[Bug 82095] New: [845G] GPU HANG: ecode -1:0x00000000, reason: Command parser error, iir 0x0 0008040, action: continue

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82095

          Priority: medium
            Bug ID: 82095
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [845G] GPU HANG: ecode -1:0x00000000, reason: Command
                    parser error, iir 0x0 0008040, action: continue
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: d.g.gorbachev at gmail.com
          Hardware: x86 (IA32)
            Status: NEW
           Version: DRI CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 103910
  --> https://bugs.freedesktop.org/attachment.cgi?id=103910&action=edit
/sys/class/drm/card0/error

Kernel Linux 3.15.7-gnu; distribution Parabola GNU/Linux (xf86-video-intel
2.99.914-1, xorg-server-libre 1.16.0-5, mesa 10.2.4-1, libdrm 2.4.56-1).

>From the log:

kernel: Linux agpgart interface v0.103
kernel: agpgart-intel 0000:00:00.0: Intel 845G Chipset
kernel: agpgart-intel 0000:00:00.0: detected gtt size: 131072K total, 131072K
mappable
kernel: agpgart-intel 0000:00:00.0: detected 512K stolen memory
kernel: agpgart-intel 0000:00:00.0: AGP aperture is 128M @ 0xe0000000
kernel: [drm] Initialized drm 1.1.0 20060810
kernel: [drm] Memory usable by graphics device = 128M
kernel: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
kernel: [drm] Driver supports precise vblank timestamp query.
kernel: i915 0000:00:02.0: BAR 6: can't assign [??? 0x00000000 flags
0x20000000] (bogus alignment)
kernel: [drm] failed to find VBIOS tables
kernel: vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
kernel: [drm] initialized overlay support
kernel: [drm] Got external EDID base block and 0 extensions from
"edid/edid.bin" for connector "VGA-1"
kernel: i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
kernel: i915 0000:00:02.0: registered panic notifier
kernel: [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0

and:

kernel: [drm] GPU HANG: ecode -1:0x00000000, reason: Command parser error, iir
0x00008040, action: continue
kernel: [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack,
including userspace.
kernel: [drm] Please file a _new_ bug report on bugs.freedesktop.org against
DRI -> DRM/Intel
kernel: [drm] drm/i915 developers can then reassign to the right component if
it's not a kernel issue.
kernel: [drm] The gpu crash dump is required to analyze gpu hangs, so please
always attach it.
kernel: [drm] GPU crash dump saved to /sys/class/drm/card0/error
kernel: i915: render error detected, EIR: 0x00000010
kernel: [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010, masking
kernel: [drm] GPU HANG: ecode -1:0x00000000, reason: Command parser error, iir
0x00008000, action: continue
kernel: i915: render error detected, EIR: 0x00000010

It happens at random.

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