Michael Heimpold, what was the last Ubuntu release you ran that this did
not occur in?

** Summary changed:

- [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung 
+ WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413 
__gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()

** Summary changed:

- WARNING: at /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413 
__gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()
+ 8086:0102 WARNING: at 
/build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413 
__gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()

** Attachment removed: "AcpiTables.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153477/+files/AcpiTables.txt

** Attachment removed: "AlsaDevices.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153478/+files/AlsaDevices.txt

** Attachment removed: "AplayDevices.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153479/+files/AplayDevices.txt

** Attachment removed: "ArecordDevices.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153480/+files/ArecordDevices.txt

** Attachment removed: "BootDmesg.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153481/+files/BootDmesg.txt

** Attachment removed: "Card0.Amixer.values.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153482/+files/Card0.Amixer.values.txt

** Attachment removed: "Card0.Codecs.codec.0.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153483/+files/Card0.Codecs.codec.0.txt

** Attachment removed: "Card0.Codecs.codec.3.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153484/+files/Card0.Codecs.codec.3.txt

** Attachment removed: "CurrentDmesg.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153485/+files/CurrentDmesg.txt

** Attachment removed: "Lspci.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153487/+files/Lspci.txt

** Attachment removed: "Lsusb.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153488/+files/Lsusb.txt

** Attachment removed: "PciMultimedia.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153489/+files/PciMultimedia.txt

** Attachment removed: "IwConfig.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153486/+files/IwConfig.txt

** Attachment removed: "ProcInterrupts.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153491/+files/ProcInterrupts.txt

** Attachment removed: "ProcCpuinfo.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153490/+files/ProcCpuinfo.txt

** Attachment removed: "ProcModules.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153492/+files/ProcModules.txt

** Attachment removed: "UdevDb.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153493/+files/UdevDb.txt

** Attachment removed: "WifiSyslog.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153495/+files/WifiSyslog.txt

** Attachment removed: "UdevLog.txt"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1001594/+attachment/3153494/+files/UdevLog.txt

** Tags removed: apport-collected

** Description changed:

  I do not have any szenario howto reproduce this bug immediately.
  currently it occurs after a few minutes of working, or somethings after
  a few hours. Please advice howto debug further.
  
