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Date: Mon, 15 Feb 2010 17:25:15 -0500
From: Charles Owens <cowens@greatbaysoftware.com>
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Subject: Re: mptutil(8) segfault on IBM xSeries 3550
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Charles Owens wrote:
> Howdy,
>
> We're working with IBM hardware (xSeries 3550) that has an
> mpt-based RAID controller... after initial success with testing the
> mptutil utility, now operations other than "show adapter" and "show
> volume" are resulting in segfaults.
>
> While it was working properly we created and removed volumes several
> times, force-failed drives, and just generally put it through its
> paces... and all seemed fine.  Then, after a reboot, it suddenly started
> failing with segfault as described, and nothing we do has helped to get
> it out of this state (including trying to use the LSI in-BIOS manager to
> create/delete volumes -- which in and of itself works fine).
>
> We found recent thread
> http://docs.freebsd.org/cgi/mid.cgi?4B56CD4C.80503 and hoped that it
> might somehow relate... and even tried the patch that John Baldwin
> posted, but to no avail.
>
> Has anyone seen this behavior and/or have a suggested fix or workaround?
>
>
> Here's the output of "mptutil show adapter":
>
> mpt0 Adapter:
>        Board Name: SR-BR10i
>    Board Assembly: L3-25116-01H
>         Chip Name: C1068E
>     Chip Revision: UNUSED
>       RAID Levels: RAID0, RAID1, RAID1E
>     RAID0 Stripes: 64K
>    RAID1E Stripes: 64K
>  RAID0 Drives/Vol: 1-10
>  RAID1 Drives/Vol: 2
> RAID1E Drives/Vol: 3-10
>
>
> This work is being done using FreeBSD 8.0-RELEASE-p2 + PAE.
>   


I should add that the RAID controller in question is the IBM
ServeRAID-BR10i SAS/SATA Controller which is based on the LSI 1068E
processor, as described here:
http://www-01.ibm.com/common/ssi/rep_ca/4/872/ENUSAG09-0104/index.html