linux-kernel - Re: 2.6.19-mm1 (md/raid1 randomly drops partitions)

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Date:	Tue, 12 Dec 2006 00:43:22 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Neil Brown <neilb@...e.de>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: Re: 2.6.19-mm1 (md/raid1 randomly drops partitions)

On Monday, 11 December 2006 23:52, Neil Brown wrote:
> On Monday December 11, rjw@...k.pl wrote:
> > Hi,
> > 
> > On Monday, 11 December 2006 09:58, Andrew Morton wrote:
> > > 
> > > Temporarily at
> > > 
> > > 	http://userweb.kernel.org/~akpm/2.6.19-mm1/
> > > 
> > > Will appear later at
> > > 
> > > 	ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19/2.6.19-mm1/
> > 
> > It caused all of the md RAID1s on my test box to drop one of their partitions,
> > apparently at random.
> 
> That's clever....
> 
> Do you have any kernel logs of this happening?  My guess would be the
> underlying device driver is returned more errors than before, but we
> need the logs to be sure.

I've only found lots of messages like this:

md: super_written gets error=-5, uptodate=0

I'll try to reproduce it tomorrow and collect some more information.

Greetings,
Rafael


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