[sandybridge-gt1] False GPU lockup with WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413 __gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()

[iGadget]

This is the 'twin-brother' of bug 978221.

[ 824.506431] ------------[ cut here ]------------
[ 824.506449] WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413 __gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()
[ 824.506452] Hardware name: To Be Filled By O.E.M.
[ 824.506454] Modules linked in: rfcomm bnep bluetooth snd_hda_codec_hdmi snd_hda_codec_realtek snd_usb_audio snd_hda_intel snd_hda_codec snd_pcm joydev i915 drm_kms_helper drm i2c_algo_bit video pwc videobuf2_core videodev mei(C) v4l2_compat_ioctl32 snd_hwdep videobuf2_vmalloc snd_usbmidi_lib videobuf2_memops snd_seq_midi wacom snd_page_alloc mac_hid snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore ppdev parport_pc lp parport usbhid hid floppy r8169 usb_storage
[ 824.506494] Pid: 1092, comm: Xorg Tainted: G C 3.2.0-22-generic #35-Ubuntu
[ 824.506497] Call Trace:
[ 824.506505] [<ffffffff8106712f>] warn_slowpath_common+0x7f/0xc0
[ 824.506510] [<ffffffff8106718a>] warn_slowpath_null+0x1a/0x20
[ 824.506519] [<ffffffffa02059e4>] __gen6_gt_wait_for_fifo+0x94/0xa0 [i915]
[ 824.506528] [<ffffffffa0206065>] i915_write32+0xe5/0xf0 [i915]
[ 824.506544] [<ffffffffa0242cb2>] gen6_ring_get_irq+0xb2/0xd0 [i915]
[ 824.506558] [<ffffffffa0242ce8>] blt_ring_get_irq+0x18/0x20 [i915]
[ 824.506569] [<ffffffffa0217b73>] i915_wait_request+0x183/0x560 [i915]
[ 824.506575] [<ffffffff8108efeb>] ? __hrtimer_start_range_ns+0x16b/0x3a0
[ 824.506585] [<ffffffffa0217f82>] i915_gem_object_wait_rendering+0x32/0x40 [i915]
[ 824.506595] [<ffffffffa0218968>] i915_gem_object_set_cpu_read_domain_range+0x58/0x90 [i915]
[ 824.506605] [<ffffffffa0218e9e>] i915_gem_pread_ioctl+0x10e/0x200 [i915]
[ 824.506617] [<ffffffffa01a45d4>] drm_ioctl+0x444/0x510 [drm]
[ 824.506626] [<ffffffffa0218d90>] ? i915_gem_shmem_pread_slow.isra.35+0x3f0/0x3f0 [i915]
[ 824.506632] [<ffffffff8101dbd4>] ? restore_user_xstate+0x54/0xa0
[ 824.506637] [<ffffffff81189cfa>] do_vfs_ioctl+0x8a/0x340
[ 824.506641] [<ffffffff8118a041>] sys_ioctl+0x91/0xa0
[ 824.506646] [<ffffffff81664a82>] system_call_fastpath+0x16/0x1b
[ 824.506649] ---[ end trace f5639f491f1d025c ]---
[ 824.526415] ------------[ cut here ]------------

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
ProcVersionSignature: Ubuntu 3.2.0-22.35-generic 3.2.14
Uname: Linux 3.2.0-22-generic x86_64
.tmp.unity.support.test.0:

ApportVersion: 2.0-0ubuntu5
Architecture: amd64
Chipset: sandybridge-gt1
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
Date: Tue Apr 10 19:48:29 2012
DistUpgraded: Fresh install
DistroCodename: precise
DistroVariant: ubuntu
ExecutablePath: /usr/share/apport/apport-gpu-error-intel.py
ExtraDebuggingInterest: Yes, if not too technical
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120328)
InterpreterPath: /usr/bin/python2.7
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcCmdline: /usr/bin/python /usr/share/apport/apport-gpu-error-intel.py
ProcEnviron:

ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.2.0-22-generic root=UUID=b8328ab4-d5e1-474a-8d2b-c40789adaaa6 ro quiet splash vt.handoff=7
SourcePackage: xserver-xorg-video-intel
Title: [sandybridge-gt1] False GPU lockup
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

dmi.bios.date: 01/17/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P1.30
dmi.board.name: H67M-GE
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP1.30:bd01/17/2011:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH67M-GE:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz 1:0.9.7.4-0ubuntu3
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.32-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 8.0.2-0ubuntu3
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 8.0.2-0ubuntu3
version.xserver-xorg-core: xserver-xorg-core 2:1.11.4-0ubuntu10
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.0-0ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.99~git20111219.aacbd629-0ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.17.0-1ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20111201+b5534a1-1build2

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.