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From: Gerd Hoffmann <kraxel@redhat.com>
To: Ian Campbell <ijc@hellion.org.uk>
Cc: Michael Tokarev <mjt@tls.msk.ru>, qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] 128Kb bios size and older machines?
Date: Thu, 06 Feb 2014 15:31:33 +0100	[thread overview]
Message-ID: <1391697093.17309.48.camel@nilsson.home.kraxel.org> (raw)
In-Reply-To: <1391694723.25128.14.camel@kazak.uk.xensource.com>

  Hi,

> I'm not sure why the BIOS size is relevant to migration anyway, Xen
> doesn't load a new BIOS on the target host, the BIOS image is part of
> the migrated RAM.

The memory layout is different with a larger bios as qemu makes the
virtual flash as big as the bios image is.  The different memory layout
in turn makes live migration fail.

cheers,
  Gerd

  reply	other threads:[~2014-02-06 14:31 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-06  8:28 [Qemu-devel] 128Kb bios size and older machines? Michael Tokarev
2014-02-06  8:50 ` Gerd Hoffmann
2014-02-06 13:08   ` Michael Tokarev
2014-02-06 13:15     ` Ian Campbell
2014-02-06 13:30       ` Michael Tokarev
2014-02-06 13:52         ` Ian Campbell
2014-02-06 14:31           ` Gerd Hoffmann [this message]
2014-02-06 14:48             ` Ian Campbell
2014-02-06 23:55               ` Paolo Bonzini
2014-02-06 23:56       ` Paolo Bonzini
2014-02-07  7:11         ` Michael Tokarev

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