+ WORKAROUND: Using Gnome classic (No effects).
+ 
  ------------[ cut here ]------------
  [12296.354878] WARNING: at 
/build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413 
__gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()
- [12296.354881] Hardware name:         
+ [12296.354881] Hardware name:
  [12296.354882] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat 
snd_hrtimer pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) 8021q 
garp snd_atiixp_modem snd_via82xx_modem dm_crypt snd_intel8x0m snd_ac97_codec 
ac97_bus rfcomm bnep parport_pc ppdev nfsd nfs binfmt_misc lockd fscache 
auth_rpcgss nfs_acl sunrpc snd_hda_codec_hdmi snd_hda_codec_realtek pl2303 
usbserial btusb bluetooth snd_hda_intel snd_hda_codec snd_hwdep snd_pcm bridge 
stp snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer 
snd_seq_device snd psmouse serio_raw mei(C) soundcore snd_page_alloc shpchp 
lm75 coretemp mac_hid lp parport usbhid hid usb_storage uas i915 firewire_ohci 
firewire_core drm_kms_helper 8139too crc_itu_t 8139cp drm e1000e i2c_algo_bit 
video
  [12296.354936] Pid: 3273, comm: Xorg Tainted: P        WC O 3.2.0-24-generic 
#37-Ubuntu
  [12296.354938] Call Trace:
  [12296.354944]  [<ffffffff8106712f>] warn_slowpath_common+0x7f/0xc0
  [12296.354948]  [<ffffffff8106718a>] warn_slowpath_null+0x1a/0x20
  [12296.354958]  [<ffffffffa00d69e4>] __gen6_gt_wait_for_fifo+0x94/0xa0 [i915]
  [12296.354969]  [<ffffffffa00d7065>] i915_write32+0xe5/0xf0 [i915]
  [12296.354984]  [<ffffffffa0113311>] ring_write_tail+0x21/0x30 [i915]
  [12296.354997]  [<ffffffffa01159ae>] 
intel_emit_post_sync_nonzero_flush+0x17e/0x190 [i915]
  [12296.355010]  [<ffffffffa01159e3>] gen6_render_ring_flush+0x23/0xf0 [i915]
  [12296.355023]  [<ffffffffa00e856e>] i915_gem_flush_ring.part.26+0x3e/0xd0 
[i915]
  [12296.355035]  [<ffffffffa00e8f82>] ? 
i915_gem_object_wait_rendering+0x32/0x40 [i915]
  [12296.355047]  [<ffffffffa00e8fa9>] i915_gem_flush_ring+0x19/0x20 [i915]
  [12296.355059]  [<ffffffffa00edf70>] 
i915_gem_execbuffer_move_to_gpu+0x1b0/0x200 [i915]
  [12296.355071]  [<ffffffffa00ee65b>] 
i915_gem_do_execbuffer.isra.8+0x69b/0x940 [i915]
  [12296.355085]  [<ffffffffa00fe349>] ? intel_mark_busy+0xd9/0x110 [i915]
  [12296.355097]  [<ffffffffa00eedc3>] i915_gem_execbuffer2+0xa3/0x270 [i915]
  [12296.355109]  [<ffffffffa00165d4>] drm_ioctl+0x444/0x510 [drm]
  [12296.355121]  [<ffffffffa00eed20>] ? i915_gem_execbuffer+0x420/0x420 [i915]
  [12296.355126]  [<ffffffff8101dbd4>] ? restore_user_xstate+0x54/0xa0
  [12296.355130]  [<ffffffff81189cfa>] do_vfs_ioctl+0x8a/0x340
  [12296.355134]  [<ffffffff8118a041>] sys_ioctl+0x91/0xa0
  [12296.355138]  [<ffffffff81664a82>] system_call_fastpath+0x16/0x1b
  [12296.355141] ---[ end trace 4d17f652b64c7e0d ]---
  [12300.700616] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer 
elapsed... GPU hung
  [12300.702143] [drm] capturing error event; look for more information in 
/debug/dri/0/i915_error_state
  [12300.716574] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 
(awaiting 1545937 at 1545934, next 1545938)
  [12300.720281] [drm:init_ring_common] *ERROR* render ring initialization 
failed ctl 00000000 head 00000000 tail 00000000 start 00000000
  [12300.723831] [drm:init_ring_common] *ERROR* gen6 bsd ring initialization 
failed ctl 00000000 head 00000000 tail 00000000 start 00000000
  [12300.726871] [drm:init_ring_common] *ERROR* blt ring initialization failed 
ctl 00000000 head 00000000 tail 00000000 start 00000000
  [12302.543322] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer 
elapsed... GPU hung
  [12302.545349] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 
(awaiting 1545942 at 1545934, next 1545943)
  [12302.545436] [drm:i915_reset] *ERROR* GPU hanging too fast, declaring 
wedged!
  [12302.545439] [drm:i915_reset] *ERROR* Failed to reset chip.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-24-generic 3.2.0-24.37
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  AcpiTables: Error: command ['kdesudo', '--desktop', 
'/usr/share/applications/apport-kde-mime.desktop', '--', 'env', '-u', 
'LANGUAGE', 'LC_MESSAGES=C', '/usr/share/apport/dump_acpi_tables.py'] failed 
with exit code 1:
