Sure, but I am little confused as KVM is part of linux kernel now, if I want to try it, should I just upgrade kernel or compile kvm kernel module by myself ?! On Thu, Dec 4, 2014 at 10:01 AM, Zhang Haoyu <zhanghy@xxxxxxxxxxx> wrote: >>I just confirmed that vapic is causing win7 stuck. >> > You'd better try the commit fc57ac2c9ca :-) > >>On Thu, Dec 4, 2014 at 9:34 AM, Thomas Lau <tlau@xxxxxxxxxxxxxxxxxx> wrote: >>> Hi, >>> >>> I don't want to recompile stuff, does it matter to have hv_vapic on at all? >>> >>> On Thu, Dec 4, 2014 at 9:24 AM, Zhang Haoyu <zhanghy@xxxxxxxxxxx> wrote: >>>>> Oh I see, >>>>> >>>>> So 101 BSOD problem is well known? Can't find any document mention about 101 BSOD online. >>>>> >>>>> I tried to use hv_ other options but Win7 can't boot up properly and stucked at starting Windows screen. >>>>> >>>> Could you confirm that the stuck was caused by vhich hv feature? >>>> The commit fc57ac2c9ca can resolve a stuck caused by hv_vapic which I encountered before. >>>> https://git.kernel.org/cgit/virt/kvm/kvm.git/commit/arch/x86/kvm/lapic.c?id=fc57ac2c9ca8109ea97fcc594f4be436944230cc >>>> >>>>> Sent from my BlackBerry 10 smartphone. >>>>> Original Message >>>>> From: Vadim Rozenfeld >>>>> Sent: Wednesday, 3 December, 2014 7:30 PM >>>>> To: Thomas Lau >>>>> Cc: Zhang Haoyu; kvm; imammedo >>>>> Subject: Re: Windows 7 VM BSOD >>>>> >>>>> If you run WS2008(R2) or Win7 - always turn on relaxed timing. Otherwise >>>>> it's just a matter of time when you hit 101 BOSD. >>>>> Bugcheck 78 is quite rare one. What is your setup, and how easy it's >>>>> reproducible? >>>>> >>>>> Best regards, >>>>> Vadim. >>>>> >>>>> On Wed, 2014-12-03 at 19:13 +0800, Thomas Lau wrote: >>>>> > "it works on your side" meaning that you had such issue but afterwards >>>>> > it's all fixed by apply hv_relaxed ? >>>>> > >>>>> > On Wed, Dec 3, 2014 at 7:08 PM, Zhang Haoyu <zhanghy@xxxxxxxxxxx> wrote: >>>>> > >> https://bugzilla.redhat.com/show_bug.cgi?id=893857 >>>>> > >> >>>>> > >> In fact I am doing testing now, but are we fixing one problem and >>>>> > >> introduce other problem?! >>>>> > >> >>>>> > > I'm not sure about this, but it works on my side, >>>>> > > I think BSOD(error:0x00000078) has been fixed, >>>>> > > please show your environment. >>>>> > > >>>>> > > Thanks, >>>>> > > Zhang Haoyu >>>>> > >> On Wed, Dec 3, 2014 at 6:36 PM, Thomas Lau <tlau@xxxxxxxxxxxxxxxxxx> wrote: >>>>> > >> > Hi, >>>>> > >> > >>>>> > >> > How do I know if my qemu-kvm version support this? >>>>> > >> > >>>>> > >> > On Wed, Dec 3, 2014 at 6:25 PM, Zhang Haoyu <zhanghy@xxxxxxxxxxx> wrote: >>>>> > >> >>> Hi All, >>>>> > >> >>> >>>>> > >> >>> I am running 3.13.0-24-generic kernel on Ubuntu 14, Windows 7 VM >>>>> > >> >>> installation was fine, but it does random reboot by itself, the error >>>>> > >> >>> code is 0x00000101, does anyone know how to fix this? >>>>> > >> >> Could you try hv_relaxed, like "-cpu kvm64,hv_relaxed". >>>>> > >> >> >>>>> > >> >> Thanks, >>>>> > >> >> Zhang Haoyu >>> >>> >>> >>> -- >>> Thomas Lau >>> Director of Infrastructure >>> Tetrion Capital Limited >>> >>> Direct: +852-3976-8903 >>> Mobile: +852-9323-9670 >>> Address: 20/F, IFC 1, Central district, Hong Kong > -- Thomas Lau Director of Infrastructure Tetrion Capital Limited Direct: +852-3976-8903 Mobile: +852-9323-9670 Address: 20/F, IFC 1, Central district, Hong Kong -- 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