Re: [Intel-gfx] v3.17, i915 vs nouveau: possible recursive locking detected

2014-10-19 Thread Daniel Vetter
On Sat, Oct 18, 2014 at 12:04:32PM +0200, Jesse Barnes wrote: > On Thu, 16 Oct 2014 13:47:38 +0200 > Daniel Vetter wrote: > > > We need ww mutexes and need to rewrite i915 a bit fo fix this all. > > I.e. known issue. As long as your userspace isn't nasty nothing bad > > will ever happen though. >

Re: [Intel-gfx] v3.17, i915 vs nouveau: possible recursive locking detected

2014-10-18 Thread Jesse Barnes
On Thu, 16 Oct 2014 13:47:38 +0200 Daniel Vetter wrote: > We need ww mutexes and need to rewrite i915 a bit fo fix this all. > I.e. known issue. As long as your userspace isn't nasty nothing bad > will ever happen though. So do we already have a bug open with a good description of the issue? Eve

Re: [Intel-gfx] v3.17, i915 vs nouveau: possible recursive locking detected

2014-10-16 Thread Daniel Vetter
We need ww mutexes and need to rewrite i915 a bit fo fix this all. I.e. known issue. As long as your userspace isn't nasty nothing bad will ever happen though. -Daniel On Mon, Oct 13, 2014 at 08:40:33PM +0200, Marcin Ślusarz wrote: > = > [ INFO: possible

[Intel-gfx] v3.17, i915 vs nouveau: possible recursive locking detected

2014-10-13 Thread Marcin Ślusarz
= [ INFO: possible recursive locking detected ] 3.17.0 #50 Not tainted - Xorg/1170 is trying to acquire lock: (&dev->struct_mutex){+.+.+.}, at: [] i915_gem_unmap_dma_buf+0x33/0xc0 [i915] but task is already h