Hi

I've been seeing these errors in my kernel logs:

amdgpu 0000:01:00.0: couldn't schedule ib
[drm:amdgpu_job_run] *ERROR* Error scheduling IBs (-22)
[drm:amd_sched_main] *ERROR* Failed to run job!

I've bisected it down to:

a7c77c7fe5f659428e73d77aa4a8ac80b638daf3 is the first bad commit
commit a7c77c7fe5f659428e73d77aa4a8ac80b638daf3
Author: Christian König <christian.koenig@amd.com>
Date:   Wed Jun 15 13:44:05 2016 +0200

    drm/amdgpu: pipeline evictions as well

    This boosts Xonotic from 38fps to 47fps when artificially limiting VRAM to
    256MB for testing. It should improve all CPU bound rendering situations
    where we have a lot of swapping to/from VRAM.

    Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
    Signed-off-by: Christian König <christian.koenig@amd.com>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

:040000 040000 2fdfd546d7175759ed5f09bdec209f71d084ab1e
6b0cdbc8f42f4e3873e3bbdcc440336856073883 M      drivers