Re: new Intel driver hangs

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Tue, Jan 27, 2015 at 03:41:56PM +0000, Patrick Welche wrote:
> On Tue, Jan 27, 2015 at 03:50:00PM +0100, Manuel Bouyer wrote:
> > On Fri, Jan 23, 2015 at 03:47:15PM +0100, Manuel Bouyer wrote:
> > > Hello,
> > > since the xorg Intel driver has been updated on 7.0_BETA, the X server
> > > occasionally hangs on vmem: 
> > > yquem# ps axlww | grep Xorg
> > >     0 11377 12013   95  85  0 4315860  37652 vmem    Dl   ?      3:10.66 /usr/X11R7/bin/X :0 -noretro -auth /local/armandeche1/bouyer/.serverauth.11611 (Xorg)
> > > 
> > > 
> > > I tried a reboot -d but didn't get a core dump ...
> > 
> > Here is what I could get from 'crash -M /dev/mem' while Xorg is hung:
> > crash> tr/a 0xfffffe821e49a280
> > trace: pid 2096 lid 1 at 0xfffffe810f507b70
> > sleepq_block() at sleepq_block+0xa2
> > cv_wait() at cv_wait+0x116
> > vmem_xalloc() at vmem_xalloc+0x611
> > vmem_alloc() at vmem_alloc+0x11b
> > drm_vma_offset_add() at drm_vma_offset_add+0x44
> > i915_gem_mmap_gtt() at i915_gem_mmap_gtt+0x115
> > drm_ioctl() at drm_ioctl+0x122
> > sys_ioctl() at sys_ioctl+0x17e
> > syscall() at syscall+0x9a
> > --- syscall (number 54) ---
> > 7f7ff42d0a3a:
> > 
> > Tell me if I can provide additionnal information
> 
> Maybe another manifestation of PR xsrc/49553?

I don't think so; in this case it's not at shutdown but while
running stellarium, and it hangs in kernel code, not in xorg
itself.

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--