[lxc-devel] lxc-stop related bug in 2.6.37?

[Andreas Philipp]

On 13.01.2011 23:42, Daniel Lezcano wrote:
> On 01/13/2011 08:30 PM, Andreas Philipp wrote:
>> Hi all,
>>
>> After upgrading a machine to kernel version 2.6.35.8 to 2.6.37 my system
>> froze each time when I issued a lxc-stop command. Unfortunately, I was
>> not able to get any more information out of my box due to it freezing
>> totally (no logs written to disk, nothing). Does anyone have experience
>> with this (or a similar) issue?
>
> I just compiled a 2.6.37 and tested with a simple 'sleep' inside a
> container and then stopped but the hang did not occur.
> I also tried with an ubuntu container and busybox without problem.
>
> I tried on kvm x86_64
In the meantime I tried to issue a 'halt' inside a container instead of
issuing 'lxc-stop' on the host. This time now hang occurred. So, the
suggestion is, if there is something going wrong, it goes wrong within
lxc_stop.
>
>
>> Is it important to recompile the lxc
>> user space utilities after a kernel upgrade?
>
> At the first glance, I think it is not necessary. The lxc code does
> not rely on kernel code, so there is no dependency except the one
> provided by the linux header installed on the system. In any case,
> userspace code should not hang a system.