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Date:      Wed, 29 Oct 2008 20:50:46 +0100
From:      Kurt Jaeger <lists@c0mplx.org>
To:        current@freebsd.org
Subject:   Re: LSI megaraid SATA 150-6
Message-ID:  <20081029195046.GA3080@home.opsec.eu>
In-Reply-To: <E1KvGQx-0005lG-54@clue.co.za>
References:  <490864A3.4020801@samsco.org> <E1Kv8Bs-0004Wq-Fh@clue.co.za> <E1KvGQx-0005lG-54@clue.co.za>

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> Scott Long wrote:
> > Ian Freislich wrote:
> > > But I'm unable to boot into multi-user off the disk.  The kernel
> > > boots and then I get reports of UFS corruption (truncated inodes
> > > and missing blocks etc) and it can't find /libexec/ld-elf.so.1.
> > > 
> > > I'm tempted to just say that the card is junk and to give up.
> > > Am I correct in my analysis?
> > > 
> > 
> > Try setting the following from the loader at boot:
> > 
> > hw.amr.force_sg32=1
> 
> Ok, that fixed it.  What exactly does this do?

According to

sysctl -da | grep amr 

hw.amr.force_sg32: Force the AMR driver to use 32bit scatter gather

(instead of 64bit?) For details see:

/usr/src/sys/dev/amr/amr_pci.c

-- 
pi@opsec.eu            +49 171 3101372                        12 years to go !



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