Public bug reported:

Once again, the kernel fails to properly drive my TV card HVR-1300; I
just upgraded to kernel 3.5.0-30-generic; when I wanted to watch tv
using

mplayer tv:// -tv driver=v4l2:input=1:device=/dev/video0:norm=PAL-DK

the command just stalled, the process cannot be killed (kill -9 does
nothing) usual symptom of an hardware issue. Clear trace in kern.log :

May 20 07:25:58 power4 kernel: [   79.042837] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
720, h: 480, f: 4
May 20 09:10:13 power4 kernel: [ 6333.756460] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
720, h: 480, f: 4
May 20 09:10:13 power4 kernel: [ 6333.757391] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
720, h: 480, f: 4
May 20 09:10:13 power4 kernel: [ 6333.758441] cx88[0]/2-bb: VIDIOC_S_FMT: w: 
640, h: 480, f: 4
May 20 09:10:13 power4 kernel: [ 6333.758469] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 4
May 20 09:10:13 power4 kernel: [ 6333.758767] cx88[0]/2-bb: VIDIOC_S_FMT: w: 
640, h: 480, f: 0
May 20 09:10:13 power4 kernel: [ 6333.768317] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 0
May 20 09:10:13 power4 kernel: [ 6333.768324] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 0
May 20 09:10:13 power4 kernel: [ 6333.768326] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 0
May 20 09:10:13 power4 kernel: [ 6333.768419] ------------[ cut here 
]------------
May 20 09:10:13 power4 kernel: [ 6333.768422] kernel BUG at 
/build/buildd/linux-3.5.0/drivers/media/video/videobuf-core.c:300!
May 20 09:10:13 power4 kernel: [ 6333.768424] invalid opcode: 0000 [#1] SMP 
May 20 09:10:13 power4 kernel: [ 6333.768428] CPU 3 
May 20 09:10:13 power4 kernel: [ 6333.768429] Modules linked in: nls_utf8 udf 
pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) dm_crypt 
snd_usb_audio snd_usbmidi_lib autofs4 cx88_blackbird cx2341x cx22702 nvidia(PO) 
cx88_dvb cx88_vp3054_i2c videobuf_dvb dvb_core snd_soc_wm8776 snd_soc_core 
wm8775 tuner_simple tuner_types tda9887 tda8290 tuner snd_hda_codec_realtek 
bnep rfcomm snd_hda_intel bluetooth snd_hda_codec cx8802 cx88_alsa cx8800 
cx88xx kvm_intel snd_hwdep rc_core kvm snd_pcm gspca_ov519 i2c_algo_bit 
snd_seq_midi gspca_main snd_rawmidi snd_seq_midi_event snd_seq snd_timer 
snd_seq_device tveeprom joydev gpio_ich v4l2_common videobuf_dma_sg parport_pc 
videodev snd ppdev videobuf_core btcx_risc soundcore microcode snd_page_alloc 
serio_raw mac_hid lpc_ich asus_atk0110 hwmon_vid coretemp nfsd nfs lockd 
fscache auth_rpcgss nfs_acl sunrpc lp parport binfmt_misc raid10 raid456 
async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 
raid0 multipath linear hid_generic usbhid hid fire
May 20 09:10:13 power4 kernel: wire_ohci firewire_core floppy atl1 crc_itu_t 
ahci libahci pata_jmicron
May 20 09:10:13 power4 kernel: [ 6333.768495] 
May 20 09:10:13 power4 kernel: [ 6333.768497] Pid: 4509, comm: mplayer Tainted: 
P           O 3.5.0-30-generic #51-Ubuntu System manufacturer P5K/P5K
May 20 09:10:13 power4 kernel: [ 6333.768501] RIP: 0010:[<ffffffffa029b4a3>]  
[<ffffffffa029b4a3>] videobuf_next_field+0x43/0x50 [videobuf_core]
May 20 09:10:13 power4 kernel: [ 6333.768509] RSP: 0018:ffff880088b5bbe8  
EFLAGS: 00010246
May 20 09:10:13 power4 kernel: [ 6333.768511] RAX: 0000000000000000 RBX: 
ffff8800c538de08 RCX: 0000000000000000
May 20 09:10:13 power4 kernel: [ 6333.768513] RDX: 0000000000000000 RSI: 
0000000020070728 RDI: ffff8800c538de08
May 20 09:10:13 power4 kernel: [ 6333.768515] RBP: ffff880088b5bbe8 R08: 
