If you have had a situation while running 6.10.45 or later where BOINC stops using the GPU Rom is looking for details. *I* have had one instance of this happening with 6.10.45 though it is more common with 6.10.46 and later (I have personally seen it with 6.10.46 and .48, and I have seen another report on 6.10.47) ...

Anyway, Rom's message:

A number of people have reported that the CC starts failing to assign work to GPUs after a period of time.

Evidence of this can be found in your log file. For Nvidia GPUs it looks like:

[coproc] cuCtxCreate(0) returned 999

I'm not sure what is logged for an ATI GPU.

For those experiencing the issue, could you email me:

What OS are you using?

Number of GPUs?

What GPU driver version?

What GPU model version?

Amount of RAM for the computer?

Amount of RAM for the GPU?

For an ATI GPU the log looks like:

04-May-2010 22:44:52 [Milkyway@home] Can't get available GPU RAM: 2