Hi, Liu Ji Thanks for trying my trival patch. That patch is based on the version before qemu-1.3, and since qemu have important change about migration from Juan after that, So I think it would not work since 1.3.
I am trying to fix the size problem now, and then reimplement a formal patch of "live savevm" after that, as part of the incremental backup enhancement, you can take a look of the plan at: http://wiki.qemu.org/Features/VMSnapshotEnchancement Pls forgive me about the latency of the work, I have just come back from vacation.:) > Hello Wenchao Xia， > I am very interested in your "live backup vm" patch of qemu, which have > been sent to qemu-devel mail-list in "8 Dec 2012". > http://lists.gnu.org/archive/html/qemu-devel/2012-12/msg00800.html > > I have test your patch in qemu-1.3.1, but I have two problems: > > 1) After I exec the "migrate image:" command, although the CPU of VM is not > suspended, the running of VM is very slow. It is very difficult to operate > the VM > > by Spice. > 2) When I "loadvm" the snapshot which is create by the "migrate image:" > command, the Qemu output error. I change the version of qemu to 1.3.0, the > "loadvm" > > caused a crash. > Could you tell me which baseline version of qemu you used? And do you have > the same problems? > Do you have optimized the patch, and can you provide the latest patch for > me? > > Thanks. > -- Best Regards Wenchao Xia
