Re: KVM hangs with windows XP guest - help with debugging?

[Avi Kivity <avi@qumranet.com>]

Jonathan Underwood wrote:
> Hi,
>
> I am trying to run Windows XP pro as a guest under kvm. The host
> system is Fedora 8. I have seen this behaviour with kvm-60 (as
> currently packaged for Fedora 8) and kvm-64 (using the rawhide
> package).
>
> Essentially, I install XP Pro successfuly. When I then try and run the
> SP2 exe in order to update it to SP2, KVM always freezes at the point
> where is says "Running post install processes). The command line I am
> using is:
>
> /usr/bin/qemu-kvm -M pc -m 512 -smp 1 -monitor pty -localtime -no-acpi
> -boot c -hda /home/VM/WindowsXP.img -net
> nic,macaddr=00:16:3e:2a:1b:db,vlan=0 -net tap,fd=12,script=,vlan=0
> -usb -usbdevice tablet -no-kvm-pit
>
> I have tried this both via virt-manager (i.e. connecting to the guest
> via vnc) and straight at the command line, and it happens for both.
>
> Host machine details:
>
> model name      : Intel(R) Core(TM)2 CPU          6600  @ 2.40GHz
>
> kernel 2.6.24.3-50.fc8 (x86_64)
>
> When kvm hangs, there's no output produced on the console. What can I
> do to debug this further?
>   

Please run 'kvm_stat -1' (found in the tarball) while the guest is 
hanging and report the output.  Also report whether the qemu process is 
consuming cpu or not.

-- 
Any sufficiently difficult bug is indistinguishable from a feature.


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