Re: [Mesa-dev] Possible Sandybridge GPU hang fixes

2013-10-28 Thread Kenneth Graunke
On 10/27/2013 07:24 AM, Daniel Vetter wrote: On Sat, Oct 26, 2013 at 01:07:48PM -0700, Kenneth Graunke wrote: These patches add some missing flushing, which appears to help. I'm still getting GPU hangs, but they're much less frequent, and now have an IPEHR of MI_SEMAPHORE_MBOX. I suspect

Re: [Mesa-dev] Possible Sandybridge GPU hang fixes

2013-10-27 Thread Daniel Vetter
On Sat, Oct 26, 2013 at 01:07:48PM -0700, Kenneth Graunke wrote: These patches add some missing flushing, which appears to help. I'm still getting GPU hangs, but they're much less frequent, and now have an IPEHR of MI_SEMAPHORE_MBOX. I suspect those may be due to bugs in my performance

[Mesa-dev] Possible Sandybridge GPU hang fixes

2013-10-26 Thread Kenneth Graunke
These patches add some missing flushing, which appears to help. I'm still getting GPU hangs, but they're much less frequent, and now have an IPEHR of MI_SEMAPHORE_MBOX. I suspect those may be due to bugs in my performance monitoring code, rather than upstream problems. Xinkai Chen reported that