0000000000000000 R09: ffff8801226479c0
May 20 09:10:13 power4 kernel: [ 6333.768516] R10: 0000000000000000 R11: 
ffff8800c538de00 R12: ffff880088b5bd80
May 20 09:10:13 power4 kernel: [ 6333.768518] R13: ffff880088b5bd80 R14: 
ffff8800c538d800 R15: ffff880018345b00
May 20 09:10:13 power4 kernel: [ 6333.768520] FS:  00007ffb4377f780(0000) 
GS:ffff88012fd80000(0000) knlGS:0000000000000000
May 20 09:10:13 power4 kernel: [ 6333.768522] CS:  0010 DS: 0000 ES: 0000 CR0: 
0000000080050033
May 20 09:10:13 power4 kernel: [ 6333.768524] CR2: 0000000001241588 CR3: 
00000000a6b4f000 CR4: 00000000000007e0
May 20 09:10:13 power4 kernel: [ 6333.768526] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
May 20 09:10:13 power4 kernel: [ 6333.768528] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
May 20 09:10:13 power4 kernel: [ 6333.768530] Process mplayer (pid: 4509, 
threadinfo ffff880088b5a000, task ffff88012577c500)
May 20 09:10:13 power4 kernel: [ 6333.768531] Stack:
May 20 09:10:13 power4 kernel: [ 6333.768532]  ffff880088b5bc28 
ffffffffa029c994 ffff880088b5bc28 ffff880126ad9400
May 20 09:10:13 power4 kernel: [ 6333.768537]  00000000c058560f 
ffff880088b5bd80 0000000000000000 ffff880018345b00
May 20 09:10:13 power4 kernel: [ 6333.768540]  ffff880088b5bc38 
ffffffffa0526745 ffff880088b5bd28 ffffffffa02cd1e4
May 20 09:10:13 power4 kernel: [ 6333.768544] Call Trace:
May 20 09:10:13 power4 kernel: [ 6333.768550]  [<ffffffffa029c994>] 
videobuf_qbuf+0x324/0x520 [videobuf_core]
May 20 09:10:13 power4 kernel: [ 6333.768555]  [<ffffffffa0526745>] 
vidioc_qbuf+0x15/0x20 [cx88_blackbird]
May 20 09:10:13 power4 kernel: [ 6333.768563]  [<ffffffffa02cd1e4>] 
__video_do_ioctl+0x1014/0x4c70 [videodev]
May 20 09:10:13 power4 kernel: [ 6333.768569]  [<ffffffff8116e228>] ? 
kmem_cache_alloc_trace+0x38/0x130
May 20 09:10:13 power4 kernel: [ 6333.768574]  [<ffffffffa02e9384>] ? 
__videobuf_mmap_mapper+0x94/0x1f0 [videobuf_dma_sg]
May 20 09:10:13 power4 kernel: [ 6333.768579]  [<ffffffffa02e9384>] ? 
__videobuf_mmap_mapper+0x94/0x1f0 [videobuf_dma_sg]
May 20 09:10:13 power4 kernel: [ 6333.768584]  [<ffffffff8132e999>] ? 
prio_tree_insert+0x29/0x230
May 20 09:10:13 power4 kernel: [ 6333.768590]  [<ffffffffa02cbd85>] 
video_usercopy+0x195/0x5c0 [videodev]
May 20 09:10:13 power4 kernel: [ 6333.768596]  [<ffffffffa02cc1d0>] ? 
video_ioctl2+0x20/0x20 [videodev]
May 20 09:10:13 power4 kernel: [ 6333.768602]  [<ffffffffa02cc1c5>] 
video_ioctl2+0x15/0x20 [videodev]
May 20 09:10:13 power4 kernel: [ 6333.768607]  [<ffffffffa02ca70f>] 
v4l2_ioctl+0x18f/0x1b0 [videodev]
May 20 09:10:13 power4 kernel: [ 6333.768611]  [<ffffffff811942f9>] 
do_vfs_ioctl+0x99/0x590
May 20 09:10:13 power4 kernel: [ 6333.768615]  [<ffffffff8113f128>] ? 
vm_mmap_pgoff+0x88/0xb0
May 20 09:10:13 power4 kernel: [ 6333.768618]  [<ffffffff81194889>] 
sys_ioctl+0x99/0xa0
May 20 09:10:13 power4 kernel: [ 6333.768623]  [<ffffffff8168a029>] 
system_call_fastpath+0x16/0x1b
May 20 09:10:13 power4 kernel: [ 6333.768625] Code: 0f 1f 84 00 00 00 00 00 83 
7f 60 02 74 12 b8 02 00 00 00 c7 47 60 02 00 00 00 5d c3 0f 1f 40 00 b0 03 c7 
47 60 03 00 00 00 5d c3 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 66 
66 66 66 
May 20 09:10:13 power4 kernel: [ 6333.768658] RIP  [<ffffffffa029b4a3>] 
videobuf_next_field+0x43/0x50 [videobuf_core]
May 20 09:10:13 power4 kernel: [ 6333.768662]  RSP <ffff880088b5bbe8>
May 20 09:10:13 power4 kernel: [ 6333.768666] ---[ end trace 58542dd85a1d6ca9 
]---

