Re: new Intel driver hangs

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

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

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