Shutdown button takes good time on shutting down PC

[David Robert Lewis (ethnopunk)]

SteVe Cook wrote:
>
>
> 2009/12/10 Ashish Vijaywargiya <vijaywargiya.ashish at gmail.com 
> <mailto:vijaywargiya.ashish at gmail.com>>
>
>     Hello Steve,
>
>     Thanks!
>
>     There are so many files inside /var/log folder.
>     Can you please point in which file I should look for problems?
>
>
> dmesg and dmesg.0 are a good palce to start
> -- 
>
> Cheers
>
> SteVe

This is sort of a related problem. When I issue shutdown command in 
terminal

shutdown now

or

shutdown now -P

my machine reboots into the fix system mode & doesn'tshutdown

how can I stop this?