Re: xen-in-kvm doesn't work with kvm-81.

[Avi Kivity <avi@redhat.com>]

Yiyi Hu wrote:
> Host info:
> hyy@Hs ~ $ uname -a
> Linux Hs 2.6.27-gentoo-r6 #1 SMP Mon Dec 15 11:43:12 CST 2008 x86_64
> AMD Athlon(tm) X2 Dual Core Processor BE-2350 AuthenticAMD GNU/Linux
>
> KVM is version 81. Installed from portage.
>
> The guest is 64bit debian lenny, Within guest, we install the xen system.
> The xen-in-kvm won't boot fine after upgraded to kvm-81.
>
> After testing, I found:
> With kvm-81 userspace util and kernel modules bundled with kernel
> 2.6.27, xen-in-kvm boots fine..
> If I try to use the kvm module bundled with kvm-81, The xen-in-kvm
> doesn't boot, with guest screen messed up.
>
> For the combination of both kernel modules and userspace utils are from kvm-81.
> With either -no-kvm-irqchip or -no-kvm-pit option passed, xen-in-kvm boots fine.
> With both -no-kvm-irqchip and -no-kvm-pit options passed, xen-in-kvm
> also boots fine.
> Though, We can see the screen messed up when the kernel boots. But the
> mess up will be cleared by newer kernel messages.
>
> The *problem* script used to start xen-in-kvm.
>
> TAPNAME=tap0
> sudo /usr/bin/tunctl -u hyy -t $TAPNAME
> sudo /sbin/ifconfig $TAPNAME up
> sudo /sbin/brctl addif br0 $TAPNAME
> kvm -k en-us -m 2048 \
>     -daemonize \
>     -vnc localhost:5 \
>     -hda lenny-xen.img \
>         -net nic,model=rtl8139,macaddr=DE:AD:B3:EF:27:A8 \
>     -net tap,script=no,ifname=$TAPNAME \
>     -serial mon:telnet::3333,server,nowait \
>   

What does the Xen serial console show?

-- 
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