[Pkg-libvirt-maintainers] Bug#788171: Bug#788171: libvirt-daemon: segfault in libvirtd on qemu live migration

[Guido Günther]

On Sun, Jun 14, 2015 at 03:19:14PM +0300, Vladimir K wrote:
> OK, tried to migrate a VM to the host with libvirt version from your snapshot. It did not segfault, so the patch appears to be working.

Thanks for testing!

> 
> But migration still fails (version difference?)
> 
> sudo virsh migrate --live --persistent --copy-storage-all --p2p --tunneled vm1 qemu+ssh://root@vhost2/system --verbose
> Migration: [ 85 %]error: operation failed: migration job: unexpectedly failed
> 
> It seem to successfully copy block device, define VM, start it in paused state, but in the end this:
> 
> in qemu log:
> 
> Receiving block device images 
> #( there was a line 'Completed 99 %' here)
> 2015-06-14 11:47:07.566+0000: shutting down
> 2015-06-14T11:47:07.616812Z qemu-system-x86_64: load of migration failed: Input/output error

I have currently no idea what causes this. I will have to set up a test
system to check but this will take some time. Do you have a chance to
check if it works with the version in sid?

> 
> in journal:
> 
> libvirtd[55004]: error from service: TerminateMachine: No machine 'qemu-vm1' known

This one is ugly but harmless.
Cheers,
 -- Guido