[Qemu-devel] using scsi megasas causes Windows 8 bluescreen

[Qemu-devel] using scsi megasas causes Windows 8 bluescreen

[Alex Fishman]

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I'm trying to install Windows 8 on megasas scsi device with master qemu
branch. At the end of the installation I consistently get a blue screen and
the image doesn't boot after that.
I tried to bisect to older qemu versions, the oldest one that made Windows
to recognize the disk was origin/stable-2.1. That version also gave me a
blue screen.

My command line:

qemu-system-x86_64  -m 1G -device megasas,id=raid0 -device
scsi-hd,drive=disk.0,bus=raid0.0 -drive if=none,id=disk.0,file=win8test.img
-cdrom ~/Downloads/en-gb_windows_8.1_with_update_x64_dvd_6051481.iso -vnc
:1 -boot d

Any thoughts?

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Re: [Qemu-devel] using scsi megasas causes Windows 8 bluescreen

[Stefan Hajnoczi]

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On Tue, Apr 21, 2015 at 10:49:48AM +0300, Alex Fishman wrote:
> I'm trying to install Windows 8 on megasas scsi device with master qemu
> branch. At the end of the installation I consistently get a blue screen and
> the image doesn't boot after that.
> I tried to bisect to older qemu versions, the oldest one that made Windows
> to recognize the disk was origin/stable-2.1. That version also gave me a
> blue screen.
> 
> My command line:
> 
> qemu-system-x86_64  -m 1G -device megasas,id=raid0 -device
> scsi-hd,drive=disk.0,bus=raid0.0 -drive if=none,id=disk.0,file=win8test.img
> -cdrom ~/Downloads/en-gb_windows_8.1_with_update_x64_dvd_6051481.iso -vnc
> :1 -boot d
> 
> Any thoughts?

CCing the author of the code.

Stefan

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Re: [Qemu-devel] using scsi megasas causes Windows 8 bluescreen

[Hannes Reinecke]

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Hash: SHA1

On 04/22/2015 12:19 PM, Stefan Hajnoczi wrote:
> On Tue, Apr 21, 2015 at 10:49:48AM +0300, Alex Fishman wrote:
>> I'm trying to install Windows 8 on megasas scsi device with
>> master qemu branch. At the end of the installation I
>> consistently get a blue screen and the image doesn't boot
>> after that. I tried to bisect to older qemu versions, the
>> oldest one that made Windows to recognize the disk was
>> origin/stable-2.1. That version also gave me a blue screen.
>> 
>> My command line:
>> 
>> qemu-system-x86_64  -m 1G -device megasas,id=raid0 -device 
>> scsi-hd,drive=disk.0,bus=raid0.0 -drive
>> if=none,id=disk.0,file=win8test.img -cdrom
>> ~/Downloads/en-gb_windows_8.1_with_update_x64_dvd_6051481.iso
>> -vnc :1 -boot d
>> 
>> Any thoughts?
> 
> CCing the author of the code.
> 
Ah, good. So it's not a regression :-)
I'll have to check what's going on there; the windows drivers are
famous for having random assumptions on the driver behaviour...

Can you try with 'megasas-gen2' instead of the original 'megasas'
to see if it makes a difference?

Cheers,

Hannes
- -- 
Dr. Hannes Reinecke		               zSeries & Storage
hare@suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
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Re: [Qemu-devel] using scsi megasas causes Windows 8 bluescreen

[Alex Fishman]

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Hannes,

megasas-gen2 crashes as well

-Alex

On Wed, Apr 22, 2015 at 1:23 PM, Hannes Reinecke <hare@suse.de> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> On 04/22/2015 12:19 PM, Stefan Hajnoczi wrote:
> > On Tue, Apr 21, 2015 at 10:49:48AM +0300, Alex Fishman wrote:
> >> I'm trying to install Windows 8 on megasas scsi device with
> >> master qemu branch. At the end of the installation I
> >> consistently get a blue screen and the image doesn't boot
> >> after that. I tried to bisect to older qemu versions, the
> >> oldest one that made Windows to recognize the disk was
> >> origin/stable-2.1. That version also gave me a blue screen.
> >>
> >> My command line:
> >>
> >> qemu-system-x86_64  -m 1G -device megasas,id=raid0 -device
> >> scsi-hd,drive=disk.0,bus=raid0.0 -drive
> >> if=none,id=disk.0,file=win8test.img -cdrom
> >> ~/Downloads/en-gb_windows_8.1_with_update_x64_dvd_6051481.iso
> >> -vnc :1 -boot d
> >>
> >> Any thoughts?
> >
> > CCing the author of the code.
> >
> Ah, good. So it's not a regression :-)
> I'll have to check what's going on there; the windows drivers are
> famous for having random assumptions on the driver behaviour...
>
> Can you try with 'megasas-gen2' instead of the original 'megasas'
> to see if it makes a difference?
>
> Cheers,
>
> Hannes
> - --
> Dr. Hannes Reinecke                            zSeries & Storage
> hare@suse.de                                   +49 911 74053 688
> SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
> GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
> HRB 21284 (AG Nürnberg)
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