surprisingly, kernel v3.4.0-5-generic supported my card correctly out-
of-the-box (miracles happen !) I guess I am going to boot with this one,
and (patiently) wait for a fix ...

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: xorg 1:7.7+1ubuntu4
ProcVersionSignature: Ubuntu 3.5.0-30.51-generic 3.5.7.9
Uname: Linux 3.5.0-30-generic x86_64
NonfreeKernelModules: nvidia
.proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0'
.proc.driver.nvidia.registry: Binary: ""
.proc.driver.nvidia.version:
 NVRM version: NVIDIA UNIX x86_64 Kernel Module  304.88  Wed Mar 27 14:26:46 
PDT 2013
 GCC version:  gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1)
.tmp.unity.support.test.0:
 
ApportVersion: 2.6.1-0ubuntu10
Architecture: amd64
CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
CompositorRunning: kwin
Date: Mon May 20 09:14:24 2013
DistUpgraded: Fresh install
DistroCodename: quantal
DistroVariant: kubuntu
DkmsStatus:
 nvidia-current, 304.88, 3.4.0-5-generic, x86_64: installed
 nvidia-current, 304.88, 3.5.0-27-generic, x86_64: installed
 nvidia-current, 304.88, 3.5.0-30-generic, x86_64: installed
 vboxhost, 4.2.12, 3.4.0-5-generic, x86_64: installed
 vboxhost, 4.2.12, 3.5.0-30-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
 NVIDIA Corporation G84 [GeForce 8600 GT] [10de:0402] (rev a1) (prog-if 00 [VGA 
controller])
   Subsystem: Giga-byte Technology Device [1458:3452]
InstallationDate: Installed on 2013-04-30 (19 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120612)
MachineType: System manufacturer P5K
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-30-generic 
root=UUID=fbd53707-54db-428e-86da-649b4e52b089 ro
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/14/2008
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1201
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5K
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1201:bd10/14/2008:svnSystemmanufacturer:pnP5K:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5K:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5K
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
version.compiz: compiz 1:0.9.8.6-0ubuntu1
version.ia32-libs: ia32-libs 20090808ubuntu36
version.libdrm2: libdrm2 2.4.43-0ubuntu0.1
version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.3-0ubuntu0.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.3-0ubuntu0.1
version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.99.99~git20120913.8637f772-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2.1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.2-0ubuntu3

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug kubuntu quantal

-- 
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https://bugs.launchpad.net/bugs/1181953

Title:
  kernel bug related to my TV/capture card

Status in “xorg” package in Ubuntu:
  New

Bug description:
  Once again, the kernel fails to properly drive my TV card HVR-1300; I
  just upgraded to kernel 3.5.0-30-generic; when I wanted to watch tv
  using

  mplayer tv:// -tv driver=v4l2:input=1:device=/dev/video0:norm=PAL-DK

  the command just stalled, the process cannot be killed (kill -9 does
  nothing) usual symptom of an hardware issue. Clear trace in kern.log :

