Re: uninterruptible sleep lockups

[Nish Aravamudan]

On Mon, 21 Feb 2005 17:44:32 -0500, Anthony DiSante
<theant@xxxxxxxxxxxxxxx> wrote:
> Valdis.Kletnieks@xxxxxx wrote:
> > See the thread rooted here:
> >
> > Date: Wed, 03 Nov 2004 07:51:39 -0500
> > From: Gene Heskett <gene.heskett@xxxxxxxxxxx>
> > Subject: is killing zombies possible w/o a reboot?
> > Sender: linux-kernel-owner@xxxxxxxxxxxxxxx
> > To: linux-kernel@xxxxxxxxxxxxxxx
> > Reply-to: gene.heskett@xxxxxxxxxxx
> > Message-id: <200411030751.39578.gene.heskett@xxxxxxxxxxx>
> 
> Also, one of the things mentioned in that thread is that whenever a driver
> is waiting on I/O from a piece of hardware, there should always be some
> timeout code.  Is that the root of the permanent D state?  Is it always a
> process waiting on a piece of hardware that should be eventually timing out,
> except the timeout code isn't there?

If you would like to file a bugzilla bug (or reference one if you
already have) -- http://bugzilla.kernel.org -- it would be easier to
track the problems. It would be good to get some idea of what hardware
is running (and thus what drivers) to debug further.

Thanks,
Nish
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