Bug#655385: regression introduced in linux-2.6 2.6.32-46

[Simon Deziel <simon.deziel@gmail.com>]

On 12-10-03 11:09 AM, Ben Hutchings wrote:
> On Wed, 2012-10-03 at 16:24 +0200, Christoph Lechleitner wrote:
> [...]
>>> # vzctl enter build-lucid
>>> enter into CT 1000 failed
>>> Unable to open pty: No such file or directory
>>
>> This is a common problem with Ubuntu guests, several solutions can be
>> found via Google easily.
>>
>> I am quite sure that the proc-self-patch has nothing to do with this
>> upstart/udev/ubuntu problem.
> [...]
> 
> Agreed.  This is most likely caused by either:
> 
> 1. Some other change in -46 that interacts badly with OpenVZ.  The
> OpenVZ project does not support the 2.6.32.y longterm series that the
> 'squeeze' kernel is based on, so such problems are bound to occur.

That is quite possible. I guess that a git bisect is needed to know for
sure.

> 2. An existing problem that showed up due to the reboot.
> 
> (Debian servers tend to get rebooted only after a kernel upgrade, so any
> boot problem will be blamed on the upgrade.)

Good point, though this server was rebooted various time while swapping
the kernel version only. This made it clear that the kernel alone is
trigging the bug.

Thanks all for your inputs,
Simon