linux-kernel - Re: hanging in fsync for 3+ seconds

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Message-ID: <4783D891.4010505@cmu.edu>
Date:	Tue, 08 Jan 2008 15:09:53 -0500
From:	George Nychis <gnychis@....edu>
To:	lkml <linux-kernel@...r.kernel.org>
Subject: Re: hanging in fsync for 3+ seconds

solved... lpd was causing the hang.

- George


George Nychis wrote:
> Hi all,
> 
> I noticed that all of a sudden my disk writes using VIM/EMACS are taking 
> 3+ seconds for even just a single byte.  So, I've used strace to narrow 
> it down to fsync.
> 
> The following log is an fsync opening up a new file 'test' inserting a 
> 't' and writing and quitting in vim:
>   http://www.andrew.cmu.edu/user/gnychis/slog
> 
> If you do a search for the only fsync, you will see it takes more than 3 
> seconds:
>   15171      0.000094 fsync(6)            = 0 <3.386504>
> 
> What can I do to determine why the fsync is taking so long?  I am not 
> getting any disk error messages in system logs.
> 
> Info about my system:
>   Ubuntu Gutsy Gibbon desktop machine, updated as of last night
>   Linux 2.6.22-14-generic #1 SMP i686 GNU/Linux, running reiserFS.
> 
> Thanks!
> George
> 
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