[lxc-users] Kernel lockups when running lxc-start

2014-03-12 Thread Dao Quang Minh
Hi all, We encounter a bug today when one of our systems enter soft-lockup when we try to start a container. Unfortunately at that point, we have to do a power cycle because we can’t access the system anymore. Here is the kernel.log: [14164995.081770] BUG: soft lockup - CPU#3 stuck for 22s!

Re: [lxc-users] Kernel lockups when running lxc-start (J?kel)

2014-03-12 Thread Dao Quang Minh
Hi, We run a ( sort of ) unconventional FS layout with aufs. bind-mountaufs /var/lib/lxc/container --- /disk1/container++ base | ++

Re: [lxc-users] Kernel lockups when running lxc-start (J?kel)

2014-03-12 Thread Serge Hallyn
So does the same thing happen if you don't have the /var/lib/lxc/container bind mount, and instead do lxc-start -P /desk1 -n container ? does 'grep shared /proc/self/mountinfo' show anything? Quoting Dao Quang Minh (dqmin...@gmail.com): Hi, We run a ( sort of ) unconventional FS layout

Re: [lxc-users] Kernel lockups when running lxc-start (J?kel)

2014-03-12 Thread Dao Quang Minh
We havent tested without the bind mounts ( but we can probably try it asap ). We migrated to 1.0.0 from 0.7.5 about a week ago, and this is the first time i've seen this bug. `grep shared /proc/self/mountinfo` doesnt show anything, but `/proc/self/mountinfo` does display 2 entries per physical

Re: [lxc-users] Kernel lockups when running lxc-start

2014-03-12 Thread Serge Hallyn
Quoting Dao Quang Minh (dqmin...@gmail.com): We built the kernel based on ubuntu tree with some patches backported from 3.14 ( https://github.com/nitrous-io/linux/commits/stable-trusty ) I can try to run another stress test to see if we can replicate the bug with the debug kernel. Hmm,

[lxc-users] Custom Template Path When Invoking lxc-create

2014-03-12 Thread Sarah Collison
Is there an environmental variable or command line option to select a custom directory for lxc-… template files? I’d like to make changes to the default for my distribution, but do not want these changes overwritten with a new version. Is this possible? Thanks! Sarah

Re: [lxc-users] Custom Template Path When Invoking lxc-create

2014-03-12 Thread Serge Hallyn
Quoting Sarah Collison (sa...@clingclangclick.com): Is there an environmental variable or command line option to select a custom directory for lxc-… template files? I’d like to make changes to the default for my distribution, but do not want these changes overwritten with a new version. Is

Re: [lxc-users] cgmanager+lxc-attach

2014-03-12 Thread Tamas Papp
On 03/04/2014 12:04 AM, Serge Hallyn wrote: No - I take it you can still reproduce? What might be helpful is if you could show how to start from a fresh ec2 or rackspace cloud instance (specifying which AMI or distro/release to start from), and show the precise commands you are using to

Re: [lxc-users] cgmanager+lxc-attach

2014-03-12 Thread Tamas Papp
On 03/12/2014 11:17 PM, Serge Hallyn wrote: Quoting Tamas Papp (tom...@martos.bme.hu): On 03/04/2014 12:04 AM, Serge Hallyn wrote: No - I take it you can still reproduce? What might be helpful is if you could show how to start from a fresh ec2 or rackspace cloud instance (specifying which