> > > I used the latest qemu code (commit id: 4e71220387e88a22) and kernel > > (v4.5) to test the post-copy, and find the guest get crashed after > > live migration, no matter I did a local live migration or live > > migration between two hosts. I just ran the stress as the workload in > > guest. It seems the post-copy is broken? > > > > > > Stress parameters: stress --vm 2 --vm-hang 1 --vm-bytes 2048M > > > --vm-keep QEMU parameters: ./qemu-system-x86_64 --enable-kvm - > smp > > 4 -m > > > 8192 -monitor stdio -drive file=/share/centos6u6.qcow > > > > My test seems to be working here (4.4.6-301.fc23 kernel) same qemu > > version. > > This is with an f20 guest running google stressapptest. > > > > What's your last working version? > > > > This is my first try of post-copy after the related patches been merged. > I will double check and get back to you. > > Thanks! > Liang > > > Dave
I tried the v4.4 upstream kernel, the issue was disappeared. It must be some changes between kernel v4.4 and v4.5 breaks post-copy. Liang. > > > > > Liang > > -- > > Dr. David Alan Gilbert / dgilb...@redhat.com / Manchester, UK