[Bug 83743] New: GPU HANG: ecode -1:0x00000000, reason: Command parser error, iir 0x00008000, action: continue

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83743

          Priority: medium
            Bug ID: 83743
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: GPU HANG: ecode -1:0x00000000, reason: Command parser
                    error, iir 0x00008000, action: continue
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: gajownik at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 106094
  --> https://bugs.freedesktop.org/attachment.cgi?id=106094&action=edit
/sys/class/drm/card0/error

Hi Team,

sometimes (I think that it happens only after coldboot) video card fails to
initialize during system startup:

[    1.610542] [drm] Initialized drm 1.1.0 20060810
[    1.635836] [drm] Memory usable by graphics device = 2048M
[    1.635840] [drm] Replacing VGA console driver
[    1.636458] Console: switching to colour dummy device 80x25
[    1.643179] i915 0000:00:02.0: irq 45 for MSI/MSI-X
[    1.643190] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    1.643191] [drm] Driver supports precise vblank timestamp query.
[    1.643353] vgaarb: device changed decodes:
PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[    1.646486] [drm] GPU HANG: ecode -1:0x00000000, reason: Command parser
error, iir 0x00008000, action: continue
[    1.646489] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[    1.646491] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[    1.646492] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[    1.646493] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[    1.646495] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[    1.646496] i915: render error detected, EIR: 0x00000010
[    1.646501] i915:   IPEIR: 0x00000000
[    1.646503] i915:   IPEHR: 0x00000000
[    1.646505] i915:   INSTDONE_0: 0xffffffff
[    1.646507] i915:   INSTDONE_1: 0xbfffffff
[    1.646508] i915:   INSTDONE_2: 0x00000000
[    1.646510] i915:   INSTDONE_3: 0x00000000
[    1.646512] i915:   INSTPS: 0x8001e037
[    1.646514] i915:   ACTHD: 0x0007c154
[    1.646516] i915: page table error
[    1.646517] i915:   PGTBL_ER: 0x00000002
[    1.646521] [drm:i915_report_and_clear_eir] *ERROR* EIR stuck: 0x00000010,
masking

I have to reload the system and after that it works as expected. I saw similar
bug reports but I'm not sure if it's a duplicate or a new bug.

Fedora 20
kernel-3.16.2-200.fc20.x86_64
libdrm-2.4.54-1.fc20.x86_64
mesa-libGL-10.1.5-1.20140607.fc20.x86_64
xorg-x11-server-Xorg-1.14.4-11.fc20.x86_64

# lspci -vnn | grep VGA -A 15
00:02.0 VGA compatible controller [0300]: Intel Corporation 4 Series Chipset
Integrated Graphics Controller [8086:2e12] (rev 03) (prog-if 00 [VGA
controller])
    Subsystem: Fujitsu Technology Solutions Device [1734:114c]
    Flags: bus master, fast devsel, latency 0, IRQ 45
    Memory at fc000000 (64-bit, non-prefetchable) [size=4M]
    Memory at e0000000 (64-bit, prefetchable) [size=256M]
    I/O ports at 1c70 [size=8]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
    Capabilities: [d0] Power Management version 2
    Kernel driver in use: i915
    Kernel modules: i915

00:02.1 Display controller [0380]: Intel Corporation 4 Series Chipset
Integrated Graphics Controller [8086:2e13] (rev 03)
    Subsystem: Fujitsu Technology Solutions Device [1734:114c]

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