Public bug reported:
Running Ubuntu 9.04 with linux-image-2.6.28-13-generic on Lenovo
Thinkpad T400. The system just hung with no apparent reason, only
responding to the magic sysrq keys. Syslog reports a kernel oops,
possibly relating to the i915 drm. Here's the part from syslog:
Jun 29 06:08:27 3CNL07826 NetworkManager: <info> Activation (wlan0) Stage 5 of
5 (IP Configure Commit) complete.
Jun 29 06:08:28 3CNL07826 ntpdate[28955]: step time server 91.189.94.4 offset
0.602108 sec
Jun 29 06:08:32 3CNL07826 kernel: [14553.568552] wlan0: no IPv6 routers present
Jun 29 06:08:33 3CNL07826 kernel: [14554.643494] end_request: I/O error, dev
sr0, sector 0
Jun 29 06:08:33 3CNL07826 kernel: [14554.643504] Buffer I/O error on device
sr0, logical block 0
Jun 29 06:08:33 3CNL07826 kernel: [14554.643516] Buffer I/O error on device
sr0, logical block 1
Jun 29 06:08:33 3CNL07826 kernel: [14554.643522] Buffer I/O error on device
sr0, logical block 2
Jun 29 06:08:33 3CNL07826 kernel: [14554.643527] Buffer I/O error on device
sr0, logical block 3
Jun 29 06:08:33 3CNL07826 kernel: [14554.665047] end_request: I/O error, dev
sr0, sector 0
Jun 29 06:08:33 3CNL07826 kernel: [14554.665056] Buffer I/O error on device
sr0, logical block 0
Jun 29 06:10:01 3CNL07826 /USR/SBIN/CRON[29702]: (root) CMD ([ -x
/usr/sbin/update-motd ] && /usr/sbin/update-motd 2>/dev/null)
Jun 29 06:12:24 3CNL07826 kernel: [14785.966424] ------------[ cut here
]------------
Jun 29 06:12:24 3CNL07826 kernel: [14785.966432] WARNING: at
/build/buildd/linux-2.6.28/lib/kref.c:43 kref_get+0x2d/0x30()
Jun 29 06:12:24 3CNL07826 kernel: [14785.966437] Modules linked in: tun
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
x_tables binfmt_misc i915 drm ppdev bridge stp bnep joydev input_polldev lp
parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy
snd_seq_oss arc4 snd_seq_midi ecb snd_rawmidi snd_seq_midi_event snd_seq
snd_timer snd_seq_device iwlagn iwlcore thinkpad_acpi pcmcia snd uvcvideo
psmouse led_class mac80211 compat_ioctl32 videodev video ricoh_mmc sdhci_pci
sdhci soundcore serio_raw yenta_socket rsrc_nonstatic pcmcia_core intel_agp
v4l1_compat nvram iTCO_wdt iTCO_vendor_support output snd_page_alloc cfg80211
btusb sha256_generic aes_x86_64 aes_generic cbc ohci1394 dm_crypt ieee1394
e1000e fbcon tileblit font bitblit softcursor
Jun 29 06:12:24 3CNL07826 kernel: [14785.966560] Pid: 6435, comm: Xorg Not
tainted 2.6.28-13-generic #44-Ubuntu
Jun 29 06:12:24 3CNL07826 kernel: [14785.966565] Call Trace:
Jun 29 06:12:24 3CNL07826 kernel: [14785.966576] [<ffffffff802509bf>]
warn_on_slowpath+0x5f/0x90
Jun 29 06:12:24 3CNL07826 kernel: [14785.966605] [<ffffffffa03c0faa>] ?
drm_gem_object_lookup+0x4a/0x60 [drm]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966622] [<ffffffffa03e3a92>] ?
i915_gem_object_pin_and_relocate+0x1a2/0x2e0 [i915]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966636] [<ffffffffa03e2440>] ?
i915_add_request+0x30/0x210 [i915]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966643] [<ffffffff80419abd>]
kref_get+0x2d/0x30
Jun 29 06:12:24 3CNL07826 kernel: [14785.966664] [<ffffffffa03c0fa2>]
drm_gem_object_lookup+0x42/0x60 [drm]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966679] [<ffffffffa03e1adf>]
i915_gem_busy_ioctl+0x3f/0xd0 [i915]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966700] [<ffffffffa03bf7fa>]
drm_ioctl+0x10a/0x330 [drm]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966710] [<ffffffff802106c5>] ?
