After apply ignore_msrs=1, It works now! Even though ignore msrs, Some program(game `overwatch` full screen mode) make system crash I suspect unimplemented msrs `IA32_THERM_STATUS`
Anyway thanks again for your hard work and answering question kindly : ) From: Alex Williamson [mailto:alex.l.william...@gmail.com] Sent: Tuesday, June 21, 2016 9:14 PM To: YounJae Rho <luxf...@live.com> Cc: vfio-users <vfio-users@redhat.com> Subject: RE: [vfio-users] Question about IGD Passthrough On Jun 21, 2016 4:15 AM, "YounJae Rho" <mailto:luxf...@live.com> wrote: > > I already compiled both upstream qemu (http://git.qemu.org/ 2016-06-17) and > seabios (http://git.qemu.org/seabios.git 2016-06-03) > > > > After disable intel graphic driver at safe mode in windows 10 guest > > I can boot windows normally, but whenever I re-enable intel graphic driver. > It crashes > > I analyzed windows crash log with windbg. And I found that error > SYSTEM_THREAD_EXCEPTION_NOT_HANDLED is occurred when igdkmd64.sys execute > instruction `rdmsr` to read MSR_TURBO_RATIO_LIMIT(0x1ad) which is not handled > in qemu > > (host dmesg says vcpu6, guest rIP: 0xfffff80137691453 unhandled rdmsr: 0x1ad) > > Since Ubuntu guest successfully booted. I suspect windows 10 intel graphic > driver > > I already update latest intel graphic driver from intel web site (version > 20.19.15.4463) > > > > Do you have any idea about it? Or can you let me know what’s your test > environment (intel graphic driver version, qemu version, seabios version.. > etc) modprobe.d: options kvm ignore_msrs=1 _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
