On 2014-09-12 14:29, Erik Rull wrote: >> On September 11, 2014 at 3:32 PM Jan Kiszka <jan.kiszka@xxxxxxxxxxx> wrote: >> >> >> On 2014-09-11 15:25, Erik Rull wrote: >>>> On August 6, 2014 at 1:19 PM Erik Rull <erik.rull@xxxxxxxxxxxxx> wrote: >>>> >>>> >>>> Hi all, >>>> >>>> I did already several tests and I'm not completely sure what's going wrong, >>>> but >>>> here my scenario: >>>> >>>> When I start up QEMU w/ KVM 1.7.0 on a Core2Duo machine running a vanilla >>>> kernel >>>> 3.4.67 to run a Windows 8.0 guest, the guest freezes at boot without any >>>> error. >>>> When I dump the CPU registers via "info registers", nothing changes, that >>>> means >>>> the system really stalled. Same happens with QEMU 2.0.0. >>>> >>>> But - when I run the very same guest using Kernel 2.6.32.12 and QEMU 1.7.0 >>>> on >>>> the host side it works on the Core2Duo. Also the system above but just with >>>> an >>>> i3 or i5 CPU it works, too. >>>> >>>> I already disabled networking and USB for the guest and changed the >>>> graphics >>>> card - no effect. I assume that some mean bits and bytes have to be set up >>>> properly to get the thing running. >>>> >>>> Any hint what to change / test would be really appreciated. >>>> >>>> Thanks in advance, >>>> >>>> Best regards, >>>> >>>> Erik >>>> >>> >>> Hi all, >>> >>> I opened a qemu bug report on that and Jan helped me creating a kvm trace. I >>> attached it to the bug report. >>> https://bugs.launchpad.net/qemu/+bug/1366836 >>> >>> If you have further questions, please let me know. >> >> "File possibly truncated. Need at least 346583040, but file size is >> 133414912." >> >> Does "trace-cmd report" work for you? Is your file larger? >> >> Again, please also validate the behavior on latest next branch from kvm.git. >> >> Jan >> > > Hi all, > > confirmed. The issue is still existing in the kvm.git Version of the kernel. > The trace.tgz was uploaded to the bugtracker. Thanks. Could you provide a good-case of your setup as well, i.e. with that older kernel version? At least I'm not yet seeing something obviously wrong. Jan -- Siemens AG, Corporate Technology, CT RTC ITP SES-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