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  mhei       4436 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  mhei       4436 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  Card0.Amixer.info:
-  Card hw:0 'PCH'/'HDA Intel PCH at 0xfe720000 irq 55'
-    Mixer name : 'Intel CougarPoint HDMI'
-    Components : 'HDA:10ec0892,80862001,00100302 
HDA:80862805,80862805,00100000'
-    Controls      : 53
-    Simple ctrls  : 22
+  Card hw:0 'PCH'/'HDA Intel PCH at 0xfe720000 irq 55'
+    Mixer name : 'Intel CougarPoint HDMI'
+    Components : 'HDA:10ec0892,80862001,00100302 
HDA:80862805,80862805,00100000'
+    Controls      : 53
+    Simple ctrls  : 22
  CurrentDmesg:
-  Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg 
-'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
-  dmesg: write failed: Broken pipe
+  Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg 
-'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
+  dmesg: write failed: Broken pipe
  Date: Sat May 19 13:16:27 2012
  ProcEnviron:
-  TERM=xterm
-  SHELL=/bin/bash
-  PATH=(custom, user)
-  LANG=de_DE.UTF-8
-  LANGUAGE=
+  TERM=xterm
+  SHELL=/bin/bash
+  PATH=(custom, user)
+  LANG=de_DE.UTF-8
+  LANGUAGE=
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic 
root=/dev/mapper/vg0-root ro quiet splash vt.handoff=7
  RfKill:
-  0: hci0: Bluetooth
-       Soft blocked: no
-       Hard blocked: no
+  0: hci0: Bluetooth
+   Soft blocked: no
+   Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-05-11 (7 days ago)
  WifiSyslog:
-  
+ 
  dmi.bios.date: 11/15/2010
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BLH6710H.86A.0076.2010.1115.1959
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DH67GD
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAG10206-204
  dmi.chassis.type: 3
  dmi.modalias: 
dmi:bvnIntelCorp.:bvrBLH6710H.86A.0076.2010.1115.1959:bd11/15/2010:svn:pn:pvr:rvnIntelCorporation:rnDH67GD:rvrAAG10206-204:cvn:ct3:cvr:
- --- 
+ ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  mhei       4436 F.... pulseaudio
-  /dev/snd/seq:        timidity   3981 F.... timidity
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  mhei       4436 F.... pulseaudio
+  /dev/snd/seq:        timidity   3981 F.... timidity
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  Card0.Amixer.info:
-  Card hw:0 'PCH'/'HDA Intel PCH at 0xfe720000 irq 55'
-    Mixer name : 'Intel CougarPoint HDMI'
-    Components : 'HDA:10ec0892,80862001,00100302 
HDA:80862805,80862805,00100000'
-    Controls      : 53
-    Simple ctrls  : 22
+  Card hw:0 'PCH'/'HDA Intel PCH at 0xfe720000 irq 55'
+    Mixer name : 'Intel CougarPoint HDMI'
+    Components : 'HDA:10ec0892,80862001,00100302 
HDA:80862805,80862805,00100000'
+    Controls      : 53
+    Simple ctrls  : 22
  DistroRelease: Ubuntu 12.04
  HibernationDevice: RESUME=UUID=89b6692f-a4da-42d8-9ca7-d6260e2add73
  Package: linux (not installed)
  ProcEnviron:
-  SHELL=/bin/bash
-  TERM=xterm
-  LANG=de_DE.UTF-8
+  SHELL=/bin/bash
+  TERM=xterm
+  LANG=de_DE.UTF-8
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic 
root=/dev/mapper/vg0-root ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
-  linux-restricted-modules-3.2.0-24-generic N/A
-  linux-backports-modules-3.2.0-24-generic  N/A
-  linux-firmware                            1.79
+  linux-restricted-modules-3.2.0-24-generic N/A
+  linux-backports-modules-3.2.0-24-generic  N/A
+  linux-firmware                            1.79
  RfKill:
-  0: hci0: Bluetooth
-       Soft blocked: no
-       Hard blocked: no
+  0: hci0: Bluetooth
+   Soft blocked: no
+   Hard blocked: no
  StagingDrivers: mei
  Tags:  precise staging
  Uname: Linux 3.2.0-24-generic x86_64
  UpgradeStatus: Upgraded to precise on 2012-05-11 (7 days ago)
  UserGroups:
-  
+ 
  dmi.bios.date: 11/15/2010
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BLH6710H.86A.0076.2010.1115.1959
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DH67GD
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAG10206-204
  dmi.chassis.type: 3
  dmi.modalias: 
dmi:bvnIntelCorp.:bvrBLH6710H.86A.0076.2010.1115.1959:bd11/15/2010:svn:pn:pvr:rvnIntelCorporation:rnDH67GD:rvrAAG10206-204:cvn:ct3:cvr:

