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NVIDIA išleido naujas 185.18.29 Linux tvarkykles

Nors NVIDIA inžinieriai jau dirba prie 190.xx tvarkyklių, kurios į Linux atneš OpenGL 3.2 palaikymą, mėgstantys stabilias tvarkykles jau gali džiaugtis – NVIDIA išleido 185.18.29 tvarkykles Linux sistemom.
Buvo ištaisytos vienos pagrindinių klaidų, kaip kad įjungtas Unified Back Buffer ir X Server nulūžimas, kurie sukeldavo adresavimo problemų. Visgi, pagrindiniai pakeitimai CUDA, VDPAU ir Quadro GPU srityse. Jeigu šios sritys nelabai liečia jūsų darbą su NVIDIA Linux sistemose, greičiausiai pasikeitimų visai nepastebėsite.

Pakeitimų sąrašas

• Added code to forcibly terminate long-running CUDA kernels when Ctrl-C is pressed.
• Fixed a bug that could cause occasional memory corruption problems or segmentation faults when running OpenGL applications on Quadro GPUs.
• Fixed a deadlock in the OpenGL library that could be triggered in certain rare circumstances on Quadro GPUs.
• Fixed an interaction problem between PowerMizer and CUDA applications that caused the performance level to be reduced while the CUDA kernel is running.
• Made CUDA compute-exclusive mode persistent across GPU resets.
• Fixed the order of outputs in the GPUScaling nvidia-settings property.
• Fixed a bug that caused graphics corruption in some OpenGL applications when the Unified Back Buffer is enabled the application window is moved.
• Fixed a bug that caused glXGetVideoSyncSGI, glXWaitVideoSyncSGI, and glXGetRefreshRateSGI to operate on the wrong screen when there are multiple X screens.
• Fixed a bug that causes corruption or GPU errors when an application paints a redirected window whose background is set to ParentRelative on X.Org servers older than 1.5. This was typically triggered by running Kopete while using Compiz or Beryl.
• Fixed a bug in VDPAU that could cause visible corruption when decoding H.264 clips with alternating frame/field coded reference pictures, and a video surface is concurrently removed from the DPB, and re-used as the decode target, in a single decode operation. This affected all GPUs supported by VDPAU.
• Fixed a bug in VDPAU that could cause visible corruption near the bottom edge of the picture when decoding VC-1 advanced profile clips whose heights are not exact multiples of 16 pixels, on G98 and MCP7x (IGP) GPUs.
• Enhanced VDPAU to better handle corrupt/invalid H.264 bitstreams on G84, G86, G92, G94, G96, or GT200 GPUs. This should prevent most cases of „display preemption” that are caused by bitstream errors.
• Fixed an X server crash when using the VDPAU overlay-based presentation queue and VT-switching away from the X server.
• Enhanced VDPAU’s detection of the GPU’s video decode capabilities.
• Fixed a bug in VDPAU that could cause ghosting/flashing issues when decoding H.264 clips, in certain full DPB scenarios, on G98 and MCP7x.
• Fixed VDPAU to detect an attempt to destroy the VdpDevice object when other device-owned objects still exist. VDPAU now triggers „display preemption”, and returns an error, when this occurs.
• Enhanced VDPAU’s error handling and resource management in presentation queue creation and operation. This change correctly propagates all errors back to the client application, and avoids some resource leaks.

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