On Fri, May 10, 2013 at 11:39 PM, Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote: > On 2013-05-10 19:40, 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. > > Hmm, no such issues here ATM although I'm on 3.9 for L1 as well. Interesting. But Jan, you're not using an "Haswell" machine, right ? > > Jan > > -- > Siemens AG, Corporate Technology, CT RTC ITP SDP-DE > Corporate Competence Center Embedded Linux -- 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
