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

From: Stefan Richter
Date: Sun Nov 04 2007 - 08:20:15 EST


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
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http://arcgraph.de/sr/
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