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Message boards : Number crunching : Help - Task 4.2 CUDA blocked

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Profile Carlesa25
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Message 25981 - Posted: 28 Jun 2012 | 21:36:41 UTC
Last modified: 28 Jun 2012 | 22:30:19 UTC

Hello: I have several task CUDA 4.2 but not be are running, all 4.2 failed and left hanging.

Please can someone clean my registry tasks...?

All tasks in my Linux Ubuntu 12.04 64bits GTX295 still failing

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Message 25993 - Posted: 29 Jun 2012 | 9:03:52 UTC

I'm not sure if 4.2 will run on a pre Fermi card, only 500s and 600s series, I could be wrong though. Can anyone confirm this?

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Message 26019 - Posted: 29 Jun 2012 | 22:12:53 UTC

On WindowsXP SP3 32bit I have 1 GTX 480 and 1 GTX 295 (original 2 card version) in the same machine and 4.2 tasks just fine on all.
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Message 26022 - Posted: 29 Jun 2012 | 22:31:04 UTC - in response to Message 26019.
Last modified: 29 Jun 2012 | 22:31:55 UTC

On WindowsXP SP3 32bit I have 1 GTX 480 and 1 GTX 295 (original 2 card version) in the same machine and 4.2 tasks just fine on all.


Hello: In my W7 the GTX295-CUDA 4.2 also works without problems where there is no way is on LINUX

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Message 26032 - Posted: 30 Jun 2012 | 10:51:55 UTC - in response to Message 26022.

I am not running Linux but have a couple of ideas.

1. Are you using a custom BIOS to overclock your graphics card? If so, please use a standard BIOS and see if that corrects the issue.

2. Are you running multiple projects? If so, limit BOINC to 50% CPU utilization. If that works, let BOINC have 75% utilization. You may be starving the GPU.

3. Verify your driver version.

The 4.2 work units are new and we don't have much experience with them yet. You may want to abort them and get some new ones.

Good Luck and keep crunching
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Thx - Paul

Note: Please don't use driver version 295 or 296! Recommended versions are 266 - 285.

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Message 26033 - Posted: 30 Jun 2012 | 11:10:48 UTC - in response to Message 26032.
Last modified: 30 Jun 2012 | 11:11:24 UTC

Thanks for your interest


1. Are you using a custom BIOS to overclock your graphics card? If so, please use a standard BIOS and see if that corrects the issue. = NO

2. Are you running multiple projects? = NO

If so, limit BOINC to 50% CPU utilization. If that works, let BOINC have 75% utilization. You may be starving the GPU. = 100% Limit

3. Verify your driver version. = 302.17 is the last

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Message 26038 - Posted: 30 Jun 2012 | 11:54:55 UTC - in response to Message 26033.

Did you try aborting the old tasks and getting some new ones? I had some issues with the initial 4.2 work units but now everything appears to be working great.

Please let us know.
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Note: Please don't use driver version 295 or 296! Recommended versions are 266 - 285.

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Message 26041 - Posted: 30 Jun 2012 | 12:21:17 UTC - in response to Message 26038.

From another thread - you may want to try the 295.59 drivers for linux

I have a MSI factory overclocked 670 and it gives me computation errors in Linux right off the bat with the 302.17 drivers. I'm thinking it has something to do with the overclock since other people seem to be crunching just fine on Linux with the newest drivers and a 670. Either way, I've reverted back to 295.59 and it averages about four hours on a cuda42 long run, which I would assume is decent since it says 8-12 hours on fastest card in the description.
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Note: Please don't use driver version 295 or 296! Recommended versions are 266 - 285.

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Message 26042 - Posted: 30 Jun 2012 | 13:48:44 UTC - in response to Message 26041.
Last modified: 30 Jun 2012 | 13:53:40 UTC

Hi, LINUX. I tested with OC and without OC, GPUGRID restarted, aborting all tasks I've even reinstalled BOINC 7.0.25 and no work CUDA 4.2 on my GTX295, no SAWN_SYNC, 295.59 driver when to return

CUDA 3.1 works without problems and with very performance.

WINDOWS-7. The CPU usage with CUDA 4.2 is very low <5% in CUDA 3.1 is > 20% ....? is the same team that only changes the LINUX OS.

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Message 26044 - Posted: 30 Jun 2012 | 14:21:43 UTC - in response to Message 26042.

CUDA 4.2 tasks appear to require less CPU than 3.1 tasks.

I get a mix of 3.1 and 4.2 tasks on my systems and most of the recent tasks are 3.1. Perhaps the number of 4.2 tasks is low.
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Note: Please don't use driver version 295 or 296! Recommended versions are 266 - 285.

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Message 26045 - Posted: 30 Jun 2012 | 15:14:12 UTC
Last modified: 30 Jun 2012 | 15:27:58 UTC

Workaround for the "CUDA3.1 client sent to CUDA4.2 capable hosts" problem
message 25971

See the thread pasted above, I have all 3.1s running 4.2 now. look down a few posts on the above thread for the instructions on how to use a batch file to do it.
I pasted the 2 lines into wordpad and named it cuda42.bat and executed it.
I dont know how to make the link for it.

Im getting close to my new Amino Acid, 1 mil. more lol

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Message 26094 - Posted: 2 Jul 2012 | 11:58:10 UTC

Hello: There is no way to work on Linux with CUDA 4.2 on my GTX295.

As a final attempt, I changed the NVIDIA driver from the 302.17 to the 295.40 and remains the same.

SOMEONE IS WORKING CUDA.4.2 ON LINUX WITH CARD SERIES GTX200...

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Message 26104 - Posted: 2 Jul 2012 | 19:40:52 UTC

Tried a 275 & also fails with 4.2

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Message 26105 - Posted: 2 Jul 2012 | 19:57:11 UTC - in response to Message 26104.

Tried a 275 & also fails with 4.2



Thanks for the info, I worry no more. Best regards.

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Message boards : Number crunching : Help - Task 4.2 CUDA blocked

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