[Bug 85466] New: [drm] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85466

            Bug ID: 85466
           Summary: [drm] stuck on render ring
           Product: DRI
           Version: XOrg CVS
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: snthlrcg0987 at spamhereplease.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 108426
  --> https://bugs.freedesktop.org/attachment.cgi?id=108426&action=edit
related part of kern.log file

NAME="Ubuntu"
VERSION="12.04.5 LTS, Precise Pangolin"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu precise (12.04.5 LTS)"
VERSION_ID="12.04"
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.5 LTS"
Linux 4720z 3.13.0-38-generic #65~precise1-Ubuntu SMP Thu Oct 9 19:24:05 UTC
2014 i686 i686 i386 GNU/Linux

Chromium Version 37.0.2062.120 Ubuntu 12.04 (281580)

Go to http://ello.co/johndcook and the GPU will crash with

Oct 26 00:43:08 4720z kernel: [242523.988084] [drm] stuck on render ring
Oct 26 00:43:08 4720z kernel: [242523.988096] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Oct 26 00:43:08 4720z kernel: [242523.988101] [drm] GPU hangs can indicate a
bug anywhere in the entire gfx stack, including userspace.
Oct 26 00:43:08 4720z kernel: [242523.988106] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Oct 26 00:43:08 4720z kernel: [242523.988110] [drm] drm/i915 developers can
then reassign to the right component if it's not a kernel issue.
Oct 26 00:43:08 4720z kernel: [242523.988115] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
Oct 26 00:43:08 4720z kernel: [242523.989889] [drm:i915_set_reset_status]
*ERROR* render ring hung inside bo (0xd32a000 ctx 0) at 0xd32aadc
Oct 26 00:43:08 4720z kernel: [242524.496024] [drm:i915_reset] *ERROR* Failed
to reset chip.
Oct 26 00:43:18 4720z kernel: [242533.988090] [drm:i915_gem_wait_for_error]
*ERROR* Timed out waiting for the gpu reset to complete
Oct 26 00:43:18 4720z kernel: [242533.988107] [drm:i915_gem_wait_for_error]
*ERROR* Timed out waiting for the gpu reset to complete
Oct 26 00:43:18 4720z kernel: [242534.148091] [drm:i915_gem_wait_for_error]
*ERROR* Timed out waiting for the gpu reset to complete
Oct 26 00:43:18 4720z kernel: [242534.204095] [drm] GMBUS [i915 gmbus vga]
timed out, falling back to bit banging on pin 2

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