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

From: Pierre Riteau
Subject: [Qemu-devel] [BUG] Migration broken by "e1000: port to vmstate"
Date: Tue, 24 Nov 2009 16:04:59 +0100

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.

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

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