[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 #9 from Vincent Legoll <vincent.legoll at gmail.com> ---
This is today's...

[  999.816107] [drm] stuck on render ring
[  999.820923] [drm] GPU HANG: ecode 4:0:0xfaffffff, in Xorg [606], reason:
Ring hung, action: reset
[  999.820927] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  999.820928] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  999.820930] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  999.820932] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  999.820934] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  999.820936] i915: render error detected, EIR: 0x00000010
[  999.820940] i915:   IPEIR: 0x00000000
[  999.820941] i915:   IPEHR: 0x05000000
[  999.820943] i915:   INSTDONE_0: 0xffffffff
[  999.820945] i915:   INSTDONE_1: 0xbfffffff
[  999.820946] i915:   INSTDONE_2: 0x00000000
[  999.820948] i915:   INSTDONE_3: 0x00000000
[  999.820949] i915:   INSTPS: 0x8001e120
[  999.820951] i915:   ACTHD: 0x04ec1eac
[  999.820953] i915: page table error
[  999.820955] i915:   PGTBL_ER: 0x00100001
[  999.820968] [drm:i915_handle_error] *ERROR* EIR stuck: 0x00000010, masking
[  999.828112] drm/i915: Resetting chip after gpu hang
[ 1005.816108] [drm] stuck on render ring
[ 1005.821049] [drm] GPU HANG: ecode 4:0:0xfaffffff, in Xorg [606], reason:
Ring hung, action: reset
[ 1005.826409] [drm:i915_set_reset_status] *ERROR* gpu hanging too fast,
banning!
[ 1005.826453] drm/i915: Resetting chip after gpu hang

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