On 02/11/2017 12:27, Ilya Lesokhin wrote: > Hi, > Just in case anyone is interested, I've hit a WARN_ON that shouldn't happen: > http://elixir.free-electrons.com/linux/v4.13.10/source/arch/x86/kernel/traps.c#L788 > > I was single stepping in GDB connected to a QEMU target > and got the trace below inside the VM. > > I'm not sure If it's a kernel bug or a KVM bug and I did try to reproduce or debug it. > > Hypervisor was running 3.10.0-514.21.1.el7.x86_64. > VM was running a modified 4.13.0. It's a KVM bug, though I'm not sure if it's easily fixable. Paolo
