Jinsong Liu (@Intel) 's patch "qemu-kvm bugfix for IA32_FEATURE_CONTROL" will fix this bug. That patch will also fix the following bug. 10. 64bit RHEL6.4 guest crashes and reboots continuously https://bugs.launchpad.net/qemu-kvm/+bug/1207623
So you suggent we should use qemu instead of qemu-kvm, right? Thanks. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1213797 Title: Guest hang after live migration Status in QEMU: New Bug description: Environment: ------------ Host OS (ia32/ia32e/IA64):ia32e Guest OS (ia32/ia32e/IA64):ia32e Guest OS Type (Linux/Windows):Linux kvm.git Commit:205befd9a5c701b56f569434045821f413f08f6d qemu-kvm uq/master Commit:ca916d3729564d0eb3c2374a96903f7e8aced8a7 Host Kernel Version:3.11.0-rc1 Hardware:Romley_EP, Ivytown_EP Bug detailed description: -------------------------- after guest live migration, the guest will hang, and ping IP fail note: 1. after guest save/restore, the guest will hang, and ping IP fail 2. This should be a qemu-kvm bug. kvm + qemu-kvm = result 205befd9 + ca916d37 = bad 205befd9 + f03d07d4 = good Reproduce steps: ---------------- 1.Start a TCP daemon for migration qemu-system-x86_64 -enable-kvm -m 2G -smp 2 -net nic,macaddr=00:12:34:56:13:45 -net tap,script=/etc/kvm/qemu-ifup rhel6u2.qcow -incoming tcp:localhost:4444 2. create guest qemu-system-x86_64 -enable-kvm -m 2G -smp 2 -net nic,macaddr=00:12:34:56:13:45 -net tap,script=/etc/kvm/qemu-ifup rhel6u2.qcow 3. migrate tcp:localhost:4444 Current result: ---------------- guest hang Expected result: ---------------- after live/migration or save/restore, the guest works fine To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1213797/+subscriptions