__switch_to+0x2a5/0x490
Jun 29 06:12:24 3CNL07826 kernel: [14785.966723] [<ffffffffa03e1aa0>] ?
i915_gem_busy_ioctl+0x0/0xd0 [i915]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966732] [<ffffffff802f631d>]
vfs_ioctl+0x7d/0xa0
Jun 29 06:12:24 3CNL07826 kernel: [14785.966742] [<ffffffff80697e5c>] ?
thread_return+0x37/0x36b
Jun 29 06:12:24 3CNL07826 kernel: [14785.966749] [<ffffffff802f6685>]
do_vfs_ioctl+0x75/0x230
Jun 29 06:12:24 3CNL07826 kernel: [14785.966756] [<ffffffff802f68d9>]
sys_ioctl+0x99/0xa0
Jun 29 06:12:24 3CNL07826 kernel: [14785.966764] [<ffffffff802e82a0>] ?
sys_read+0x50/0x90
Jun 29 06:12:24 3CNL07826 kernel: [14786.966770] [<ffffffff8021253a>]
system_call_fastpath+0x16/0x1b
Jun 29 06:12:24 3CNL07826 kernel: [14785.966775] ---[ end trace
83ec8d82365d3af6 ]---
Jun 29 06:12:24 3CNL07826 kernel: [14785.966792] BUG: unable to handle kernel
NULL pointer dereference at 0000000000000020
Jun 29 06:12:24 3CNL07826 kernel: [14785.966800] IP: [<ffffffffa03e1aed>]
i915_gem_busy_ioctl+0x4d/0xd0 [i915]
Jun 29 06:12:24 3CNL07826 kernel: [14785.966814] PGD 114d58067 PUD 114c4d067
PMD 0
Jun 29 06:12:24 3CNL07826 kernel: [14785.966821] Oops: 0000 [#1] SMP
Jun 29 06:12:25 3CNL07826 kernel: [14785.966827] last sysfs file:
/sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/rfkill/rfkill1/state
Jun 29 06:12:25 3CNL07826 kernel: [14785.966835] Dumping ftrace buffer:
Jun 29 06:12:25 3CNL07826 kernel: [14785.966841] (ftrace buffer empty)
Jun 29 06:12:25 3CNL07826 kernel: [14785.966844] CPU 1
Jun 29 06:12:25 3CNL07826 kernel: [14785.966847] Modules linked in: tun
nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack iptable_filter ip_tables
x_tables binfmt_misc i915 drm ppdev bridge stp bnep joydev input_polldev lp
parport snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy
snd_seq_oss arc4 snd_seq_midi ecb snd_rawmidi snd_seq_midi_event snd_seq
snd_timer snd_seq_device iwlagn iwlcore thinkpad_acpi pcmcia snd uvcvideo
psmouse led_class mac80211 compat_ioctl32 videodev video ricoh_mmc sdhci_pci
sdhci soundcore serio_raw yenta_socket rsrc_nonstatic pcmcia_core intel_agp
v4l1_compat nvram iTCO_wdt iTCO_vendor_support output snd_page_alloc cfg80211
btusb sha256_generic aes_x86_64 aes_generic cbc ohci1394 dm_crypt ieee1394
e1000e fbcon tileblit font bitblit softcursor
Jun 29 06:12:25 3CNL07826 kernel: [14785.966959] Pid: 6435, comm: Xorg Tainted:
G W 2.6.28-13-generic #44-Ubuntu
Jun 29 06:12:25 3CNL07826 kernel: [14785.966964] RIP: 0010:[<ffffffffa03e1aed>]
[<ffffffffa03e1aed>] i915_gem_busy_ioctl+0x4d/0xd0 [i915]
Jun 29 06:12:25 3CNL07826 kernel: [14785.966979] RSP: 0018:ffff88011a9fbe38
EFLAGS: 00010246
Jun 29 06:12:25 3CNL07826 kernel: [14785.966983] RAX: 0000000000000000 RBX:
ffff880128855b00 RCX: 0000000000000000
Jun 29 06:12:25 3CNL07826 kernel: [14785.966988] RDX: ffff8801204c6c40 RSI:
0000000000000082 RDI: ffff880128855b68
Jun 29 06:12:25 3CNL07826 kernel: [14785.966993] RBP: ffff88011a9fbe58 R08:
0000000000000006 R09: 0000000000000000
Jun 29 06:12:25 3CNL07826 kernel: [14785.966997] R10: ffff88011a9fbb66 R11:
ffff88011a9fbb58 R12: ffff88013a0dd000
Jun 29 06:12:25 3CNL07826 kernel: [14785.967002] R13: ffff8800748e0b28 R14:
ffff88013a0dd028 R15: 00000000c0086457
Jun 29 06:12:25 3CNL07826 kernel: [14785.967008] FS: 00007f0e613a8700(0000)
GS:ffff88013b802d80(0000) knlGS:0000000000000000
