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Date: Sat, 1 Jul 2006 23:09:39 -0700
From: Andrew Morton <akpm@osdl.org>
To: Reuben Farrelly <reuben-lkml@reub.net>,
       James Bottomley <James.Bottomley@steeleye.com>
Cc: helgehaf@aitel.hist.no, linux-kernel@vger.kernel.org,
       linux-scsi@vger.kernel.org, neilb@suse.de, grant.wilson@zen.co.uk
Subject: Re: 2.6.17-mm5 dislikes raid-1, just like mm4
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On Sun, 02 Jul 2006 16:43:56 +1200
Reuben Farrelly <reuben-lkml@reub.net> wrote:

> 
> 
> On 2/07/2006 10:22 a.m., Andrew Morton wrote:
> > On Sat, 1 Jul 2006 20:14:55 +0200
> > Helge Hafting <helgehaf@aitel.hist.no> wrote:
> > 
> >> I  just got mm5 up, and it has the same problem as mm4.
> >> Raid-1 does not work. I used 2.6.16 to resync my raids,
> >> and booted into 2.6.17-mm5.
> <snip>
> >> As we see, the md devices are assembled, then the filesystems are
> >> mounted and swap turned on.  Then all three md devices fail a 
> >> partition at the same time.  Somehow, I don't believe that
> >> is correct. ;-)
> >>
> > 
> > I assume this is still the broken-barriers bug.  Thanks for all the help on
> > this, guys.  More is to be asked for, I'm afraid.
> > 
> > I've prepared a tree which is basically 2.6.17-mm5, only the git-scsi-misc
> > and git-libata-all trees have been omitted.  It's at 
> > 
> > http://www.zip.com.au/~akpm/linux/patches/stuff/2.6.17-mm5-no-sata-scsi.bz2
> > 
> > (That's a diff against 2.6.17)
> 
> Works.
> 
> > If that kernel works, then the next step is to test
> > 
> > http://www.zip.com.au/~akpm/linux/patches/stuff/2.6.17-mm5-no-scsi.bz2
> > 
> > which is 2.6.17-mm5 without git-scsi-misc, but with git-libata-all.
> 
> Works.  I'm running it now and it looks to be all fine (including the 
> workaround/fix for MSI)
> 
> In both cases I rebooted twice with each kernel to be sure it wasn't a one-off.
> 
> This then must point to git-scsi-misc being implicated, if not the source.......
> 

Yep, everything points to that, thanks.