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Re: [Qemu-devel] bug report: x86-64 guest on x86 host with KVM: can't bo


From: Anthony Liguori
Subject: Re: [Qemu-devel] bug report: x86-64 guest on x86 host with KVM: can't boot ubuntu-8.10-desktop-amd64.iso
Date: Tue, 02 Dec 2008 13:56:41 -0600
User-agent: Thunderbird 2.0.0.17 (X11/20080925)

Zeev Tarantov wrote:
Hello all!

Title says it all.
Without "-enable-kvm" qemu-system-x86_64 boots the ubuntu 8.10 cd image fine
(slowly) and with "-enable-kvm" I get corrupted graphics and can't continue past
grub menu. But it does boot a winxp disk image fine, with and without KVM.
Host is Linux 2.6.27.7 on a core2duo, running in 32 bit mode.
qemu is current svn trunk.
How can I help debug this?

It's a KVM module bug. You need a patch to your KVM module. See Glauber Costa's patch about not deleting slots properly on kvm-devel.

Regards,

Anthony Liguori

-Zeev








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