I'm not sure how I triggered this. I've been moving around between networks and suspending/resuming all day.
Earlier in this boot I successfully used a container (start, networking and stop). I came to start the same one later and noticed that it didn't come up. Trying to attach to the console with lxc-console informed me that it wasn't running. I then saw suspicious content in dmesg:
I'm not sure how I triggered this. I've been moving around between networks and suspending/resuming all day.
Earlier in this boot I successfully used a container (start, networking and stop). I came to start the same one later and noticed that it didn't come up. Trying to attach to the console with lxc-console informed me that it wasn't running. I then saw suspicious content in dmesg:
[25800.412234] INFO: task lxc-start:25817 blocked for more than 120 seconds. kernel/ hung_task_ timeout_ secs" disables this message. 759>] schedule+0x29/0x70 a1e>] schedule_ preempt_ disabled+ 0xe/0x10 537>] __mutex_ lock_slowpath+ 0xd7/0x150 00a>] mutex_lock+ 0x2a/0x50 de1>] copy_net_ ns+0x71/ 0x100 dfb>] create_ new_namespaces+ 0xdb/0x190 fec>] copy_namespaces +0x8c/0xd0 142>] copy_process. part.22+ 0x902/0x1520 ee5>] do_fork+0x135/0x390 b40>] ? kmem_cache_ free+0x20/ 0x100 6b3>] ? putname+0x33/0x50 1cc>] ? do_sys_ open+0x16c/ 0x200 238>] sys_clone+0x28/0x30 bf3>] stub_clone+ 0x13/0x20 8e9>] ? system_ call_fastpath+ 0x16/0x1b netdevice: waiting for lo to become free. Usage count = 1
[25800.412243] "echo 0 > /proc/sys/
[25800.412254] lxc-start D ffff88013fd13980 0 25817 1 0x00000000
[25800.412266] ffff880007b43cc0 0000000000000086 ffff88003ba4c500 ffff880007b43fd8
[25800.412275] ffff880007b43fd8 ffff880007b43fd8 ffff880134c65c00 ffff88003ba4c500
[25800.412284] 000080d0ffffffff ffffffff81ca7c00 ffff88003ba4c500 ffffffff81ca7c04
[25800.412288] Call Trace:
[25800.412306] [<ffffffff81673
[25800.412313] [<ffffffff81673
[25800.412323] [<ffffffff81672
[25800.412331] [<ffffffff81672
[25800.412340] [<ffffffff8155e
[25800.412350] [<ffffffff8107a
[25800.412357] [<ffffffff8107a
[25800.412367] [<ffffffff81050
[25800.412375] [<ffffffff81050
[25800.412385] [<ffffffff8116d
[25800.412395] [<ffffffff8118c
[25800.412402] [<ffffffff81181
[25800.412410] [<ffffffff8101c
[25800.412418] [<ffffffff8167c
[25800.412424] [<ffffffff8167c
[25806.312385] unregister_
ProblemType: Bug ature: Ubuntu 3.5.0-2.2-generic 3.5.0-rc4 dules: nvidia wl controlC0: laney 2787 F.... pulseaudio 106b0d00, 00100301 HDA:10de000c, 10de0101, 00100200' UUID=1c5b3f2c- 2c89-4fa1- 9ed8-0e238de8fe 47 /boot/vmlinuz- 3.5.0-2- generic root=UUID= 2228fdfe- 3834-40b2- b7b4-efea7463e3 c1 ro quiet splash reboot=pci vt.handoff=7 ersions: restricted- modules- 3.5.0-2- generic N/A backports- modules- 3.5.0-2- generic N/A 0039.B05. 1003251322 version: Mac-F222BEC8 .:bvrMBP71. 88Z.0039. B05.1003251322: bd03/25/ 10:svnAppleInc. :pnMacBookPro7, 1:pvr1. 0:rvnAppleInc. :rnMac- F222BEC8: rvr:cvnAppleInc .:ct10: cvrMac- F222BEC8: version: 1.0
DistroRelease: Ubuntu 12.10
Package: linux-image-generic 3.5.0.3.3
ProcVersionSign
Uname: Linux 3.5.0-2-generic x86_64
NonfreeKernelMo
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.25.
ApportVersion: 2.2.5-0ubuntu2
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: Cirrus Analog [Cirrus Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Card0.Amixer.info:
Card hw:0 'NVidia'/'HDA NVidia at 0xd3480000 irq 22'
Mixer name : 'Nvidia MCP89 HDMI'
Components : 'HDA:10134206,
Controls : 37
Simple ctrls : 13
Date: Thu Jul 5 21:26:08 2012
HibernationDevice: RESUME=
InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100729)
MachineType: Apple Inc. MacBookPro7,1
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.82
SourcePackage: linux
UpgradeStatus: Upgraded to quantal on 2012-01-13 (173 days ago)
dmi.bios.date: 03/25/10
dmi.bios.vendor: Apple Inc.
dmi.bios.version: MBP71.88Z.
dmi.board.name: Mac-F222BEC8
dmi.board.vendor: Apple Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Apple Inc.
dmi.chassis.
dmi.modalias: dmi:bvnAppleInc
dmi.product.name: MacBookPro7,1
dmi.product.
dmi.sys.vendor: Apple Inc.