[Bug 539836] [NEW] system locked up _spin_unlock_bh+0x19/0x20

sam tygier samtygier at yahoo.co.uk
Tue Mar 16 19:55:42 UTC 2010 

Public bug reported:

system locked up. X was unresponsive. could not ssh in. has to use sysrq
to reboot.

there is a backtrace in /var/log/messages (attached).

Mar 16 19:36:04 oberon kernel: [209248.611256] ioatdma 0000:00:08.0: reset
Mar 16 19:36:04 oberon kernel: [209248.660001] Modules linked in: joydev wacom nls_iso8859_1 nls_cp437 vfat fat usb_storage binfmt_misc vboxnetflt vboxnetadp vboxdrv kvm_intel kvm snd_hda_codec_atihdmi fbcon tileblit font bitblit softcursor vga16fb vgastate snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq_dummy snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_oss snd_seq_midi arc4 snd_rawmidi snd_seq_midi_event snd_seq radeon snd_timer snd_seq_device ttm ath5k cdc_ether snd drm_kms_helper i5000_edac usbnet soundcore mac80211 drm edac_core ath snd_page_alloc i2c_algo_bit mii tpm_infineon psmouse cfg80211 ioatdma tpm i5k_amb shpchp led_class dca tpm_bios ppdev serio_raw parport_pc lp parport usbhid hid ohci1394 ieee1394 e1000e
Mar 16 19:36:04 oberon kernel: [209248.660004] CPU 0:
Mar 16 19:36:04 oberon kernel: [209248.660004] Modules linked in: joydev wacom nls_iso8859_1 nls_cp437 vfat fat usb_storage binfmt_misc vboxnetflt vboxnetadp vboxdrv kvm_intel kvm snd_hda_codec_atihdmi fbcon tileblit font bitblit softcursor vga16fb vgastate snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep snd_seq_dummy snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_oss snd_seq_midi arc4 snd_rawmidi snd_seq_midi_event snd_seq radeon snd_timer snd_seq_device ttm ath5k cdc_ether snd drm_kms_helper i5000_edac usbnet soundcore mac80211 drm edac_core ath snd_page_alloc i2c_algo_bit mii tpm_infineon psmouse cfg80211 ioatdma tpm i5k_amb shpchp led_class dca tpm_bios ppdev serio_raw parport_pc lp parport usbhid hid ohci1394 ieee1394 e1000e
Mar 16 19:36:04 oberon kernel: [209248.660004] Pid: 15548, comm: apport-gtk Tainted: G        W  2.6.32-16-generic #25-Ubuntu         
Mar 16 19:36:04 oberon kernel: [209248.660004] RIP: 0010:[<ffffffff8106c08a>]  [<ffffffff8106c08a>] local_bh_enable_ip+0x2a/0xa0
Mar 16 19:36:04 oberon kernel: [209248.660004] RSP: 0018:ffff88000c811ab8  EFLAGS: 00000202
Mar 16 19:36:04 oberon kernel: [209248.660004] RAX: 0000000000000246 RBX: ffff88000c811ab8 RCX: ffff88000c811c0c
Mar 16 19:36:04 oberon kernel: [209248.660004] RDX: 0000000000000000 RSI: ffff88000c811ae0 RDI: ffffffffa00c7177
Mar 16 19:36:04 oberon kernel: [209248.660004] RBP: ffffffff81013cee R08: ffffffffa0233890 R09: 0000000000000001
Mar 16 19:36:04 oberon kernel: [209248.660004] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88000c811aa8
Mar 16 19:36:04 oberon kernel: [209248.660004] R13: ffffffff81013cee R14: 0000000000000000 R15: 0000000000000000
Mar 16 19:36:04 oberon kernel: [209248.660004] FS:  00007f75581b0710(0000) GS:ffff880028200000(0000) knlGS:0000000000000000
Mar 16 19:36:04 oberon kernel: [209248.660004] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 16 19:36:04 oberon kernel: [209248.660004] CR2: 00007f8a28a9e040 CR3: 000000012a51f000 CR4: 00000000000026e0
Mar 16 19:36:04 oberon kernel: [209248.660004] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 16 19:36:04 oberon kernel: [209248.660004] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Mar 16 19:36:04 oberon kernel: [209248.660004] Call Trace:
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff81556e99>] ? _spin_unlock_bh+0x19/0x20
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffffa00c7177>] ? ioat1_cleanup+0x87/0x90 [ioatdma]
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffffa00c7177>] ? ioat1_cleanup+0x87/0x90 [ioatdma]
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffffa00c71fa>] ? ioat1_dma_is_complete+0x7a/0xd0 [ioatdma]
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffffa00c71fa>] ? ioat1_dma_is_complete+0x7a/0xd0 [ioatdma]
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff814b0d87>] ? tcp_recvmsg+0x447/0xea0
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff81462e19>] ? sock_common_recvmsg+0x39/0x50
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff8146190e>] ? sock_recvmsg+0x11e/0x150
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff8146121b>] ? sock_sendmsg+0x10b/0x140
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff81083580>] ? autoremove_wake_function+0x0/0x40
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff8113af85>] ? __mem_cgroup_try_charge+0x55/0x1f0
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff810f7520>] ? __alloc_pages_nodemask+0xe0/0x1a0
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff8113b25b>] ? mem_cgroup_charge_common+0x7b/0xa0
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff81461dc1>] ? sys_recvfrom+0xe1/0x170
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff810397c9>] ? default_spin_lock_flags+0x9/0x10
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff812b2a9a>] ? __up_read+0x9a/0xc0
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff81087b9e>] ? up_read+0xe/0x10
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff81559868>] ? do_page_fault+0x148/0x380
Mar 16 19:36:04 oberon kernel: [209248.660004]  [<ffffffff810131f2>] ? system_call_fastpath+0x16/0x1b
Mar 16 19:36:04 oberon kernel: [209248.811256] ioatdma 0000:00:08.0: reset
Mar 16 19:36:04 oberon kernel: [209249.011259] ioatdma 0000:00:08.0: reset
Mar 16 19:36:04 oberon kernel: [209249.211256] ioatdma 0000:00:08.0: reset

ProblemType: Bug
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  sam        6804 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd0600000 irq 16'
   Mixer name	: 'Realtek ALC888'
   Components	: 'HDA:10ec0888,10f1c603,00100001'
   Controls      : 33
   Simple ctrls  : 18
Card1.Amixer.info:
 Card hw:1 'HDMI'/'HDA ATI HDMI at 0xd0210000 irq 17'
   Mixer name	: 'ATI R6xx HDMI'
   Components	: 'HDA:1002aa01,00aa0100,00100000'
   Controls      : 4
   Simple ctrls  : 1
Card1.Amixer.values:
 Simple mixer control 'IEC958',0
   Capabilities: pswitch pswitch-joined penum
   Playback channels: Mono
   Mono: Playback [off]
Date: Tue Mar 16 19:46:27 2010
DistroRelease: Ubuntu 10.04
Frequency: This has only happened once.
HibernationDevice: RESUME=UUID=1657537c-c9fc-44a0-85e9-e7ea564a39fc
InstallationMedia: Ubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
Package: linux-image-2.6.32-16-generic 2.6.32-16.25
ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-16-generic root=UUID=52d7f930-7148-4978-825e-71fcb9243ac6 ro quiet splash
ProcEnviron:
 SHELL=/bin/bash
 PATH=(custom, user)
 LANG=en_GB.utf8
ProcVersionSignature: Ubuntu 2.6.32-16.25-generic
Regression: No
RelatedPackageVersions: linux-firmware 1.32
Reproducible: No
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
TestedUpstream: No
Uname: Linux 2.6.32-16-generic x86_64
dmi.bios.date: 11/07/2007
dmi.bios.vendor: Phoenix Technologies LTD
dmi.bios.version: 6.00
dmi.board.name: S2696
dmi.board.vendor: Tyan Computer Corporation
dmi.chassis.type: 6
dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr6.00:bd11/07/2007:svn:pn:pvr:rvnTyanComputerCorporation:rnS2696:rvr:cvn:ct6:cvr:

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


** Tags: amd64 apport-bug lucid needs-upstream-testing

-- 
system locked up _spin_unlock_bh+0x19/0x20
https://bugs.launchpad.net/bugs/539836
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