Re: [Qemu-devel] [PULL 00/34] migration thread and queue

[Paolo Bonzini]

Il 27/12/2012 16:51, Alexandre DERUMIER ha scritto:
>>> 1) What happened before these patches? If something different, can you 
>>> bisect it? 
> Well, qemu 1.3 stable release, was working slowly (bigger downtime), but no 
> crash.
> I don't see any changes since 1.3 and theses patches.

These patches are 34. :)  Bisecting among them will already be of huge help.

>>> 2) Do you get anything on the console (stdout)? See 
>>> kvm_handle_internal_error in kvm-all.c for what to expect. 
> I'll have a look at this. 
> Currently I start the target vm with --daemonize, does I need to remove this 
> option to see stdout ?

Yes, please do that so that you can also bisect the problem.

BTW, what kernel version?  Does it reproduce with

    migrate exec:cat>foo.save

and then, when migration finishes, loading it with "-incoming 'exec:cat
foo.save'"?

Paolo