Please follow the instructions in the section "Debug Symbol Packages" on https://wiki.ubuntu.com/DebuggingProgramCrash to install qemu-kvm- dbgsym. Restart one of the machine which hangs taking 100% cpu, then from another terminal do
gdb -p $(pidof kvm) # or insert the pid of the hanging kvm instance then type 'where' to get information about what kvm is doing. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to qemu-kvm in Ubuntu. https://bugs.launchpad.net/bugs/1029889 Title: LVM Based KVM VM taking 100% CPU on first start and hangs. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1029889/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs