* Thomas Huth (th...@redhat.com) wrote: > On 09.11.2016 16:13, Dr. David Alan Gilbert wrote: > > * Thomas Huth (th...@redhat.com) wrote: > >> On 09.11.2016 08:18, Amit Shah wrote: > >>> On (Fri) 04 Nov 2016 [14:10:17], Thomas Huth wrote: > >>>> qemu_savevm_state_iterate() expects the iterators to return 1 > >>>> when they are done, and 0 if there is still something left to do. > >>>> However, ram_save_iterate() does not obey this rule and returns > >>>> the number of saved pages instead. This causes a fatal hang with > >>>> ppc64 guests when you run QEMU like this (also works with TCG): > >>> > >>> "works with" -- does that mean reproduces with? > >> > >> Yes, that's what I've meant: You can reproduce it with TCG (e.g. running > >> on a x86 system), too, there's no need for a real POWER machine with KVM > >> here. > > > > How did you trigger it on x86? > > As described below - qemu-img + qemu-system-ppc64 + savevm is enough to > trigger it on a x86 host.
Oh OK; so yes still ppc64 target. Dave > > > >>>> qemu-img create -f qcow2 /tmp/test.qcow2 1M > >>>> qemu-system-ppc64 -nographic -nodefaults -m 256 \ > >>>> -hda /tmp/test.qcow2 -serial mon:stdio > >>>> > >>>> ... then switch to the monitor by pressing CTRL-a c and try to > >>>> save a snapshot with "savevm test1" for example. > > Thomas > -- Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK
