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From: Eugene Grosbein <egrosbein@rdtc.ru>
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To: Mike Tancsa <mike@sentex.net>
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Cc: freebsd-net@freebsd.org, Alexander Motin <mav@freebsd.org>,
	John Baldwin <jhb@freebsd.org>
Subject: Re: panic: bufwrite: buffer is not busy???
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On 05.02.2011 19:55, Mike Tancsa wrote:
> On 2/5/2011 8:48 AM, Eugene Grosbein wrote:
>>
>> First: again, no dump (not even started to dump, and no "Uptime:" written to console):
> 
> if you try and enable dumps manually from the shell,
> 
> dumpon -v /dev/ad0s1b
> (or whatever your swap partition is), what does dumpon return with ?

# . /etc/rc.conf
# set -x
# dumpon -v $dumpdev
+ dumpon -v /dev/ad0s4b
kernel dumps on /dev/ad0s4b