[Bugme-new] [Bug 16488] New: [i915] Framebuffer ID error after suspend/hibernate leading to X crash

[Andrew Morton]

(switched to email.  Please respond via emailed reply-to-all, not via the
bugzilla web interface).

On Sun, 1 Aug 2010 08:55:49 GMT
bugzilla-daemon at bugzilla.kernel.org wrote:

> https://bugzilla.kernel.org/show_bug.cgi?id=16488

Innocuous-looking one-liner is said to have made Milan's X server even
worse than normal.

>            Summary: [i915] Framebuffer ID error after suspend/hibernate
>                     leading to X crash
>            Product: Drivers
>            Version: 2.5
>           Platform: All
>         OS/Version: Linux
>               Tree: Mainline
>             Status: NEW
>           Severity: high
>           Priority: P1
>          Component: Video(DRI - Intel)
>         AssignedTo: drivers_video-dri-intel at kernel-bugs.osdl.org
>         ReportedBy: nalimilan at club.fr
>                 CC: chris at chris-wilson.co.uk
>         Regression: Yes
> 
> 
> I've been experiencing X freezes and crashes for more than a year, and with
> every kernel version the cause of the bug changes. After Linus pushed
> 985b823b919273fe1327d56d2196b4f92e5d0fae to 2.6.35rc6 (see below [2]), I'm now
> getting an "invalid framebuffer id" error that kills my X server. Before that
> commit, I was getting an oops, which was reported in bugs.fd.o as [1].
> 
> 
> /var/log/kern.log:
> [ 1467.408347] PM: Finishing wakeup.
> [ 1467.408350] Restarting tasks ... done.
> [ 1467.434616] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
> [ 1467.747233] sky2 0000:02:00.0: eth0: enabling interface [...]
> [ 1512.204160] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
> GPU hung
> [ 1512.205452] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns
> -5 (awaiting 11072 at 11071)
> 
> 
> At this point, the X server is killed, and won't restart:
> Fatal server error:
> Failed to submit batchbuffer: Input/output error
> 
> 
> Excerpt from lspci -vnn:
> 00:02.1 Display controller [0380]: Intel Corporation Mobile 915GM/GMS/910GML
> Express Graphics Controller [8086:2792] (rev 03)
>         Subsystem: Toshiba America Info Systems Device [1179:ff00]
>         Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B- DisINTx-
>         Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
> <MAbort- >SERR- <PERR- INTx-
>         Region 0: Memory at 64000000 (32-bit, non-prefetchable) [disabled]
> [size=512K]
>         Capabilities: [d0] Power Management version 2
>                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
> PME(D0-,D1-,D2-,D3hot-,D3cold-)
>                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-
> 
> 
> 1: https://bugs.freedesktop.org/show_bug.cgi?id=26974
> 2:
> commit 985b823b919273fe1327d56d2196b4f92e5d0fae
> Author: Linus Torvalds <torvalds at linux-foundation.org>
> Date:   Fri Jul 2 10:04:42 2010 +1000
> 
>     drm/i915: fix hibernation since i915 self-reclaim fixes
> 
>     Since commit 4bdadb9785696439c6e2b3efe34aa76df1149c83 ("drm/i915:
>     Selectively enable self-reclaim"), we've been passing GFP_MOVABLE to the
>     i915 page allocator where we weren't before due to some over-eager
>     removal of the page mapping gfp_flags games the code used to play.
> 
>     This caused hibernate on Intel hardware to result in a lot of memory
>     corruptions on resume.  See for example
> 
>       http://bugzilla.kernel.org/show_bug.cgi?id=13811
> 
> -- 
> Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email
> ------- You are receiving this mail because: -------
> You are on the CC list for the bug.