Re: Windows 7 VM BSOD

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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
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