Re: [PATCH 0/4] Backported amdgpu ttm deadlock fixes for 4.14

2017-12-04 Thread Greg KH
On Thu, Nov 30, 2017 at 07:23:02PM -0500, Lyude Paul wrote: > I haven't gone to see where it started, but as of late a good number of > pretty nasty deadlock issues have appeared with the kernel. Easy > reproduction recipe on a laptop with i915/amdgpu prime with lockdep enabled: > > DRI_PRIME=1

Re: [PATCH 0/4] Backported amdgpu ttm deadlock fixes for 4.14

2017-12-01 Thread Christian König
Am 01.12.2017 um 01:23 schrieb Lyude Paul: I haven't gone to see where it started, but as of late a good number of pretty nasty deadlock issues have appeared with the kernel. Easy reproduction recipe on a laptop with i915/amdgpu prime with lockdep enabled: DRI_PRIME=1 glxinfo Acked-by:

[PATCH 0/4] Backported amdgpu ttm deadlock fixes for 4.14

2017-11-30 Thread Lyude Paul
I haven't gone to see where it started, but as of late a good number of pretty nasty deadlock issues have appeared with the kernel. Easy reproduction recipe on a laptop with i915/amdgpu prime with lockdep enabled: DRI_PRIME=1 glxinfo Additionally, some more race conditions exist that I've