On Thu, Nov 29, 2018 at 11:23 AM Koenig, Christian <christian.koe...@amd.com> wrote:
> Hi Marek, > > you stumbled over a pretty fundamental bug in the memory management here. > Essentially we where leaking BOs when we ran into an OOM situation. Patch > to fix this is on the mailing list. > > A second problem is that eviction doesn't seem to work when GDS BOs aren't > idle. In other words when two applications try to use GDS at the same time > they don't wait for each other, but rather one looses with an OOM message. > FYI, the OOM message is the last issue with GDS. Everything else is good. I have a workaround in Mesa that re-submits the CS ioctl if it has failed with -ENOMEM. I guess there is no downside to it other than the OOM spam in dmesg. Marek
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