On 03.03.21 10:56, Stefan Reiter wrote:
> "live-restore" allows starting a VM immediately from a backup snapshot, no
> waiting for a long restore process. This is made possible with QEMU backing
> images, i.e. data is read from the backup which is attached to the VM as a
> drive, but new data is written to the destination, while a background process
> ('block-stream') copies over data in a linear fashion as well.as mentioned off-list, it works good in general, but live-migration afterwards seem to be broken, as resume on target fails: kvm: ../target/i386/kvm.c:2538: kvm_put_msr_feature_control: Assertion `ret == 1' failed. Stack trace of thread 1240139: #0 0x00007f96834617bb __GI_raise (libc.so.6) #1 0x00007f968344c535 __GI_abort (libc.so.6) #2 0x00007f968344c40f __assert_fail_base (libc.so.6) #3 0x00007f968345a102 __GI___assert_fail (libc.so.6) #4 0x000055e795c18b82 kvm_put_msr_feature_control (qemu-system-x86_64) #5 0x000055e795c9be7e do_kvm_cpu_synchronize_post_init (qemu-system-x86_64) #6 0x000055e795acc5a6 process_queued_cpu_work (qemu-system-x86_64) #7 0x000055e795d355b8 kvm_vcpu_thread_fn (qemu-system-x86_64) #8 0x000055e795ece91a qemu_thread_start (qemu-system-x86_64) #9 0x00007f96835f4fa3 start_thread (libpthread.so.0) #10 0x00007f96835234cf __clone (libc.so.6) _______________________________________________ pve-devel mailing list pve-devel@lists.proxmox.com https://lists.proxmox.com/cgi-bin/mailman/listinfo/pve-devel