  May 20 07:25:58 power4 kernel: [   79.042837] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
720, h: 480, f: 4
  May 20 09:10:13 power4 kernel: [ 6333.756460] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
720, h: 480, f: 4
  May 20 09:10:13 power4 kernel: [ 6333.757391] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
720, h: 480, f: 4
  May 20 09:10:13 power4 kernel: [ 6333.758441] cx88[0]/2-bb: VIDIOC_S_FMT: w: 
640, h: 480, f: 4
  May 20 09:10:13 power4 kernel: [ 6333.758469] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 4
  May 20 09:10:13 power4 kernel: [ 6333.758767] cx88[0]/2-bb: VIDIOC_S_FMT: w: 
640, h: 480, f: 0
  May 20 09:10:13 power4 kernel: [ 6333.768317] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 0
  May 20 09:10:13 power4 kernel: [ 6333.768324] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 0
  May 20 09:10:13 power4 kernel: [ 6333.768326] cx88[0]/2-bb: VIDIOC_G_FMT: w: 
640, h: 480, f: 0
  May 20 09:10:13 power4 kernel: [ 6333.768419] ------------[ cut here 
]------------
  May 20 09:10:13 power4 kernel: [ 6333.768422] kernel BUG at 
/build/buildd/linux-3.5.0/drivers/media/video/videobuf-core.c:300!
  May 20 09:10:13 power4 kernel: [ 6333.768424] invalid opcode: 0000 [#1] SMP 
  May 20 09:10:13 power4 kernel: [ 6333.768428] CPU 3 
  May 20 09:10:13 power4 kernel: [ 6333.768429] Modules linked in: nls_utf8 udf 
pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) dm_crypt 
snd_usb_audio snd_usbmidi_lib autofs4 cx88_blackbird cx2341x cx22702 nvidia(PO) 
cx88_dvb cx88_vp3054_i2c videobuf_dvb dvb_core snd_soc_wm8776 snd_soc_core 
wm8775 tuner_simple tuner_types tda9887 tda8290 tuner snd_hda_codec_realtek 
bnep rfcomm snd_hda_intel bluetooth snd_hda_codec cx8802 cx88_alsa cx8800 
cx88xx kvm_intel snd_hwdep rc_core kvm snd_pcm gspca_ov519 i2c_algo_bit 
snd_seq_midi gspca_main snd_rawmidi snd_seq_midi_event snd_seq snd_timer 
snd_seq_device tveeprom joydev gpio_ich v4l2_common videobuf_dma_sg parport_pc 
videodev snd ppdev videobuf_core btcx_risc soundcore microcode snd_page_alloc 
serio_raw mac_hid lpc_ich asus_atk0110 hwmon_vid coretemp nfsd nfs lockd 
fscache auth_rpcgss nfs_acl sunrpc lp parport binfmt_misc raid10 raid456 
async_pq async_xor xor async_memcpy async_raid6_recov raid6_pq async_tx raid1 
raid0 multipath linear hid_generic usbhid hid fire
  May 20 09:10:13 power4 kernel: wire_ohci firewire_core floppy atl1 crc_itu_t 
ahci libahci pata_jmicron
  May 20 09:10:13 power4 kernel: [ 6333.768495] 
  May 20 09:10:13 power4 kernel: [ 6333.768497] Pid: 4509, comm: mplayer 
Tainted: P           O 3.5.0-30-generic #51-Ubuntu System manufacturer P5K/P5K
  May 20 09:10:13 power4 kernel: [ 6333.768501] RIP: 0010:[<ffffffffa029b4a3>]  
[<ffffffffa029b4a3>] videobuf_next_field+0x43/0x50 [videobuf_core]
  May 20 09:10:13 power4 kernel: [ 6333.768509] RSP: 0018:ffff880088b5bbe8  
EFLAGS: 00010246
  May 20 09:10:13 power4 kernel: [ 6333.768511] RAX: 0000000000000000 RBX: 
ffff8800c538de08 RCX: 0000000000000000
  May 20 09:10:13 power4 kernel: [ 6333.768513] RDX: 0000000000000000 RSI: 
0000000020070728 RDI: ffff8800c538de08
  May 20 09:10:13 power4 kernel: [ 6333.768515] RBP: ffff880088b5bbe8 R08: 
0000000000000000 R09: ffff8801226479c0
  May 20 09:10:13 power4 kernel: [ 6333.768516] R10: 0000000000000000 R11: 
ffff8800c538de00 R12: ffff880088b5bd80
