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Date: Wed, 29 Oct 2008 14:16:22 -0600
From: Scott Long <scottl@samsco.org>
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To: Ian FREISLICH <ianf@clue.co.za>
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Cc: current@freebsd.org
Subject: Re: LSI megaraid SATA 150-6
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Ian FREISLICH wrote:
> 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?
> 

Limits the driver to only use 32-bit addresses, and bounces
(copies) anything above that down to the lower 32bits of the
address space.  Can you send me the output of 'pciconf -lv'?

Scott