[Bug 1039196] Re: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container
*** This bug is a duplicate of bug 1021471 *** https://bugs.launchpad.net/bugs/1021471 Same as Robert, and this only happens occasionally, I am using Ubuntu 12.10 kernel 3.6.3 Here is a log excerpt: --Mount file system kjournald starting. Commit interval 5 seconds EXT3-fs (dm-1): using internal journal EXT3-fs (dm-1): mounted filesystem with ordered data mode --lxc-start device vethAUqDoX entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): vethAUqDoX: link is not ready unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 unregister_netdevice: waiting for lo to become free. Usage count = 1 INFO: task lxc-start:3820 blocked for more than 120 seconds. echo 0 /proc/sys/kernel/hung_task_timeout_secs disables this message. lxc-start D 0 3820 1 0x 88001c119ca0 0286 88001c119c50 8113528d 88001c119fd8 88001c119fd8 88001c119fd8 00013dc0 88000b352da0 880012d1db40 88001c119ca0 81cad260 Call Trace: [8113528d] ? free_pages+0x3d/0x40 [8169e459] schedule+0x29/0x70 [8169e71e] schedule_preempt_disabled+0xe/0x10 [8169d347] __mutex_lock_slowpath+0xd7/0x150 [8169cf5a] mutex_lock+0x2a/0x50 [8157de74] copy_net_ns+0x84/0x110 [8108192b] create_new_namespaces+0xdb/0x190 [81081b1c] copy_namespaces+0x8c/0xd0 [8105513b] ? dup_mm+0x13b/0x240 [81055960] copy_process.part.24+0x6e0/0xec0 [810561b7] copy_process+0x77/0x80 [810562ea] do_fork+0xfa/0x290 [8117821f] ? kmem_cache_free+0x2f/0x110 [81191035] ? putname+0x35/0x50 [8101d638] sys_clone+0x28/0x30 [816a7ef3] stub_clone+0x13/0x20 [816a7be9] ? system_call_fastpath+0x16/0x1b --Repeated unregister_netdevice, then lxc-start blocked message -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1039196 Title: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1039196/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1039196] Re: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container
*** This bug is a duplicate of bug 1021471 *** https://bugs.launchpad.net/bugs/1021471 Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: lxc (Ubuntu) Status: New = Confirmed -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1039196 Title: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1039196/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1039196] Re: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container
*** This bug is a duplicate of bug 1021471 *** https://bugs.launchpad.net/bugs/1021471 Same here on 12.10. I can start a container. After shutting it down, it wont come up again. The console just hangs right after issuing the second starting command with no further output line. syslog shows waiting for lo to become free messages. I am able to shutdown the host. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1039196 Title: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1039196/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1039196] Re: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container
-- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1039196 Title: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1039196/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
[Bug 1039196] Re: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container
*** This bug is a duplicate of bug 1021471 *** https://bugs.launchpad.net/bugs/1021471 ** This bug has been marked a duplicate of bug 1021471 stuck on mutex_lock creating a new network namespace when starting a container -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1039196 Title: unregister_netdevice: waiting for lo to become free. message after shutting down an lxc container To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1039196/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs
