BOINC reports CUDA memory only 128M after Re-image of laptop


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Questions and Answers : GPU applications : BOINC reports CUDA memory only 128M after Re-image of laptop

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Bill Acree
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Message 927130 - Posted: 19 Aug 2009, 13:35:13 UTC
Last modified: 19 Aug 2009, 13:38:07 UTC

I have a Dell Latitude D630 with an Intel Core 2 Duo CPU T7500 @ 2.20GHz dual core processor and an NVIDIA QUADRO NVS 135M GPU. The adapter tab in display properties shows the NVIDIA GPU has 256 MB of memory. Device properties on the NVIDIA adapter says it is using NVIDIA driver 6.14.11.7968 dated 3/11/2009.

This configuration was running SETI on BOINC and using the GPU for processing before I encountered corruption in my login profile causing a shutdown problem. To correct the problem my tech re-imaged my computer with Windows XP Professional 2002 SP3 and blew away my old profile. I believe I was running the same windows configuration before the problem, but can't be certain. Now everything is running nornal again.

After reinstalling BOINC and connecting to SETI the GPU is recognized but its memory is reported by BOINC as only 128MB. This seems to be an error in BOINC to me. I understand the memory memory needed is 256MB which my GPU has. SETI then gives the message, "Message from Server: Can't use CUDA app for SETI@home Enhanced: Your CUDA device has insufficient memory."

Can anyone explain why I could run on the GPU before my computer was re-imaged and now I can't because of apparently incorrectly reported insufficient memory? Does anyone have a solution?
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OzzFan
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Message 927284 - Posted: 19 Aug 2009, 22:09:07 UTC - in response to Message 927130.

Is the video memory size adjustable via the BIOS? Perhaps you need to increase the dedicated video memory parameters.
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Claggy
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Message 927392 - Posted: 20 Aug 2009, 10:05:14 UTC - in response to Message 927130.

You should also try and update the Graphic drivers from 179.68,
if any is available.

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Bill Acree
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Message 927492 - Posted: 20 Aug 2009, 15:47:20 UTC - in response to Message 927284.

I believe the requiement for 256MB refers to hardware memory installed on the NVIDIA Video card and is not shared or adjustable.
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Bill Acree
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Message 927496 - Posted: 20 Aug 2009, 15:58:29 UTC - in response to Message 927392.

I have tried to upgrade the driver from the NVIDIA web site twice and have had different adverse affects on my systems video presentation making the system unusable until rolled back. Maybe, but not likely, the update got corrupted in download each time as the symptoms were different each time. Is there a driver version for my GPU/Video that is tested to work with BIONC?
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Message 927520 - Posted: 20 Aug 2009, 18:46:36 UTC - in response to Message 927492.

Can you download the latest copy of GPU-Z and tell us how much video memory is identified by the program?
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Bill Acree
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Message 927705 - Posted: 21 Aug 2009, 13:52:23 UTC - in response to Message 927520.

The GPU-Z report says 128MB.

Here is a report from the NVIDIA control panel that probably explains the issue. It shows 256MB with 128MB dedicated, whatever that means.

NVIDIA System Information report created on: 08/21/2009 09:45:50
System name: QINETIQ-99D5EB8

[Display]
Processor: Intel(R) Core(TM)2 Duo CPU T7500 @ 2.20GHz (2193 MHz)
Operating System: Microsoft Windows XP, 32-bit (Service Pack 3)
DirectX version: 9.0c
GPU processor: Quadro NVS 135M
Driver version: 179.68
Core clock: 400 MHz
Shader clock: 800 MHz
Memory clock: 594 MHz (1188 MHz data rate)
Memory interface: 64-bit
Memory: 256 MB (128 MB Dedicated)
Video BIOS version: 60.86.68.00.16
IRQ: 16
Bus: PCI Express x16

[Components]

nvCplUIR.dll 2.5.373.05 NVIDIA Control Panel
nvCpl.cpl 2.5.373.05 NVIDIA Control Panel Applet
nvExpBar.dll 1.5.700.21 NVIDIA Control Panel
nvCplUI.exe 2.5.373.05 NVIDIA Control Panel
nvWSSR.dll 6.14.11.7968 NVIDIA Workstation Server
nvWSS.dll 6.14.11.7968 NVIDIA Workstation Server
nvViTvSR.dll 6.14.11.7968 NVIDIA Video and TV Server
nvViTvS.dll 6.14.11.7968 NVIDIA Video and TV Server
nvMoblSR.dll 6.14.11.7968 NVIDIA Mobile Server
nvMoblS.dll 6.14.11.7968 NVIDIA Mobile Server
nvDispSR.dll 6.14.11.7968 NVIDIA Display Server
NVMCTRAY.DLL 6.14.11.7968 NVIDIA Media Center Library
NVOGLNT.DLL 6.14.11.7968 NVIDIA Compatible OpenGL ICD
nvDispS.dll 6.14.11.7968 NVIDIA Display Server
NVCPL.DLL 6.14.11.7968 NVIDIA Compatible Windows 2000 Display driver, Version 179.68
NV4_MINI.SYS 6.14.11.7968 NVIDIA Compatible Windows 2000 Miniport Driver, Version 179.68
NV4_DISP.DLL 6.14.11.7968 NVIDIA Compatible Windows 2000 Display driver, Version 179.68
nvGameSR.dll 6.14.11.7968 NVIDIA 3D Settings Server
nvGameS.dll 6.14.11.7968 NVIDIA 3D Settings Server


[/img]
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Message 927720 - Posted: 21 Aug 2009, 15:13:48 UTC - in response to Message 927705.

Honestly I'm not sure how it ever worked before, but it shouldn't have. With only 128MB of actual video RAM, that falls short of the 256MB requirement. The other 128MB can be borrowed from system RAM for additional textures, but this RAM is not used by the CUDA client. nVidia programmed the CUDA app to only use dedicated video memory only.
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Bill Acree
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Message 928485 - Posted: 24 Aug 2009, 22:29:16 UTC - in response to Message 927720.

Maybe it never did work before, but I had never seen the red server messages that address insufficient CUDA memory. Has this message always been sent or was it recently added?
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Message 928556 - Posted: 25 Aug 2009, 3:52:52 UTC - in response to Message 928485.

I honestly couldn't tell you as I don't use CUDA, so any related messages within BOINC are not seen by me on any version of BOINC that I use.
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Questions and Answers : GPU applications : BOINC reports CUDA memory only 128M after Re-image of laptop

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