be done with a property in the global.asax, and by implementing an interface, or by creating an generic abstract base type inheriting from HttpApplication, that the global.asax could inherit from. In the generic abstract base type i could also override the init method. It will still not automatically hook up methods in the global.asax with events in the generic module. If it is possible with reflection to search for defined methods in the super type of the HttpApplication it could be automatically done that way. But i can wire the methods in the global.asax with the events in the generic module manually either in the Init method or anywhere else by getting reference to the generic module. It doesnst really need to implement the IHttpModule interface if i choose to manually initalize the generic module. I could just aswell move all the code to the abstract base type inheriting from the HttpApplication. I would prefer to register the module simply by defining it in the web.config as it will be the easiest and most natural / logical solution. Also it would be great if it could be kept as a HttpModule instead of having to define a an abstract base type inheriting from HttpApplication, else it will be more thighed up and not as loose and plugable as i wanted it to be (but maybe it is not possible). Another alternative would be to make it all static. As far as i can figure out i would have to somehow make sure that only one method can be added to the public static events, so it wont add a reference each time a new instance of the global.asax is created. I simply cant find out what is the best solution. I have been messing around with this and thinking about it for days now. Maybe there is an option that i havent thought of ? Hope anyone out there can help me.

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• Install wireless driver for an HP ProBook 4525s

  - by dotNET

  Hey, I need to install the wifi driver to ubuntu. so I downloaded the driver from hp website but the extension is .rpm, so I need to convert him to .deb so I can install it on ubuntu. The problem is I don't have internet connection on ubuntu to do this : sudo apt-get install alien how can convert the driver on windows for example, or how can I do download alien and place it under my usb to install it after booting on ubuntu. Thanks UPDATE: It's an HP ProBook 4525s with this two drivers : Pilote LAN sans fil Ralink Pilote LAN sans fil Broadcom http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=4173724&lang=en&cc=fr&prodTypeId=321957&prodSeriesId=4173615&taskId=135

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• vmware player xorg driver broke after ubuntu 12.04 LTS automatic system update on 06/07/2014

  - by user291828

  I am running Ubuntu 12.04 LTS as a virtual machine on a Windows 7 host using vmware player 6.0.2. On Sat. 06/07/2014, Ubuntu performed an automatic system update as it does regularly, however after reboot, the display driver seems to be broken which causes the screen to split into many identical panels. This pretty much rendered the VM unusable. Below is the log entry for that update from /var/log/apt/history.log It appears that at least one of these updates have caused this problem. The exact same problem has been reported on the vmware forum as well, see https://communities.vmware.com/message/2388776#2388776 So far I have not been able so find a solution. Content in /var/log/apt/history.log Start-Date: 2014-06-07 15:04:46 Commandline: aptdaemon role='role-commit-packages' sender=':1.65' Install: linux-headers-3.2.0-64:amd64 (3.2.0-64.97), linux-image-3.2.0-64-generic:amd64 (3.2.0-64.97), linux-headers-3.2.0-64-generic:amd64 (3.2.0-64.97) Upgrade: iproute:amd64 (20111117-1ubuntu2.1, 20111117-1ubuntu2.3), libknewstuff3-4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdeclarative5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libnepomukquery4a:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libgnutls-openssl27:amd64 (2.12.14-5ubuntu3.7, 2.12.14-5ubuntu3.8), libthreadweaver4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdecore5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libnepomukutils4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libktexteditor4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), linux-generic:amd64 (3.2.0.63.75, 3.2.0.64.76), libkmediaplayer4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkrosscore4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libgnutls26:amd64 (2.12.14-5ubuntu3.7, 2.12.14-5ubuntu3.8), libgnutls26:i386 (2.12.14-5ubuntu3.7, 2.12.14-5ubuntu3.8), libsolid4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libnepomuk4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdnssd4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkparts4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), kdoctools:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libssl-dev:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), libssl-doc:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), libkidletime4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), linux-headers-generic:amd64 (3.2.0.63.75, 3.2.0.64.76), linux-image-generic:amd64 (3.2.0.63.75, 3.2.0.64.76), libkcmutils4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkfile4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkpty4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkntlm4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libplasma3:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkemoticons4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), kdelibs-bin:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdewebkit5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkjsembed4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkio5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkjsapi4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), openssl:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), kdelibs5-data:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), linux-libc-dev:amd64 (3.2.0-63.95, 3.2.0-64.97), libkde3support4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libknotifyconfig4:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), kdelibs5-plugins:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkhtml5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdeui5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libkdesu5:amd64 (4.8.5-0ubuntu0.2, 4.8.5-0ubuntu0.3), libssl1.0.0:amd64 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14), libssl1.0.0:i386 (1.0.1-4ubuntu5.13, 1.0.1-4ubuntu5.14) End-Date: 2014-06-07 15:09:08

