Bug#437207: xserver-xorg-video-i810: OpenGL crashes, only after a suspend

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

reassign 437207 xserver-xorg-video-intel
retitle 437207 xserver-xorg-video-intel: lockup on i855, Error in I830WaitLpRing(), with OpenGL after suspend
thank you



Richard Thrippleton wrote:
> Error in I830WaitLpRing(), timeout for 2 seconds
> pgetbl_ctl: 0xffe0001 pgetbl_err: 0x0
> ipeir: 0 iphdr: 76b3ffff
> LP ring tail: 38b0 head: 1ae8 len: 1f001 start 0
> eir: 0 esr: 0 emr: ffff
> instdone: 2c1 instpm: 0
> memmode: 108 instps: 30
> hwstam: ffff ier: a2 imr: 9 iir: 200
> Ring at virtual 0xafbab000 head 0x1ae8 tail 0x38b0 count 1906
> 	00001a68: 4411c800
> [...]
> 	00001ae8: 6c818a01
> Ring end
> space: 123440 wanted 131064
> (II) intel(0): [drm] removed 1 reserved context for kernel
> (II) intel(0): [drm] unmapping 8192 bytes of SAREA 0xcfcba000 at 0xb7d7a000
>
> Fatal server error:
> lockup
>   

Unfortunately, that's another example of lockup, we have several reports
about problems like this one, and it's very hard to know what's going on...

Brice