linux-kernel - Re: Boot failure with block/for-next

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Date:	Wed, 22 Dec 2010 22:31:13 -0600
From:	James Bottomley <James.Bottomley@...e.de>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Tejun Heo <htejun@...il.com>,
	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Boot failure with block/for-next

On Wed, 2010-12-22 at 11:27 -0600, James Bottomley wrote:
> Trying to test out the SCSI post merge tree, I've found it won't boot on
> my SCSI test system.  The reason is a failure to read the partition
> table of the root disc.  It just gives
> 
> sda: unable to read partition table
> 
> The other four discs in the system seem to read their partition tables
> OK.
> 
> The obvious candidate is the partition code rework in block/for-next.
> Simply reverting 

Actually, surprisingly, bisection confirms it's this patch:

Author: Tejun Heo <tj@...nel.org>
Date:   Wed Dec 8 20:57:42 2010 +0100

    sd: implement sd_check_events()

I can't quite see how yet.

James


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