Jun 29 06:12:25 3CNL07826 kernel: [14785.967013] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Jun 29 06:12:25 3CNL07826 kernel: [14785.967017] CR2: 0000000000000020 CR3:
000000012a13d000 CR4: 00000000000006a0
Jun 29 06:12:25 3CNL07826 kernel: [14785.967022] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Jun 29 06:12:25 3CNL07826 kernel: [14785.967026] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Jun 29 06:12:25 3CNL07826 kernel: [14785.967032] Process Xorg (pid: 6435,
threadinfo ffff88011a9fa000, task ffff88013a571660)
Jun 29 06:12:25 3CNL07826 kernel: [14785.967036] Stack:
Jun 29 06:12:25 3CNL07826 kernel: [14785.967039] 00000000fffffff4
ffff88013a0dd000 ffff880128855b00 ffff8800748e0b28
Jun 29 06:12:25 3CNL07826 kernel: [14785.967047] ffff88011a9fbeb8
ffffffffa03bf7fa ffffffff802106c5 ffff880120493150
Jun 29 06:12:25 3CNL07826 kernel: [14785.967056] ffffffffa03e1aa0
00007fff693d98f0 ffff88013a0dd044 ffff88011e46d6c0
Jun 29 06:12:25 3CNL07826 kernel: [14785.967066] Call Trace:
Jun 29 06:12:25 3CNL07826 kernel: [14785.967069] [<ffffffffa03bf7fa>]
drm_ioctl+0x10a/0x330 [drm]
Jun 29 06:12:25 3CNL07826 kernel: [14785.967091] [<ffffffff802106c5>] ?
__switch_to+0x2a5/0x490
Jun 29 06:12:25 3CNL07826 kernel: [14785.967100] [<ffffffffa03e1aa0>] ?
i915_gem_busy_ioctl+0x0/0xd0 [i915]
Jun 29 06:12:25 3CNL07826 kernel: [14785.967114] [<ffffffff802f631d>]
vfs_ioctl+0x7d/0xa0
Jun 29 06:12:25 3CNL07826 kernel: [14785.967121] [<ffffffff80697e5c>] ?
thread_return+0x37/0x36b
Jun 29 06:12:25 3CNL07826 kernel: [14785.967128] [<ffffffff802f6685>]
do_vfs_ioctl+0x75/0x230
Jun 29 06:12:25 3CNL07826 kernel: [14785.967136] [<ffffffff802f68d9>]
sys_ioctl+0x99/0xa0
Jun 29 06:12:25 3CNL07826 kernel: [14785.967143] [<ffffffff802e82a0>] ?
sys_read+0x50/0x90
Jun 29 06:12:25 3CNL07826 kernel: [14785.967150] [<ffffffff8021253a>]
system_call_fastpath+0x16/0x1b
Jun 29 06:12:25 3CNL07826 kernel: [14785.967157] Code: 89 f7 48 89 1c 24 48 89
d3 e8 10 6e 2b e0 41 8b 55 00 48 89 de 4c 89 e7 e8 81 f4 fd ff 48 85 c0 48 89
c2 74 54 48 8b 48 38 31 c0 <8b> 79 20 85 ff 75 3c 48 89 d7 48 c7 c6 10 0d 3c a0
41 89 45 04
Jun 29 06:12:25 3CNL07826 kernel: [14785.967228] RIP [<ffffffffa03e1aed>]
i915_gem_busy_ioctl+0x4d/0xd0 [i915]
Jun 29 06:12:25 3CNL07826 kernel: [14785.967241] RSP <ffff88011a9fbe38>
Jun 29 06:12:25 3CNL07826 kernel: [14785.967245] CR2: 0000000000000020
Jun 29 06:12:25 3CNL07826 kernel: [14785.967249] ---[ end trace
83ec8d82365d3af6 ]---
Jun 29 06:13:13 3CNL07826 anacron[28604]: Job `cron.daily' started
Jun 29 06:13:13 3CNL07826 anacron[31071]: Updated timestamp for job
`cron.daily' to 2009-06-29
Jun 29 06:13:26 3CNL07826 kernel: [14847.255571] SysRq : Emergency Sync
Jun 29 06:13:26 3CNL07826 kernel: [14847.259758] Emergency Sync complete
ProblemType: Bug
Architecture: amd64
DistroRelease: Ubuntu 9.04
HibernationDevice: RESUME=UUID=68cf14af-f226-4b3d-bcb5-cef30cf2ea02
MachineType: LENOVO 2768FE7
Package: linux-image-2.6.28-13-generic 2.6.28-13.44
ProcCmdLine: root=/dev/mapper/hostname-root ro quiet splash
ProcEnviron:
PATH=(custom, user)
LANG=en_SG.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.28-13.44-generic
SourcePackage: linux
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug
--
kernel oops -> system hang / drm i915
https://bugs.launchpad.net/bugs/393327
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