From: Paolo Bonzini <pbonzini@redhat.com>
To: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>,
qemu-stable@nongnu.org, qemu-devel <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Migration from older Qemu to Qemu 2.0.0 does not work
Date: Wed, 14 May 2014 10:11:16 +0200 [thread overview]
Message-ID: <53732524.3080101@redhat.com> (raw)
In-Reply-To: <53731883.4090502@profihost.ag>
Il 14/05/2014 09:17, Stefan Priebe - Profihost AG ha scritto:
> i now was able to catch the error.
>
> It is:
> Length mismatch: 0000:00:12.0/virtio-net-pci.rom: 40000 in != 10000
> qemu: warning: error while loading state for instance 0x0 of device 'ram'
> load of migration failed
This is a bug of your distribution. The file sizes for ROMs should
never change. In particular, if you round the sizes up to the next
power of 2 you should always have:
128k for bios.bin
256k for bios-256k.bin
64k for pxe-*.rom
256k for efi-*.rom
64k for vgabios-*
Unfortunately, most distribution get pxe-*.rom sizes wrong, because at
some point iPXE grew more features and didn't fit in 64k anymore with
the default configuration. I know at least Fedora does.
The solution is to copy the binaries from the QEMU git repository
(directory pc-bios/) to /usr/share/qemu.
Paolo
next prev parent reply other threads:[~2014-05-14 8:11 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 13:13 [Qemu-devel] Migration from older Qemu to Qemu 2.0.0 does not work Stefan Priebe - Profihost AG
2014-05-09 13:41 ` Dr. David Alan Gilbert
2014-05-09 16:14 ` Stefan Priebe - Profihost AG
2014-05-09 16:29 ` Dr. David Alan Gilbert
2014-05-09 20:08 ` Stefan Priebe
2014-05-09 17:05 ` Paolo Bonzini
2014-05-09 20:53 ` Stefan Priebe
2014-05-14 7:17 ` Stefan Priebe - Profihost AG
2014-05-14 8:11 ` Paolo Bonzini [this message]
2014-05-14 8:29 ` Stefan Priebe - Profihost AG
2014-05-14 8:36 ` Paolo Bonzini
2014-05-14 8:38 ` Stefan Priebe - Profihost AG
2014-05-14 9:00 ` Paolo Bonzini
2014-05-14 9:25 ` Stefan Priebe - Profihost AG
2014-05-14 9:34 ` Paolo Bonzini
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