linux-kernel - Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fails to boot: kernel BUG at include/linux/scatterlist.h:49!

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Message-ID: <472DC6DE.6050402@s5r6.in-berlin.de>
Date:	Sun, 04 Nov 2007 14:19:26 +0100
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	Torsten Kaiser <just.for.lkml@...glemail.com>,
	linux-kernel@...r.kernel.org, linux1394-devel@...ts.sourceforge.net
Subject: Re: 2.6.24-rc1-54866f032307063776b4eff7eadb131d47f9f9b4 fails to
 boot: kernel BUG at include/linux/scatterlist.h:49!

Jens Axboe wrote:
> Chained sg lists will only be feed to a scsi host controller that
> enables chaining in its host template.
> 
> The fix looks fine though, it's just not a requirement or bug fix :-)

Good, then the sbp2 and fw-sbp2 patches can wait for 2.6.25.

Which criteria decide whether a SCSI low-level driver should enable
chained s/g lists?  The SBP-2 protocol supports s/g lists with up to
65535 entries.  The sbp2 and fw-sbp2 driver limit this currently to SG_ALL.
-- 
Stefan Richter
-=====-=-=== =-== ---=-
http://arcgraph.de/sr/
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