linux-kernel - Re: 2.6.20-rc4-mm1 md problem

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Date:	Fri, 12 Jan 2007 18:58:22 +0100
From:	"Michal Piotrowski" <michal.k.k.piotrowski@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	"Andrew Morton" <akpm@...l.org>, "Ingo Molnar" <mingo@...e.hu>,
	"Neil Brown" <neilb@....unsw.edu.au>,
	LKML <linux-kernel@...r.kernel.org>,
	"Jens Axboe" <jens.axboe@...cle.com>,
	"Jens Axboe" <axboe@...nel.dk>
Subject: Re: 2.6.20-rc4-mm1 md problem

On 12/01/07, Michal Piotrowski <michal.k.k.piotrowski@...il.com> wrote:
> On 12/01/07, Rafael J. Wysocki <rjw@...k.pl> wrote:
> > On Friday, 12 January 2007 14:33, Michal Piotrowski wrote:
> > > My system hangs on this
> > > http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rc4-mm1/bug2.jpg
> > > http://www.stardust.webpages.pl/files/tbf/euridica/2.6.20-rc4-mm1/mm-config
> > >
> > > Debug plan:
> > > - revert md-* patches
> > > - binary search
> > >
> > > Does someone have a better idea?
> >
> > Revert git-block.patch and related stuff?
>
> Indeed.
>
> GOOD
> #
> ##git-sym2.patch
> #git-scsi-target.patch
> #git-scsi-target-fixup.patch
> #
> git-block.patch
> git-block-fixup.patch
> BAD
>
> git-block.patch it's huge patch.
>
> diffstat git-block.patch
> [..]
> drivers/md/bitmap.c             |    1
>  drivers/md/dm-emc.c             |    2
>  drivers/md/dm-table.c           |   14 -
>  drivers/md/dm.c                 |   18 -
>  drivers/md/dm.h                 |    1
>  drivers/md/linear.c             |   14 -
>  drivers/md/md.c                 |    3
>  drivers/md/multipath.c          |   32 --
>  drivers/md/raid0.c              |   17 -
>  drivers/md/raid1.c              |   70 -----
>  drivers/md/raid10.c             |   73 ------
>  drivers/md/raid5.c              |   60 ----
> [..]
>
> I'll do a binary search through those files.
>

That wasn't a good idea.

/mnt/md0/devel/linux-mm/drivers/md/raid1.c: In function 'unplug_slaves':
/mnt/md0/devel/linux-mm/drivers/md/raid1.c:556: error:
'request_queue_t' has no member named 'unplug_fn'

Regards,
Michal

-- 
Michal K. K. Piotrowski
LTG - Linux Testers Group
(http://www.stardust.webpages.pl/ltg/)
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