linux-kernel - Re: [PATCH] Bug fix for the s390 dcssblk driver

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Date:	Sun, 21 Oct 2007 12:09:26 +0200
From:	Heiko Carstens <heiko.carstens@...ibm.com>
To:	emist <emistz@...il.com>
Cc:	Linux <linux-kernel@...r.kernel.org>,
	Gerald Schaefer <geraldsc@...ibm.com>,
	Carsten Otte <cotte@...ibm.com>,
	Martin Schwidefsky <schwidefsky@...ibm.com>
Subject: Re: [PATCH] Bug fix for the s390 dcssblk driver

On Sat, Oct 20, 2007 at 01:24:34PM -0400, emist wrote:
> Frans Pop wrote:
> > emist wrote:
> >> The following patch fixes and issue in the s390 dcssblk driver. The
> >> issue is caused when an unsuccessful attempt is made in order to change
> >> a segment's type through the device attribute file "shared". This causes
> >> the driver to remove the device in question, removing with it the device
> >> attribute which is currently handling the call. The result is a hang on
> >> the driver as it removes memory from under its feet.
> >>
> >> Not exactly sure if this explanation makes sense or its entirely
> >> accurate. This is what I believe at this point from encountering and
> >> fixing the error. Anyway here is the patch, hope it helps.
> > 
> > Hi,
> > 
> > If you don't get any reactions to your patch during the next few days, I 
> > suggest you resend it and then CC the linux-s390@...r.kernel.org list and 
> > possibly also the maintainer at linux390@...ibm.com.
> > 
> > In general you should always try to CC the relevant list/people as listed in 
> > the MAINTAINERS file and not just the linux-kernel list, both for patches 
> > and when reporting problems.
> > 
> > Cheers,
> > Frans Pop
> > 
> 
> Thanks Frans, I will do as you suggest.
> 
> Have a good one,
> 
> Igor H.

Gerald or Carsten (cc'ed) should look into this.
Thanks for reporting.
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