  May 20 09:10:13 power4 kernel: [ 6333.768518] R13: ffff880088b5bd80 R14: 
ffff8800c538d800 R15: ffff880018345b00
  May 20 09:10:13 power4 kernel: [ 6333.768520] FS:  00007ffb4377f780(0000) 
GS:ffff88012fd80000(0000) knlGS:0000000000000000
  May 20 09:10:13 power4 kernel: [ 6333.768522] CS:  0010 DS: 0000 ES: 0000 
CR0: 0000000080050033
  May 20 09:10:13 power4 kernel: [ 6333.768524] CR2: 0000000001241588 CR3: 
00000000a6b4f000 CR4: 00000000000007e0
  May 20 09:10:13 power4 kernel: [ 6333.768526] DR0: 0000000000000000 DR1: 
0000000000000000 DR2: 0000000000000000
  May 20 09:10:13 power4 kernel: [ 6333.768528] DR3: 0000000000000000 DR6: 
00000000ffff0ff0 DR7: 0000000000000400
  May 20 09:10:13 power4 kernel: [ 6333.768530] Process mplayer (pid: 4509, 
threadinfo ffff880088b5a000, task ffff88012577c500)
  May 20 09:10:13 power4 kernel: [ 6333.768531] Stack:
  May 20 09:10:13 power4 kernel: [ 6333.768532]  ffff880088b5bc28 
ffffffffa029c994 ffff880088b5bc28 ffff880126ad9400
  May 20 09:10:13 power4 kernel: [ 6333.768537]  00000000c058560f 
ffff880088b5bd80 0000000000000000 ffff880018345b00
  May 20 09:10:13 power4 kernel: [ 6333.768540]  ffff880088b5bc38 
ffffffffa0526745 ffff880088b5bd28 ffffffffa02cd1e4
  May 20 09:10:13 power4 kernel: [ 6333.768544] Call Trace:
  May 20 09:10:13 power4 kernel: [ 6333.768550]  [<ffffffffa029c994>] 
videobuf_qbuf+0x324/0x520 [videobuf_core]
  May 20 09:10:13 power4 kernel: [ 6333.768555]  [<ffffffffa0526745>] 
vidioc_qbuf+0x15/0x20 [cx88_blackbird]
  May 20 09:10:13 power4 kernel: [ 6333.768563]  [<ffffffffa02cd1e4>] 
__video_do_ioctl+0x1014/0x4c70 [videodev]
  May 20 09:10:13 power4 kernel: [ 6333.768569]  [<ffffffff8116e228>] ? 
kmem_cache_alloc_trace+0x38/0x130
  May 20 09:10:13 power4 kernel: [ 6333.768574]  [<ffffffffa02e9384>] ? 
__videobuf_mmap_mapper+0x94/0x1f0 [videobuf_dma_sg]
  May 20 09:10:13 power4 kernel: [ 6333.768579]  [<ffffffffa02e9384>] ? 
__videobuf_mmap_mapper+0x94/0x1f0 [videobuf_dma_sg]
  May 20 09:10:13 power4 kernel: [ 6333.768584]  [<ffffffff8132e999>] ? 
prio_tree_insert+0x29/0x230
  May 20 09:10:13 power4 kernel: [ 6333.768590]  [<ffffffffa02cbd85>] 
video_usercopy+0x195/0x5c0 [videodev]
  May 20 09:10:13 power4 kernel: [ 6333.768596]  [<ffffffffa02cc1d0>] ? 
video_ioctl2+0x20/0x20 [videodev]
  May 20 09:10:13 power4 kernel: [ 6333.768602]  [<ffffffffa02cc1c5>] 
video_ioctl2+0x15/0x20 [videodev]
  May 20 09:10:13 power4 kernel: [ 6333.768607]  [<ffffffffa02ca70f>] 
v4l2_ioctl+0x18f/0x1b0 [videodev]
  May 20 09:10:13 power4 kernel: [ 6333.768611]  [<ffffffff811942f9>] 
do_vfs_ioctl+0x99/0x590
  May 20 09:10:13 power4 kernel: [ 6333.768615]  [<ffffffff8113f128>] ? 
vm_mmap_pgoff+0x88/0xb0
  May 20 09:10:13 power4 kernel: [ 6333.768618]  [<ffffffff81194889>] 
sys_ioctl+0x99/0xa0
  May 20 09:10:13 power4 kernel: [ 6333.768623]  [<ffffffff8168a029>] 
system_call_fastpath+0x16/0x1b
  May 20 09:10:13 power4 kernel: [ 6333.768625] Code: 0f 1f 84 00 00 00 00 00 
83 7f 60 02 74 12 b8 02 00 00 00 c7 47 60 02 00 00 00 5d c3 0f 1f 40 00 b0 03 
c7 47 60 03 00 00 00 5d c3 <0f> 0b 66 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 
66 66 66 66 
  May 20 09:10:13 power4 kernel: [ 6333.768658] RIP  [<ffffffffa029b4a3>] 
videobuf_next_field+0x43/0x50 [videobuf_core]
  May 20 09:10:13 power4 kernel: [ 6333.768662]  RSP <ffff880088b5bbe8>
  May 20 09:10:13 power4 kernel: [ 6333.768666] ---[ end trace 58542dd85a1d6ca9 
]---

