[Bug 556480] Re: kernel crash under KVM when on AMD Magny-Cours

[Andre Przywara]

Frank,
good observation, that should be the same thing in Xen. Here it is even worse, as by default Xen always injects the host's CPUID into the guest, so it will trigger every time you start it as a Xen guest (on every Xen host OS)
The bad part of it is that you can hardly patch the guest's kernel in an ISO image to workaround this and online updates are not possible because the kernel crashes so early.
I think that seriously affects Ubuntu's experience: It cannot be used as a guest on AMD Magny-Cours systems. So please seriously consider the mentioned fix (which is already queued for 2.6.32.x)!
Thanks!

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kernel crash under KVM when on AMD Magny-Cours
https://bugs.launchpad.net/bugs/556480
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