[Bug 271238] mpr (LSI SAS3816) driver not finding ses devices in HP D6020 enclosures

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 04 May 2023 11:19:14 UTC

--- Comment #2 from Peter Eriksson <pen@lysator.liu.se> ---
(In reply to Marek Zarychta from comment #1)

Regarding the P440 - is it using the "ciss" driver? Then yes, that driver has
well known bugs regarding discovering disks due to a couple of errors in the

I use 70 drives per CISS controller and have had to patch my "ciss" driver to
be able to detect all drives & the SES devices.

For details regarding the ciss driver see bug 246279: 

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