Re: [Xen-devel] HVM Migration of domU on Qemu-upstream DM causes stuck system clock with ACPI

[Alex Bligh <alex@xxxxxxxxxxx>]

George,

--On 31 May 2013 11:54:09 +0100 George Dunlap <george.dunlap@xxxxxxxxxxxxx> 
wrote:
> So I wrote a script to run "date", sleep for 2 seconds, and run "date" a
> second time -- and eventually the *sleep* hung.
>
> The VM is still responsive, and I can log in; if I type "date" manually
> successive times then I get an advancing clock, but if I type "sleep 1"
> it just hangs.
Yes that's exactly what we're seeing. Anything that uses the wallclock
hangs. IE you can ping the VM, but the VM can't ping as the ping command
uses the wallclock timer.

I'll leave the point about dmseg to Diana.

--
Alex Bligh

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