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• Is there something like List<String, Int32, Int32> (multidimensional generic list)

  - by Alex

  I need something similar to List<String, Int32, Int32>. List only supports one type at a time, and Dictionary only two at a time. Is there a clean way to do something like the above (a multidimensional generic list/collection)?

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• Wifi speed with driver rtl8187 drops

  - by Peter

  I am using lucid lynx with this USB adapter and drivers rtl8187. When I start a download, it starts at 1500kpbs (if i use "iwconfig wlan0 rate [more than 11MB]" it starts at a lower speed), it transfers a few kbs but then the speed starts to drop constantly and nothing is being transferred. I've also tried the driver r8187, but I have the same speed problem only that with this driver the download starts at only 10kbps, and drops from there. What can I try to identify the cause and fix this problem?

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• Driver for the Intel GMA X4500HD

  - by broiyan

  I have a Dell Vostro 220s with the built-in Intel GMA X4500HD graphics adapter. I am using Maverick (10.10). My Philips 190CW 1440 x 900 pixel monitor is connected via the analog path. After a fresh installation of Maverick, this works on various resolutions but 1440 x 900 is not one of the available options. I may need a hardware specific driver. Does a GMA X4500HD driver exist that will work on Maverick?

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• ATI RS690m X1200 proprietary driver installation

  - by fan-dz

  I've installed Ubuntu 11.10 on my emachine e625 AMD64 (TF-20) with an ATI RS690m X1200 graphics card but I didn't have 3D acceleration. The open-source driver works, except for any video effects or acceleration… I've downloaded the driver from ATI and followed the installation instructions and here is the result: Error: ./default_policy.sh does not support version default:v2:x86_64:lib32::none:3.0.0-17-generic; make sure that the version is being correctly set by --iscurrentdistro What did I do wrong?

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• Why isn't this driver install working (sudo code)?

