hardy to lucid pc hard lock ups

[NoOp]

On 09/21/2010 12:06 AM, Nick Edwards wrote:
> Hi there,
> 
> Just upgraded from hard to lucid, was impressed, after my video started
> working, I have one of those intel chips ubuntu devs don't care about it
> seems.
> 00:02.0 VGA compatible controller: Intel Corporation 82852/855GM Integrated
> Graphics Device (rev 02)
> 00:02.1 Display controller: Intel Corporation 82852/855GM Integrated
> Graphics Device (rev 02)
> 
> Anyway, I managed to get it booting into GUI so I can log in, all is good,
> until I try play any video file, the pc hard locks up, requiring hard power
> off/on
> This as you all know is NOT good for disks!
> 
> So, I'm hoping before I wreck another HDD (hardy never ever hibernated when
> low battery, that bug got me many times), has anyone seen/resolved this
> horrible bug?
> 
> I have all the required gstream* plugins and ubuntu-restricted-extras
> installed, this all worked fine on hardy.
>  Google shows others having this problem too with no resolve.
> 
> My only kernel log messages seems to be
>  [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
> render error detected, EIR: 0x00000000
> [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting
> 375751 at 375750)
> 
> 
> In messages I also see and assume it is related
> pulseaudio[8348]: pid.c: Stale PID file, overwriting.
> pulseaudio[8348]: main.c: Unable to contact D-Bus:
> org.freedesktop.DBus.Error.NoServer: Failed to connect to socket
> /tmp/dbus-nGO551cCUf: Connection refused
> pulseaudio[8348]: ratelimit.c: 11 events suppressed
> bonobo-activation-server (noel-8403): could not associate with desktop
> session: Failed to connect to socket /tmp/dbus-nGO551cCUf: Connection
> refused
> 
> I stress, it is a hard lockup, I can not switch to console, the machine also
> is not ssh'ble nor pingable when this happens, not very good , I thought I
> left  the
> one-program-crashes-entire-pc when I left  Windows

https://wiki.ubuntu.com/X/Troubleshooting/Freeze
  https://wiki.ubuntu.com/X/Bugs/Lucidi8xxFreezes
<https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/541492>
[MASTER: [i845] GPU lockup (apport-crash) (Should KMS be blacklisted?)]
https://wiki.ubuntu.com/LucidLynx/ReleaseNotes
[Working around bugs in the new kernel video architecture]