[Bug 91133] [gm45] Invalid GTT entry during Command Fetch from CS prefetch crossing page boundary

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=91133

--- Comment #21 from Thaddaeus Tintenfisch <thad.fisch at gmail.com> ---
Linux acer-tm8471 4.2.0-rc2-patched #2 SMP Thu Jul 16 11:21:14 CEST 2015 x86_64
x86_64 x86_64 GNU/Linux

---
[25339.804085] [drm] stuck on render ring
[25339.805541] [drm] GPU HANG: ecode 4:0:0xfaffffff, in Xorg [643], reason:
Ring hung, action: reset
[25339.805544] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[25339.805546] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[25339.805548] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[25339.805551] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[25339.805553] [drm] GPU crash dump saved to /sys/class/drm/card1/error
[25339.805556] i915: render error detected, EIR: 0x00000010
[25339.805560] i915:   IPEIR: 0x00000000
[25339.805563] i915:   IPEHR: 0x05000000
[25339.805565] i915:   INSTDONE_0: 0xffffffff
[25339.805568] i915:   INSTDONE_1: 0xbfffffff
[25339.805570] i915:   INSTDONE_2: 0x00000000
[25339.805572] i915:   INSTDONE_3: 0x00000000
[25339.805575] i915:   INSTPS: 0x8001e120
[25339.805577] i915:   ACTHD: 0x09f09eec
[25339.805580] i915: page table error
[25339.805582] i915:   PGTBL_ER: 0x00100000
[25339.805631] [drm:i915_handle_error [i915]] *ERROR* EIR stuck: 0x00000010,
masking
[25339.805726] drm/i915: Resetting chip after gpu hang

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