Comment 23 for bug 1029889

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.