  - by Nick

  I have a soundcard that I'd like to use and I've been trying to install it and being a new Ubuntu user, I get about half way through this in the Terminal and it stops cooperating with me... See the link (soundcard hyperlink) but basically what I have here: I do the following and it works: sudo apt-get install subversion svn co https://line6linux.svn.sourceforge.net/svnroot/line6linux Change to the directory cd line6linux/driver/trunk Time to build from the source but first make sure you have the latest build and headers sudo apt-get install build-essential sudo apt-get install linux-headers Then after this point it says must specify file to install. Not sure how to do this or what it means. Then, running make gives the following output: ./set_revision.sh ./set_revision.sh: 9: test: https://line6linux.svn.sourceforge.net/svnroot/line6linux/driver/trunk: unexpected operator make -C /lib/modules/3.2.0-29-generic-pae/build CONFIG_LINE6_USB=m SUBDIRS=/home/nick/line6linux/driver/trunk modules make[1]: Entering directory /usr/src/linux-headers-3.2.0-29-generic-pae' CC [M] /home/nick/line6linux/driver/trunk/audio.o /home/nick/line6linux/driver/trunk/audio.c: In function ‘line6_init_audio’: /home/nick/line6linux/driver/trunk/audio.c:30:57: error: ‘THIS_MODULE’ undeclared (first use in this function) /home/nick/line6linux/driver/trunk/audio.c:30:57: note: each undeclared identifier is reported only once for each function it appears in make[2]: * [/home/nick/line6linux/driver/trunk/audio.o] Error 1 make[1]: * [module/home/nick/line6linux/driver/trunk] Error 2 make[1]: Leaving directory/usr/src/linux-headers-3.2.0-29-generic-pae' make: * [default] Error 2 This is in Ubuntu 12.04.1 LTS Another thing, semi related. Cut, copy, paste? Seems like it's different from program to program. I was in the terminal and hit Ctrl-C and then Ctrl-Shift-V in Firefox and it won't paste. But in terminal it will paste. I'm confused. Here is what it's giving me after I hit "Make": nick@NickUbuntu:~/line6linux/driver/trunk$ make ./set_revision.sh ./set_revision.sh: 9: test: https://line6linux.svn.sourceforge.net/svnroot/line6linux/driver/trunk: unexpected operator make -C /lib/modules/3.2.0-29-generic-pae/build CONFIG_LINE6_USB=m SUBDIRS=/home/nick/line6linux/driver/trunk modules make[1]: Entering directory /usr/src/linux-headers-3.2.0-29-generic-pae' CC [M] /home/nick/line6linux/driver/trunk/audio.o /home/nick/line6linux/driver/trunk/audio.c: In function ‘line6_init_audio’: /home/nick/line6linux/driver/trunk/audio.c:30:57: error: ‘THIS_MODULE’ undeclared (first use in this function) /home/nick/line6linux/driver/trunk/audio.c:30:57: note: each undeclared identifier is reported only once for each function it appears in make[2]: *** [/home/nick/line6linux/driver/trunk/audio.o] Error 1 make[1]: *** [_module_/home/nick/line6linux/driver/trunk] Error 2 make[1]: Leaving directory/usr/src/linux-headers-3.2.0-29-generic-pae' make: * [default] Error 2 Looks like these folks also had similar problems: http://ubuntuforums.org/showthread.php?t=1163608&page=3

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• Generic Repository with SQLite and SQL Compact Databases

  - by Andrew Petersen

  I am creating a project that has a mobile app (Xamarin.Android) using a SQLite database and a WPF application (Code First Entity Framework 5) using a SQL Compact database. This project will even eventually have a SQL Server database as well. Because of this I am trying to create a generic repository, so that I can pass in the correct context depending on which application is making the request. The issue I ran into is my DataContext for the SQL Compact database inherits from DbContext and the SQLite database inherits from SQLiteConnection. What is the best way to make this generic, so that it doesn't matter what kind of database is on the back end? This is what I have tried so far on the SQL Compact side: public interface IRepository<TEntity> { TEntity Add(TEntity entity); } public class Repository<TEntity, TContext> : IRepository<TEntity>, IDisposable where TEntity : class where TContext : DbContext { private readonly TContext _context; public Repository(DbContext dbContext) { _context = dbContext as TContext; } public virtual TEntity Add(TEntity entity) { return _context.Set<TEntity>().Add(entity); } } And on the SQLite side: public class ElverDatabase : SQLiteConnection { static readonly object Locker = new object(); public ElverDatabase(string path) : base(path) { CreateTable<Ticket>(); } public int Add<T>(T item) where T : IBusinessEntity { lock (Locker) { return Insert(item); } } }

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• Writing generic code when your target is a C compiler

  - by enobayram

  I need to write some algorithms for a PIC micro controller. AFAIK, the official tools support either assembler or a subset of C. My goal is to write the algorithms in a generic and reusable way without losing any runtime or memory performance. And if possible, I would like to do this without increasing the development time much and compromising the readability and maintainability much either. What I mean by generic and reusable is that I don't want to commit to types, array sizes, number of bits in a bit field etc. All these specifications, IMHO, point to C++ templates, but there's no compiler for it for my target. C macro metaprogramming is another option, but, again my opinion, that greatly reduces readability and increases development time. I believe what I'm looking for is a decent C++ to C translator, but I'd like to hear anything else that satisfies the above requirements. Maybe a translator from another high-level language to C that produces very efficient code, maybe something else. Please note that I have nothing against C, I just wish templates were available in it.

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• Restart problem after installing graphical card driver

  - by Tim

  My laptop is Lenovo T400, running Ubuntu 10.10. My problem: I just run jockey-gtk and installed ATI/AMD proprietary FGLRX graphics driver. But after reboot, there is a short period of graphical "Ubuntu" and then instead of starting X-window it completely changed to command line to ask me to login. Even after login and then issuing xinit, it still failed to start X. To solve this problem: I followed this post, where one person suggested to you can simply write sudo apt-get remove fglrx This worked for me. If it doesn't work, then try sudo apt-get remove xorg-driver-fglrx and restart. I actually don't need the driver anyway, so I issued the first command after login under command line. But after reboot, the situation is even worse, and there is now even no command-line interface to ask me login, instead the screen is completely blank with just some ambient light in the background and Ubuntu is hanging there probably forever. So I have no chance to try the second command the person suggested. I was wondering what I can do now to solve my problem? Thanks and regards!

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• Radeon 9200 Driver?

  - by usuhh86

  I've been using Linux for a while, but haven't really done more than installed programs. I have Ubuntu 12.04 with an ATI Radeon 9200 graphics card. Ubuntu didn't recognize it during the install. All I want is a driver. Preferably the proprietary driver, but I'll settle for an open-source one if I need to. I went to the AMD support website, and whenever I click on the download link for "ATI Proprietary Linux x86 Display Driver 8.28.8" I get redirected to the main AMD website. I tried this on Firefox, Chrome, even booted up my netbook and tried it on IE9. Does anybody have a download link? And if not, a link to download an open-source alternative? Any help will be greatly appreciated. I'm pretty much still a newbie at this. OpenGL vendor string: Tungsten Graphics, Inc. OpenGL renderer string: Mesa DRI R200 (RV280 5961) x86/MMX/SSE2 TCL DRI2 OpenGL version string: 1.3 Mesa 8.0.2 Not software rendered: yes Not blacklisted: yes GLX fbconfig: yes GLX texture from pixmap: yes GL npot or rect textures: yes GL vertex program: yes GL fragment program: no GL vertex buffer object: yes GL framebuffer object: yes GL version is 1.4+: no Unity 3D supported: no

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• OS X 10.9 Mavericks Kernel Panics out of the box

  - by Kevin

  OS X Kernel panics after a fresh install of OS X 10.9 on a 17" Macbook Pro. Anonymous UUID: D002464D-24B7-C2B5-3D83-1C0B02873B29 Wed Oct 30 11:08:17 2013 panic(cpu 1 caller 0xffffff8006edc19e): Kernel trap at 0xffffff7f88e0a96c, type 14=page fault, registers: CR0: 0x000000008001003b, CR2: 0xffffef7f88e309b8, CR3: 0x0000000009c2d000, CR4: 0x0000000000000660 RAX: 0x0fffffd0c7b30000, RBX: 0xffffef7f88e309b0, RCX: 0x0000000000000001, RDX: 0x000002f384d06471 RSP: 0xffffff80eff03d80, RBP: 0xffffff80eff03e70, RSI: 0x0000031384cfb168, RDI: 0xffffff80e8f05148 R8: 0xffffff801b0f8670, R9: 0x0000000000000005, R10: 0x0000000000004a24, R11: 0x0000000000000202 R12: 0xffffff801938b800, R13: 0x0000000000000005, R14: 0xffffff80e8f05148, R15: 0xffffff7f88e2ee20 RFL: 0x0000000000010006, RIP: 0xffffff7f88e0a96c, CS: 0x0000000000000008, SS: 0x0000000000000010 Fault CR2: 0xffffef7f88e309b8, Error code: 0x0000000000000002, Fault CPU: 0x1 Backtrace (CPU 1), Frame : Return Address 0xffffff80eff03a10 : 0xffffff8006e22f69 0xffffff80eff03a90 : 0xffffff8006edc19e 0xffffff80eff03c60 : 0xffffff8006ef3606 0xffffff80eff03c80 : 0xffffff7f88e0a96c 0xffffff80eff03e70 : 0xffffff7f88e09b89 0xffffff80eff03f30 : 0xffffff8006edda5c 0xffffff80eff03f50 : 0xffffff8006e3757a 0xffffff80eff03f90 : 0xffffff8006e378c8 0xffffff80eff03fb0 : 0xffffff8006ed6aa7 Kernel Extensions in backtrace: com.apple.driver.AppleIntelCPUPowerManagement(216.0)[A6EE4D7B-228E-3A3C-95BA-10ED6F331236]@0xffffff7f88e07000->0xffffff7f88e31fff BSD process name corresponding to current thread: kernel_task Mac OS version: 13A603 Kernel version: Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64 Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393 Kernel slide: 0x0000000006c00000 Kernel text base: 0xffffff8006e00000 System model name: MacBookPro5,2 (Mac-F2268EC8) System uptime in nanoseconds: 4634353513870 last loaded kext at 39203945245: com.viscosityvpn.Viscosity.tun 1.0 (addr 0xffffff7f89200000, size 32768) last unloaded kext at 147930318702: com.apple.driver.AppleFileSystemDriver 3.0.1 (addr 0xffffff7f89110000, size 8192) loaded kexts: com.viscosityvpn.Viscosity.tun 1.0 com.viscosityvpn.Viscosity.tap 1.0 com.apple.driver.AudioAUUC 1.60 com.apple.driver.AppleHWSensor 1.9.5d0 com.apple.filesystems.autofs 3.0 com.apple.iokit.IOBluetoothSerialManager 4.2.0f6 com.apple.driver.AGPM 100.14.11 com.apple.driver.AppleMikeyHIDDriver 124 com.apple.driver.AppleHDA 2.5.2fc2 com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.2.0f6 com.apple.GeForceTesla 8.1.8 com.apple.driver.AppleMikeyDriver 2.5.2fc2 com.apple.iokit.IOUserEthernet 1.0.0d1 com.apple.driver.AppleUpstreamUserClient 3.5.13 com.apple.driver.AppleMuxControl 3.4.12 com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0 com.apple.driver.AppleSMCLMU 2.0.4d1 com.apple.Dont_Steal_Mac_OS_X 7.0.0 com.apple.driver.AppleHWAccess 1 com.apple.driver.AppleMCCSControl 1.1.12 com.apple.driver.AppleLPC 1.7.0 com.apple.driver.SMCMotionSensor 3.0.4d1 com.apple.driver.AppleUSBTCButtons 240.2 com.apple.driver.AppleUSBTCKeyboard 240.2 com.apple.driver.AppleIRController 325.7 com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1 com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1 com.apple.BootCache 35 com.apple.iokit.SCSITaskUserClient 3.6.0 com.apple.driver.XsanFilter 404 com.apple.iokit.IOAHCIBlockStorage 2.4.0 com.apple.driver.AppleUSBHub 650.4.4 com.apple.driver.AppleUSBEHCI 650.4.1 com.apple.driver.AppleFWOHCI 4.9.9 com.apple.driver.AirPort.Brcm4331 700.20.22 com.apple.driver.AppleAHCIPort 2.9.5 com.apple.nvenet 2.0.21 com.apple.driver.AppleUSBOHCI 650.4.1 com.apple.driver.AppleSmartBatteryManager 