** Description changed:

  I do not have any szenario howto reproduce this bug immediately.
  currently it occurs after a few minutes of working, or somethings after
  a few hours. Please advice howto debug further.
  
  WORKAROUND: Using Gnome classic (No effects).
  
  ------------[ cut here ]------------
  [12296.354878] WARNING: at 
/build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413 
__gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()
  [12296.354881] Hardware name:
  [12296.354882] Modules linked in: nls_iso8859_1 nls_cp437 vfat fat 
snd_hrtimer pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) 8021q 
garp snd_atiixp_modem snd_via82xx_modem dm_crypt snd_intel8x0m snd_ac97_codec 
ac97_bus rfcomm bnep parport_pc ppdev nfsd nfs binfmt_misc lockd fscache 
auth_rpcgss nfs_acl sunrpc snd_hda_codec_hdmi snd_hda_codec_realtek pl2303 
usbserial btusb bluetooth snd_hda_intel snd_hda_codec snd_hwdep snd_pcm bridge 
stp snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer 
snd_seq_device snd psmouse serio_raw mei(C) soundcore snd_page_alloc shpchp 
lm75 coretemp mac_hid lp parport usbhid hid usb_storage uas i915 firewire_ohci 
firewire_core drm_kms_helper 8139too crc_itu_t 8139cp drm e1000e i2c_algo_bit 
video
  [12296.354936] Pid: 3273, comm: Xorg Tainted: P        WC O 3.2.0-24-generic 
#37-Ubuntu
  [12296.354938] Call Trace:
  [12296.354944]  [<ffffffff8106712f>] warn_slowpath_common+0x7f/0xc0
  [12296.354948]  [<ffffffff8106718a>] warn_slowpath_null+0x1a/0x20
  [12296.354958]  [<ffffffffa00d69e4>] __gen6_gt_wait_for_fifo+0x94/0xa0 [i915]
  [12296.354969]  [<ffffffffa00d7065>] i915_write32+0xe5/0xf0 [i915]
  [12296.354984]  [<ffffffffa0113311>] ring_write_tail+0x21/0x30 [i915]
  [12296.354997]  [<ffffffffa01159ae>] 
intel_emit_post_sync_nonzero_flush+0x17e/0x190 [i915]
  [12296.355010]  [<ffffffffa01159e3>] gen6_render_ring_flush+0x23/0xf0 [i915]
  [12296.355023]  [<ffffffffa00e856e>] i915_gem_flush_ring.part.26+0x3e/0xd0 
[i915]
  [12296.355035]  [<ffffffffa00e8f82>] ? 
i915_gem_object_wait_rendering+0x32/0x40 [i915]
  [12296.355047]  [<ffffffffa00e8fa9>] i915_gem_flush_ring+0x19/0x20 [i915]
  [12296.355059]  [<ffffffffa00edf70>] 
i915_gem_execbuffer_move_to_gpu+0x1b0/0x200 [i915]
  [12296.355071]  [<ffffffffa00ee65b>] 
i915_gem_do_execbuffer.isra.8+0x69b/0x940 [i915]
  [12296.355085]  [<ffffffffa00fe349>] ? intel_mark_busy+0xd9/0x110 [i915]
  [12296.355097]  [<ffffffffa00eedc3>] i915_gem_execbuffer2+0xa3/0x270 [i915]
  [12296.355109]  [<ffffffffa00165d4>] drm_ioctl+0x444/0x510 [drm]
  [12296.355121]  [<ffffffffa00eed20>] ? i915_gem_execbuffer+0x420/0x420 [i915]
  [12296.355126]  [<ffffffff8101dbd4>] ? restore_user_xstate+0x54/0xa0
  [12296.355130]  [<ffffffff81189cfa>] do_vfs_ioctl+0x8a/0x340
  [12296.355134]  [<ffffffff8118a041>] sys_ioctl+0x91/0xa0
  [12296.355138]  [<ffffffff81664a82>] system_call_fastpath+0x16/0x1b
  [12296.355141] ---[ end trace 4d17f652b64c7e0d ]---
  [12300.700616] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer 
elapsed... GPU hung
  [12300.702143] [drm] capturing error event; look for more information in 
/debug/dri/0/i915_error_state
  [12300.716574] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 
(awaiting 1545937 at 1545934, next 1545938)
  [12300.720281] [drm:init_ring_common] *ERROR* render ring initialization 
failed ctl 00000000 head 00000000 tail 00000000 start 00000000
  [12300.723831] [drm:init_ring_common] *ERROR* gen6 bsd ring initialization 
failed ctl 00000000 head 00000000 tail 00000000 start 00000000
  [12300.726871] [drm:init_ring_common] *ERROR* blt ring initialization failed 
ctl 00000000 head 00000000 tail 00000000 start 00000000
  [12302.543322] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer 
elapsed... GPU hung
  [12302.545349] [drm:i915_wait_request] *ERROR* i915_wait_request returns -11 
(awaiting 1545942 at 1545934, next 1545943)
  [12302.545436] [drm:i915_reset] *ERROR* GPU hanging too fast, declaring 
wedged!
  [12302.545439] [drm:i915_reset] *ERROR* Failed to reset chip.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-24-generic 3.2.0-24.37
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  AcpiTables: Error: command ['kdesudo', '--desktop', 
'/usr/share/applications/apport-kde-mime.desktop', '--', 'env', '-u', 
'LANGUAGE', 'LC_MESSAGES=C', '/usr/share/apport/dump_acpi_tables.py'] failed 
with exit code 1:
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  mhei       4436 F.... pulseaudio
  CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
  Card0.Amixer.info:
   Card hw:0 'PCH'/'HDA Intel PCH at 0xfe720000 irq 55'
     Mixer name : 'Intel CougarPoint HDMI'
     Components : 'HDA:10ec0892,80862001,00100302 
HDA:80862805,80862805,00100000'
     Controls      : 53
     Simple ctrls  : 22
  CurrentDmesg:
   Error: command ['sh', '-c', 'dmesg | comm -13 --nocheck-order /var/log/dmesg 
-'] failed with exit code 1: comm: /var/log/dmesg: Permission denied
   dmesg: write failed: Broken pipe
  Date: Sat May 19 13:16:27 2012
  ProcEnviron:
   TERM=xterm
   SHELL=/bin/bash
   PATH=(custom, user)
   LANG=de_DE.UTF-8
   LANGUAGE=
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic 
root=/dev/mapper/vg0-root ro quiet splash vt.handoff=7
  RfKill:
   0: hci0: Bluetooth
    Soft blocked: no
    Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-05-11 (7 days ago)
  WifiSyslog:
  
