Re: error while loading state for instance 0x0 of device 'kvmclock'

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On Mon, Nov 02, 2009 at 11:28:38AM +0100, Jan Kiszka wrote:
> Jan Kiszka wrote:
> > Hi,
> > 
> > current qemu-kvm.git gives me the message "qemu: warning: error while
> > loading state for instance 0x0 of device 'kvmclock'" when I run a simple
> > "savevm" followed by a "loadvm 1". What's broken here?
> 
> OK, this is due to "KVM: add flags to kvm_clock_data" (958b0c5497): the
> flags field is not cleared on KVM_SET_CLOCK. Will post a fix.
> 
> But the above kernel commit is also broken: KVM_GET_CLOCK checks
> uninitialized user_ns.flags (probably instead of the user's value). This
> raises the question if the caller of KVM_GET_CLOCK is also supposed to
> pass kvm_clock_data with flags cleared down to the kernel. Could someone
> clarify this so I could fix it accordingly?

Yes userspace is supposed to clear flags. My bad.

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