161.0.0 com.apple.driver.AppleRTC 2.0 com.apple.driver.AppleHPET 1.8 com.apple.driver.AppleACPIButtons 2.0 com.apple.driver.AppleSMBIOS 2.0 com.apple.driver.AppleACPIEC 2.0 com.apple.driver.AppleAPIC 1.7 com.apple.driver.AppleIntelCPUPowerManagementClient 216.0.0 com.apple.nke.applicationfirewall 153 com.apple.security.quarantine 3 com.apple.driver.AppleIntelCPUPowerManagement 216.0.0 com.apple.kext.triggers 1.0 com.apple.iokit.IOSerialFamily 10.0.7 com.apple.AppleGraphicsDeviceControl 3.4.12 com.apple.driver.DspFuncLib 2.5.2fc2 com.apple.vecLib.kext 1.0.0 com.apple.iokit.IOAudioFamily 1.9.4fc11 com.apple.kext.OSvKernDSPLib 1.14 com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.2.0f6 com.apple.iokit.IOSurface 91 com.apple.iokit.IOBluetoothFamily 4.2.0f6 com.apple.nvidia.classic.NVDANV50HalTesla 8.1.8 com.apple.driver.AppleSMBusPCI 1.0.12d1 com.apple.driver.AppleGraphicsControl 3.4.12 com.apple.driver.IOPlatformPluginLegacy 1.0.0 com.apple.driver.AppleBacklightExpert 1.0.4 com.apple.iokit.IOFireWireIP 2.2.5 com.apple.driver.AppleHDAController 2.5.2fc2 com.apple.iokit.IOHDAFamily 2.5.2fc2 com.apple.driver.AppleSMBusController 1.0.11d1 com.apple.nvidia.classic.NVDAResmanTesla 8.1.8 com.apple.driver.IOPlatformPluginFamily 5.5.1d27 com.apple.iokit.IONDRVSupport 2.3.6 com.apple.iokit.IOGraphicsFamily 2.3.6 com.apple.driver.AppleSMC 3.1.6d1 com.apple.driver.AppleUSBMultitouch 240.6 com.apple.iokit.IOUSBHIDDriver 650.4.4 com.apple.driver.AppleUSBMergeNub 650.4.0 com.apple.driver.AppleUSBComposite 650.4.0 com.apple.driver.CoreStorage 380 com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.6.0 com.apple.iokit.IOBDStorageFamily 1.7 com.apple.iokit.IODVDStorageFamily 1.7.1 com.apple.iokit.IOCDStorageFamily 1.7.1 com.apple.iokit.IOAHCISerialATAPI 2.6.0 com.apple.iokit.IOSCSIArchitectureModelFamily 3.6.0 com.apple.iokit.IOUSBUserClient 650.4.4 com.apple.iokit.IOFireWireFamily 4.5.5 com.apple.iokit.IO80211Family 600.34 com.apple.iokit.IOAHCIFamily 2.6.0 com.apple.iokit.IONetworkingFamily 3.2 com.apple.iokit.IOUSBFamily 650.4.4 com.apple.driver.NVSMU 2.2.9 com.apple.driver.AppleEFINVRAM 2.0 com.apple.driver.AppleEFIRuntime 2.0 com.apple.iokit.IOHIDFamily 2.0.0 com.apple.iokit.IOSMBusFamily 1.1 com.apple.security.sandbox 278.10 com.apple.kext.AppleMatch 1.0.0d1 com.apple.security.TMSafetyNet 7 com.apple.driver.AppleKeyStore 2 com.apple.driver.DiskImages 371.1 com.apple.iokit.IOStorageFamily 1.9 com.apple.iokit.IOReportFamily 21 com.apple.driver.AppleFDEKeyStore 28.30 com.apple.driver.AppleACPIPlatform 2.0 com.apple.iokit.IOPCIFamily 2.8 com.apple.iokit.IOACPIFamily 1.4 com.apple.kec.pthread 1 com.apple.kec.corecrypto 1.0 System Profile: Model: MacBookPro5,2, BootROM MBP52.008E.B05, 2 processors, Intel Core 2 Duo, 2.8 GHz, 8 GB, SMC 1.42f4 Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB Graphics: NVIDIA GeForce 9600M GT, NVIDIA GeForce 9600M GT, PCIe, 512 MB Memory Module: BANK 0/DIMM0, 4 GB, DDR3, 1333 MHz, 0x04CD, 0x46332D3130363636434C392D344742535100 Memory Module: BANK 1/DIMM0, 4 GB, DDR3, 1333 MHz, 0x04CD, 0x46332D3130363636434C392D344742535100 AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.106.98.100.22) Bluetooth: Version 4.2.0f6 12982, 3 services, 15 devices, 1 incoming serial ports Network Service: Wi-Fi, AirPort, en1 Serial ATA Device: Samsung SSD 840 Series, 120.03 GB Serial ATA Device: MATSHITADVD-R UJ-868 USB Device: Built-in iSight USB Device: BRCM2046 Hub USB Device: Bluetooth USB Host Controller USB Device: Apple Internal Keyboard / Trackpad USB Device: IR Receiver Thunderbolt Bus:

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