kern/58391: Trap 12 with heavy disk load on ide vinum mirror
Greg 'groggy' Lehey
grog at FreeBSD.org
Wed Oct 22 19:20:10 PDT 2003
The following reply was made to PR kern/58391; it has been noted by GNATS.
From: Greg 'groggy' Lehey <grog at FreeBSD.org>
To: Alexander Haderer <alexander.haderer at charite.de>
Cc: FreeBSD-gnats-submit at FreeBSD.org
Subject: Re: kern/58391: Trap 12 with heavy disk load on ide vinum mirror
Date: Thu, 23 Oct 2003 11:43:36 +0930
Content-Type: text/plain; charset=us-ascii
On Wednesday, 22 October 2003 at 21:26:36 +0200, Alexander Haderer wrote:
> Setup: A single CPU x86 running 4.8R with GENERIC kernel, a SCSI disk
> holds OS and two 160G Maxtor disks (ad0, ad2) setup as vinum mirror
> to hold data (whole disk). Ata write cache is off as well as hw.ata.tags.
> When doing high io load to the ide disks the kernel panics with trap 12:
> Fatal trap 12: page fault while in kernel mode
Please take a dump of the system and supply a back trace. Ensure that
you have debugging symbols in the kernel. Don't delete the dump: I
will need more information.
See complete headers for address and phone numbers.
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