Il 30/10/2012 13:16, Paolo Bonzini ha scritto: > A simplified reproducer (that doesn't hang Linux, > but shows the message) is to start the VM without a backend for the > virtserialport, and to resume it with a backend, for example > > $ qemu-system-x86_64 -device virtio-serial-pci -device virtserialport test.img --enable-kvm -m 512 > $ qemu-system-x86_64 -device virtio-serial-pci -chardev stdio,id=vs0 -device virtserialport,chardev=vs0 test.img --enable-kvm -m 512 -incoming 'exec:cat foo.ckp' Jan, Amit, the same bug is also happening without MSI. The reproducer is the same as above, but with pci=nomsi for Linux guests. After migration, "cat /dev/vport0p1" will not block, and if you have a NIC on the same line as virtio-serial it will also not work. Do any of you have some time to look at it? Paolo -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
