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Date: Fri, 17 Feb 2012 02:16:31 -0800
From: Doug Barton <dougb@FreeBSD.org>
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To: Don Lewis <truckman@FreeBSD.org>
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Cc: arch@FreeBSD.org
Subject: Re: [patch] allow crash dumps to Linux swap partitions
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On 01/08/2012 12:35, Don Lewis wrote:
> I've got a machine that is set up to dual boot both FreeBSD and Linux.
> It is also disk space impaired, so to make the best use possible of the
> available space, I have FreeBSD set up to swap to the Linux swap
> partition. Until now I haven't had working crash dumps because geom
> didn't permit crash dumps to Linux swap partitions. This patch removes
> that limitation.  This could be useful for users of laptops who boot
> multiple operating systems.


So I gave this a try, and I'm getting this:


GEOM_PART:dumpon:  ioctl(DIOCSKERNELDUMP)P: artition 'ad0s4' not
suitable for kernel dumps (wrong type?)
Operation not supported by device
/etc/rc: WARNING: unable to specify /dev/ad0s7 as a dump device

I'm guessing that this is due to ad0s7 being in an extended partition.
So I take it we have no support for dumping to logical partition?


Doug

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