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[Qemu-devel] Re: [BUG] Migration broken by "e1000: port to vmstate"

From: Pierre Riteau
Subject: [Qemu-devel] Re: [BUG] Migration broken by "e1000: port to vmstate"
Date: Tue, 24 Nov 2009 18:02:42 +0100

On 24 nov. 2009, at 17:46, Juan Quintela wrote:

> Pierre Riteau <address@hidden> wrote:
>> e482dc3eaac43f88beea133843ae38c661262e97 breaks migration of a VM using an 
>> e1000 device (which is the default...).
>> Origin host is Debian Lenny 32-bits, destination host is Fedora 12 32-bit. 
>> Guest is running Debian Lenny 32-bit.
>> Symtoms: origin finishes migration correctly, but destination prints "load 
>> of migration failed" and the VM is stopped.
>> This is because the origin closed the connexion, so qemu_fill_buffer reads a 
>> buffer with len == 0, which is treated as an error later (f->has_error = 1).
>> Reverting e482dc3eaac43f88beea133843ae38c661262e97 fixes the problem.
> Do you use --enable-kvm?  That could explain it.

No I don't (although the bug appears with qemu-kvm as well, but I haven't 
tested the revert).

Pierre Riteau -- http://perso.univ-rennes1.fr/pierre.riteau/

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