amd64/87977 : [busdma] [panic] amd64 busdma dflt_lock called
(by ata) if physmem>4G
tom at hur.st
Tue Dec 27 08:00:23 PST 2005
The following reply was made to PR amd64/87977; it has been noted by GNATS.
From: Thomas Hurst <tom at hur.st>
To: bug-followup at FreeBSD.org
Cc: jc at oxado.com
Subject: Re: amd64/87977 : [busdma] [panic] amd64 busdma dflt_lock called (by ata) if physmem>4G
Date: Tue, 27 Dec 2005 15:52:26 +0000
I see this with RELENG_6 on a Tyan S2895 using the on-board nForce 4
SATA with >2 disks and 4G of memory. A simple gmirror load across 3 or
more disks is sufficient to cause a panic.
Are there any suggested workarounds beyond not using 4G or finding a
controller that doesn't use ata(4)?
Thomas 'Freaky' Hurst
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