Anyone else having issues getting more than 1 or 2 WU's at a time? One host I have (see host) had about 4 or 5 WU's a couple days ago, and after completing those now has 7 outstanding. Even with a GTX570, those are still going to take 3+ days to crank through.

The only different between the two hosts (besides the actual guts of the machines) is the NVIDIA driver. The version on the host with the issues is 301.24 beta, whereas the the host without issues is running 295.75. All the BOINC (7.0.27) settings are the same, and I have low numbers in the "keep as much work for" fields to minimize this issue.

Not sure what is going on, but it seems like the server is spitting out more tasks for the newer beta driver -- though it didn't appear to happen immediately after installation (only began 2 days ago, several days after the installation of the 301.24 drivers). Before I try rolling forward to the WHQL driver 301.42 or back to the 295.73, I wanted to see if anyone else had the same issue.

Your host has 4 GPUs, that's why GPUGrid sends 8 tasks (at most) to this host for processing.

Only 1 GPU is allowed to use GPUGrid, with the other 3 older cards designated for other, less demanding projects (using the appropriate <exclude_gpu> options in the cc_config.xml file).

Based on the output files, GPU0 (GTX570) is the only one doing any processing. So, at least that works. The <exclude_gpu> option has been running for nearly a month on this host with no issues, until I changed the driver recently. That's why it seems like a driver-related issue, somehow confusing the server into sending WU's for all GPU's and not just those specified by BOINC options.

The other host, with the same options (but only has 1 other, older GPU) is running normally. Again, it has driver 295.73, versus the problem host with the 301.24 beta.

At this point, I'm only losing bonus credits as all the WU's are completing successfully. When I'm able (next couple days), I will upgrade to the newer 301.42 WHQL drivers and see what happens. If no change, I'll drop back to match the other host running without issues.

7.0.27 is a deprecated beta. 7.0.28 fixes a few things. Might be worth trying, and reporting.

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7.0.27 is a deprecated beta. 7.0.28 fixes a few things. Might be worth trying, and reporting.

Thanks. I will try that first...likely tomorrow.