Re: Need help debuggung kvm issue on F19

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On May 17, 2013, at 1:20 PM, Matthias Runge <mrunge@xxxxxxxxxxxxxxxxx> wrote:

> On 05/17/2013 08:23 PM, Chris Murphy wrote:
>> There are a number of bugs on this. I'm hitting these two (maybe the
>> same bug) consistently: 954181 963966
>> 
>> But the interesting part is that I only get the kernel oops on an F19
>> host (consistently upon remote restart or poweroff of the VM via
>> ssh). I don't get the oops if the same host is running F18, with the
>> same kernel.
>> 
>> 3.9.2-200.fc18 3.9.2-301.fc19
>> 
>> So I'm thinking the newer versions of qemu-kvm on F19 are tickling
>> the kernel in a way it doesn't like, but for now I've reverted to F18
>> on baremetal and test F19 in VM.
> Good to know, thank you.
> 
> Interesting part is a kernel from f18 works, and the 3.10-rc?? from rawhide-nodebug works as well.

Host: F18 up to date with 3.9.2-200.fc18, and an F19 guest in qemu-kvm with virt-manager. This one is stable.

Host: F19 up to date with any of the fc19 kernels including 3.9.2-301.fc19 or 3.10.0-0.rc1.git5.1.fc20, with the same F19 guest, is not stable. It's wonky on the host through the GUI (really really sluggish even with the nodebug kernels) but doesn't crash. Only if I ssh into the VM, and issue a reboot or poweroff does the VM hang and immediately the host kernel oopses.

Are kernels 3.9.2-200.fc18 and 3.9.2-301.fc19 binary identical? Or is there some small meaningful difference?


Chris Murphy
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