  dmi.bios.date: 11/15/2010
  dmi.bios.vendor: Intel Corp.
  dmi.bios.version: BLH6710H.86A.0076.2010.1115.1959
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: DH67GD
  dmi.board.vendor: Intel Corporation
  dmi.board.version: AAG10206-204
  dmi.chassis.type: 3
  dmi.modalias: 
dmi:bvnIntelCorp.:bvrBLH6710H.86A.0076.2010.1115.1959:bd11/15/2010:svn:pn:pvr:rvnIntelCorporation:rnDH67GD:rvrAAG10206-204:cvn:ct3:cvr:
- ---
- AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
- ApportVersion: 2.0.1-0ubuntu7
- Architecture: amd64
- AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  mhei       4436 F.... pulseaudio
-  /dev/snd/seq:        timidity   3981 F.... timidity
- CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 
not found.
- Card0.Amixer.info:
-  Card hw:0 'PCH'/'HDA Intel PCH at 0xfe720000 irq 55'
-    Mixer name : 'Intel CougarPoint HDMI'
-    Components : 'HDA:10ec0892,80862001,00100302 
HDA:80862805,80862805,00100000'
-    Controls      : 53
-    Simple ctrls  : 22
- DistroRelease: Ubuntu 12.04
- HibernationDevice: RESUME=UUID=89b6692f-a4da-42d8-9ca7-d6260e2add73
- Package: linux (not installed)
- ProcEnviron:
-  SHELL=/bin/bash
-  TERM=xterm
-  LANG=de_DE.UTF-8
- ProcFB: 0 inteldrmfb
- ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-24-generic 
root=/dev/mapper/vg0-root ro quiet splash vt.handoff=7
- ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
- PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No 
PulseAudio daemon running, or not running as session daemon.
- RelatedPackageVersions:
-  linux-restricted-modules-3.2.0-24-generic N/A
-  linux-backports-modules-3.2.0-24-generic  N/A
-  linux-firmware                            1.79
- RfKill:
-  0: hci0: Bluetooth
-   Soft blocked: no
-   Hard blocked: no
- StagingDrivers: mei
- Tags:  precise staging
- Uname: Linux 3.2.0-24-generic x86_64
- UpgradeStatus: Upgraded to precise on 2012-05-11 (7 days ago)
- UserGroups:
- 
- dmi.bios.date: 11/15/2010
- dmi.bios.vendor: Intel Corp.
- dmi.bios.version: BLH6710H.86A.0076.2010.1115.1959
- dmi.board.asset.tag: To be filled by O.E.M.
- dmi.board.name: DH67GD
- dmi.board.vendor: Intel Corporation
- dmi.board.version: AAG10206-204
- dmi.chassis.type: 3
- dmi.modalias: 
dmi:bvnIntelCorp.:bvrBLH6710H.86A.0076.2010.1115.1959:bd11/15/2010:svn:pn:pvr:rvnIntelCorporation:rnDH67GD:rvrAAG10206-204:cvn:ct3:cvr:

** Tags removed: kernel-bug-exists-upstream
** Tags added: kernel-bug-exists-upstream-v3.4-precise regression-release

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

** Tags added: kernel-graphics

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https://bugs.launchpad.net/bugs/1001594

Title:
  8086:0102 WARNING: at
  /build/buildd/linux-3.2.0/drivers/gpu/drm/i915/i915_drv.c:413
  __gen6_gt_wait_for_fifo+0x94/0xa0 [i915]()

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