Re: Windows 7 VM BSOD

["Zhang Haoyu" <zhanghy@sangfor.com>]

> 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@sangfor.com> 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@tetrioncapital.com> 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@sangfor.com> 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