  surprisingly, kernel v3.4.0-5-generic supported my card correctly out-
  of-the-box (miracles happen !) I guess I am going to boot with this
  one, and (patiently) wait for a fix ...

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: xorg 1:7.7+1ubuntu4
  ProcVersionSignature: Ubuntu 3.5.0-30.51-generic 3.5.7.9
  Uname: Linux 3.5.0-30-generic x86_64
  NonfreeKernelModules: nvidia
  .proc.driver.nvidia.gpus.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  304.88  Wed Mar 27 14:26:46 
PDT 2013
   GCC version:  gcc version 4.7.2 (Ubuntu/Linaro 4.7.2-2ubuntu1)
  .tmp.unity.support.test.0:
   
  ApportVersion: 2.6.1-0ubuntu10
  Architecture: amd64
  CompizPlugins: 
[core,composite,opengl,compiztoolbox,decor,vpswitch,snap,mousepoll,resize,place,move,wall,grid,regex,imgpng,session,gnomecompat,animation,fade,unitymtgrabhandles,workarounds,scale,expo,ezoom,unityshell]
  CompositorRunning: kwin
  Date: Mon May 20 09:14:24 2013
  DistUpgraded: Fresh install
  DistroCodename: quantal
  DistroVariant: kubuntu
  DkmsStatus:
   nvidia-current, 304.88, 3.4.0-5-generic, x86_64: installed
   nvidia-current, 304.88, 3.5.0-27-generic, x86_64: installed
   nvidia-current, 304.88, 3.5.0-30-generic, x86_64: installed
   vboxhost, 4.2.12, 3.4.0-5-generic, x86_64: installed
   vboxhost, 4.2.12, 3.5.0-30-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   NVIDIA Corporation G84 [GeForce 8600 GT] [10de:0402] (rev a1) (prog-if 00 
[VGA controller])
     Subsystem: Giga-byte Technology Device [1458:3452]
  InstallationDate: Installed on 2013-04-30 (19 days ago)
  InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120612)
  MachineType: System manufacturer P5K
  MarkForUpload: True
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-30-generic 
root=UUID=fbd53707-54db-428e-86da-649b4e52b089 ro
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/14/2008
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 1201
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: P5K
  dmi.board.vendor: ASUSTeK Computer INC.
  dmi.board.version: Rev 1.xx
  dmi.chassis.asset.tag: Asset-1234567890
  dmi.chassis.type: 3
  dmi.chassis.vendor: Chassis Manufacture
  dmi.chassis.version: Chassis Version
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr1201:bd10/14/2008:svnSystemmanufacturer:pnP5K:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5K:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
  dmi.product.name: P5K
  dmi.product.version: System Version
  dmi.sys.vendor: System manufacturer
  version.compiz: compiz 1:0.9.8.6-0ubuntu1
  version.ia32-libs: ia32-libs 20090808ubuntu36
  version.libdrm2: libdrm2 2.4.43-0ubuntu0.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 9.0.3-0ubuntu0.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 9.0.3-0ubuntu0.1
  version.nvidia-graphics-drivers: nvidia-graphics-drivers N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.13.0-0ubuntu6.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.7.3-0ubuntu2
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 
1:6.99.99~git20120913.8637f772-0ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.20.9-0ubuntu2.1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.2-0ubuntu3

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