Forum > GPU crunching
AK V8 + CUDA MB team work mod
Raistmer:
Stock app should experience the same difficulties with server installation. So if stock works the reason in something else.
What driver do you use? 180.x required. I looked on yor link to result - "invalid device symbol" there.
This one: http://setiathome.berkeley.edu/result.php?resultid=1140067400
Richard Haselgrove:
--- Quote from: Raistmer on 30 Jan 2009, 06:58:56 am ---Yes, this is known inherently error of CUDA MB (but was unknown if this bug still with us or not).
Probably you can do nothing to avoid it, just kepp crunching - I hope this error prety rare. Thanks for report (I passed bug report to developer).
--- End quote ---
I have had two of these recently (with stock v6.08) - one already purged, the other
http://setiathome.berkeley.edu/result.php?resultid=1137771930
P51 Mustang:
--- Quote from: Raistmer on 30 Jan 2009, 12:01:37 pm ---Stock app should experience the same difficulties with server installation. So if stock works the reason in something else.
What driver do you use? 180.x required. I looked on yor link to result - "invalid device symbol" there.
This one: http://setiathome.berkeley.edu/result.php?resultid=1140067400
--- End quote ---
Traced it down to the wrong video drivers. Version 178.24 was installed Jan 7th 2009. It has now been upgraded to version 181.22
YukonTrooper:
--- Quote from: Raistmer on 30 Jan 2009, 11:35:56 am ---
--- Quote from: YukonTrooper on 30 Jan 2009, 11:02:07 am ---
--- Quote from: Raistmer on 30 Jan 2009, 06:55:02 am ---
--- Quote from: YukonTrooper on 30 Jan 2009, 01:55:01 am ---I'm getting lots of computation errors. Cuda app running fine + 4x AK V8 running fine, but fifth AK V8 will start and stop at 8-9 seconds with computation error. Fifth AK V8 starts again and repeats. Computation errors stack up quick! I'm doing SETI and SETI Beta, but only installed package to setiathome.berkeley.edu folder not setiathome.berkeley.edu_beta folder.
Specs:
i7 920
GTX 260 216SP w/178.xx
--- End quote ---
Could you provide link on that host, please?
5th AK v8 (first one, actually) shouldn't take 8-9 seconds. It should take 0 seconds to pass control to CUDA MB....
--- End quote ---
http://setiathome.berkeley.edu/result.php?resultid=1140502904
--- End quote ---
Ok, 180.xx drivers are required.
--- End quote ---
Hmmm, but GPU WU's aren't the problem, it's the AK V8 WU's. :-\
Raistmer:
--- Quote from: YukonTrooper on 30 Jan 2009, 07:22:38 pm ---
--- Quote from: Raistmer on 30 Jan 2009, 11:35:56 am ---
--- Quote from: YukonTrooper on 30 Jan 2009, 11:02:07 am ---
--- Quote from: Raistmer on 30 Jan 2009, 06:55:02 am ---
--- Quote from: YukonTrooper on 30 Jan 2009, 01:55:01 am ---I'm getting lots of computation errors. Cuda app running fine + 4x AK V8 running fine, but fifth AK V8 will start and stop at 8-9 seconds with computation error. Fifth AK V8 starts again and repeats. Computation errors stack up quick! I'm doing SETI and SETI Beta, but only installed package to setiathome.berkeley.edu folder not setiathome.berkeley.edu_beta folder.
Specs:
i7 920
GTX 260 216SP w/178.xx
--- End quote ---
Could you provide link on that host, please?
5th AK v8 (first one, actually) shouldn't take 8-9 seconds. It should take 0 seconds to pass control to CUDA MB....
--- End quote ---
http://setiathome.berkeley.edu/result.php?resultid=1140502904
--- End quote ---
Ok, 180.xx drivers are required.
--- End quote ---
Hmmm, but GPU WU's aren't the problem, it's the AK V8 WU's. :-\
--- End quote ---
Look at link you provided. It points on CUDA processed task.
ADDON: form stderr of your result:
Cuda error 'cudaMemcpyToSymbol(cudaAcc_GaussFit_settings, (void*) &settings, sizeof(settings))' in file 'd:/BTR/seticuda/seti_boinc/client/cuda/cudaAcc_gaussfit.cu' in line 454 : invalid device symbol.
The answer is the same - update to 18x.xx drivers.
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