On Fri, May 10, 2013 at 10:40:22AM -0700, Nakajima, Jun wrote: > On Fri, May 10, 2013 at 9:33 AM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote: > > On 2013-05-10 17:39, Kashyap Chamarthy wrote: > >> On Fri, May 10, 2013 at 8:54 PM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote: > >>> > >>> On 2013-05-10 17:12, Jan Kiszka wrote: > >>>> On 2013-05-10 15:00, Kashyap Chamarthy wrote: > >>>>> Heya, > >>>>> > >>>>> This is on Intel Haswell. > >>>>> > >>>>> First, some version info: > >>>>> > >>>>> L0, L1 -- both of them have same versions of kernel, qemu: > >>>>> > > I tried to reproduce such a problem, and I found L2 (Linux) hangs in > SeaBIOS, after line "iPXE (http://ipxe.org) ...". It happens with or > w/o VMCS shadowing (and even without my virtual EPT patches). I didn't > realize this problem until I updated the L1 kernel to the latest (e.g. > 3.9.0) from 3.7.0. L0 uses the kvm.git, next branch. It's possible > that the L1 kernel exposed a bug with the nested virtualization, as we > saw such cases before. > This is probably fixed by 8d76c49e9ffeee839bc0b7a3278a23f99101263e. Try it please. -- Gleb. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
