Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 09 Jan 2012 11:21:32 +0200
From:      Nikos Vassiliadis <nvass@gmx.com>
To:        Don Lewis <truckman@FreeBSD.org>
Cc:        arch@FreeBSD.org, adrian@FreeBSD.org, alfred@FreeBSD.org
Subject:   Re: [patch] allow crash dumps to Linux swap partitions
Message-ID:  <4F0AB19C.6000601@gmx.com>
In-Reply-To: <201201090911.q099B605025369@gw.catspoiler.org>
References:  <201201090911.q099B605025369@gw.catspoiler.org>

next in thread | previous in thread | raw e-mail | index | archive | help
On 1/9/2012 11:11 AM, Don Lewis wrote:
> On  9 Jan, Adrian Chadd wrote:
>> .. doesn't linux swap have some metadata somewhere?
>
> Darned if I know, but it doesn't seem to care about FreeBSD swap data
> overwriting its swap partition.

Linux will not use the swap partition without the metadata. And
these metadata are located to the start of the partition, that
is, dumping core there will surely destroy them.

Perhaps you can add a warning in the dumpon manual page, that the
swap metadata must be re-created after a coredump?

Nikos



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?4F0AB19C.6000601>