ubuntu hangs while shutting down

[Avi Greenbury]

Tapas Mishra wrote:
> I am using Ubuntu 11.10 and when I shut it down sudo reboot it hangs
> while shutting down.
> I observed for more than 30 minutes and it could not still shut down.
> What should I check?

Do you know how far it gets through the shutdown? Are there any
messages on the screen at the time?

Generally, /var/log/syslog, /var/log/messages and /var/log/dmesg are
not unreasonable places ot start looking.

-- 
Avi