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[Rolf Leggewie <1255280@xxxxxxxxxxxxxxxxxx>]

saucy has seen the end of its life and is no longer receiving any
updates. Marking the saucy task for this ticket as "Won't Fix".

** Changed in: mesa (Ubuntu Saucy)
       Status: Triaged => Won't Fix

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https://bugs.launchpad.net/bugs/1255280

Title:
  Update to mesa 9.2.3

Status in mesa package in Ubuntu:
  Fix Released
Status in mesa source package in Saucy:
  Won't Fix

Bug description:
  I am quite often getting GPU hangups and machine freezes, and the
  following is in my logs:

  Nov 19 21:17:09 derp kernel: [131426.756136] Watchdog[8655]: segfault at 0 ip 00007fcbb70bc72e sp 00007fcba7692650 error 6 in chrome[7fcbb3514000+5eff000]
  Nov 19 21:17:17 derp kernel: [131434.757554] [drm:i915_hangcheck_elapsed] *ERROR* stuck on render ring
  Nov 19 21:17:17 derp kernel: [131434.757557] [drm] capturing error event; look for more information in /sys/kernel/debug/dri/0/i915_error_state
  Nov 19 21:17:17 derp kernel: [131434.785406] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo (0xef56000 ctx 13) at 0xef561c8

  A quick grep for "IPEHR" in i915_error_state gives the following:

    IPEHR: 0x79050005
    IPEHR: 0x00000000
    IPEHR: 0x0b140001

  Freedesktop.org Bug #70151 says the following:

  Fixed in Mesa 9.2.3 (out today), the upcoming Mesa 10.0 release, or Mesa master.
  This fixes the Sandybridge-specific GPU hang where i915_error_state (aka /sys/class/drm/card0/error) lists an IPEHR of 0x79050005.

  Therefore I think Mesa should be upgraded to at least 9.2.3 to fix
  this.

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