Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > 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. What’s wrong with MTF? That’s what I used for debugging the Intel tests.
