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: >>>> >>>> ===== >>>> $ rpm -q kernel --changelog | head -2 >>>> * Thu May 09 2013 Josh Boyer - 3.10.0-0.rc0.git23.1 >>>> - Linux v3.9-11789-ge0fd9af >>> >>> Please recheck with kvm.git, next branch. >> >> Hmm, looks like your branch already contains the patch I was thinking of >> (03b28f8). > > Yes. > >> >> You could try if leaving shadow VMCS off makes a difference, but I bet >> that is unrelated. > > Right. I could try. But, like you said, does it *really* make a difference. We know after you tried. I don't have access to a Haswell box, so we better exclude this beforehand. > >> You get that backtrace in L1, correct? > > Yes. > > If you have any further tracing pointers, I could do some debugging. Thanks, I may come back to you if reproduction fails here. 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
