I just confirmed that vapic is causing win7 stuck. 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