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Date: Sat, 19 Nov 2005 17:17:58 -0800 (PST)
From: Doug White <dwhite@gumbysoft.com>
To: Tom Jensen <tom@insecurity.dk>
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Cc: freebsd-stable@freebsd.org
Subject: Re: Panic: ad0: WARNING - removed from configuration
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On Fri, 18 Nov 2005, Tom Jensen wrote:

> Hi
>
> Seen this panic twice, there seems to be no pattern and I have no idea what
> triggers this, is it failing hardware?

Its certainly possible.  Or a bad cable, or a bad firmware interaction.

> System: FreeBSD 5.4-STABLE FreeBSD 5.4-STABLE #10: Sat Nov  5 17:14:46 CET
> 2005
>
> db> show msgbuf
> msgbufp = 0xc101cfe4
> magic = 63062, size = 32740, r= 33501, w = 63892, ptr = 0xc1015000, cksum=
> 3187082
> ad0: WARNING - removed from configuration
> swap_pager: I/O error - pagein failed; blkno 5212,size 4096, error 0
> vm_fault: pager read error, pid 282 (syslogd)
> <6>pid 282 (syslogd), uid 0: exited on signal 11
> ata0-master: FAILURE - WRITE_DMA timed out
> initiate_write_filepage: already started
> swap_pager: I/O error - pagein failed; blkno 6496,size 12288, error 6
> vm_fault: pager read error, pid 657 (courierlogger)

-- 
Doug White                    |  FreeBSD: The Power to Serve
dwhite@gumbysoft.com          |  www.FreeBSD.org