[Bug 87780] New: [GM45] *ERROR* Hangcheck timer elapsed... GPU hung - 2.99.917 regression

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87780

            Bug ID: 87780
           Summary: [GM45] *ERROR* Hangcheck timer elapsed... GPU hung -
                    2.99.917 regression
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: andreas.sturmlechner at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 111414
  --> https://bugs.freedesktop.org/attachment.cgi?id=111414&action=edit
20141228-0203_3.4.105-gentoo-stop_i915errdecode-ON.log

For other reasons I am bound to use kernel 3.4.105, without any trouble,
including xf86-video-intel versions up to 2.99.916.

Upgrading xf86-video-intel to 2.99.917 breaks this setup; however, it works in
combination with latest linux-3.19-rc1+ (which I'm currently testing for fixing
the reason I'm stuck with 3.4.x).

All using X.Org X Server 1.16.3; the regression is reproducable:

[   19.540530] [drm] capturing error event; look for more information in
/debug/dri/0/i915_error_state
[   19.541519] render error detected, EIR: 0x00000010
[   19.541519]   IPEIR: 0x00000000
[   19.541519]   IPEHR: 0x00000000
[   19.541519]   INSTDONE: 0xffffffff
[   19.541519]   INSTPS: 0x4001e020
[   19.541519]   INSTDONE1: 0xbfffffff
[   19.541519]   ACTHD: 0x7ffff000
[   19.541519] page table error
[   19.541519]   PGTBL_ER: 0x00100000
[   19.541519] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010,
masking
[   25.532145] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[   25.532154] render error detected, EIR: 0x00000010
[   25.532158]   IPEIR: 0x00000000
[   25.532162]   IPEHR: 0x00000000
[   25.532165]   INSTDONE: 0xffffffff
[   25.532169]   INSTPS: 0x4001e020
[   25.532172]   INSTDONE1: 0xbfffffff
[   25.532175]   ACTHD: 0x7ffff000
[   25.532179] page table error
[   25.532182]   PGTBL_ER: 0x00100000

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