Re: pdflush stuck in D state with v2.6.24-rc1-192-gef49c32

[Florin Iucha <florin@iucha.net>]

On Mon, Oct 29, 2007 at 09:46:59AM -0400, Trond Myklebust wrote:
> > What could cause this?  I use NFS4 to automount the home directories
> > from a Solaris10 server, and this box found a few bugs in the NFS4
> > code (fixed in the 2.6.22 kernel).
> > 
> > I'll try running with 2.6.23 again for a few days, to see if I get the
> > pdflush stuck.  Any other ideas?
> 
> One of them appears to be waiting for i/o congestion to clear up. If the
> filesystem is NFS, then that means that some other thread is busy
> writing data out to the server. You'll need to look at the rest of the
> thread dump to figure out which thread is writing the data out, and
> where it is getting stuck.

Trond,

The full dmesg is at http://iucha.net/2.6.24-rc1/dmesg.stuck_pdflush.gz

Cheers,
florin

-- 
Bruce Schneier expects the Spanish Inquisition.
      http://geekz.co.uk/schneierfacts/fact/163

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