On 08/01/2015 14:36, Gerhard Wiesinger wrote: > Quitting and reattaching gdb also hangs here, so gettimeofday takes 100% > CPU and never ends! > > Therefore I guess this is a problem either in the Linux kernel or in > QEMU/KVM.
What kernel are you running on (and were you running on)? Can you try F20 host and F21 guest or vice versa? Paolo