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Re: [Qemu-devel] current qemu git does not work with win7 guest
From: |
Jan Kiszka |
Subject: |
Re: [Qemu-devel] current qemu git does not work with win7 guest |
Date: |
Mon, 07 May 2012 15:07:17 -0300 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 |
On 2012-05-07 14:48, Michael Tokarev wrote:
> On 07.05.2012 19:32, Jan Kiszka wrote:
>> On 2012-05-07 11:45, Michael Tokarev wrote:
> []
>>> $ ./x86_64-softmmu/qemu-system-x86_64 -enable-kvm -drive
>>> file=w7x32sp1.raw,if=virtio,snapshot=on -m 1G -net none -machine
>>> accel=kvm,kernel_irqchip=on
>>
>> Can you check if -global apic.vapic=off makes any difference in the
>> broken case? I'm facing general issues in that setup once I enable
>> virtio-block - independent of vapic on/off or in-kernel/userspace. The
>> boot freezes, and qemu can only be terminated via kill -9. So, retrying
>> with IDE as block interface would also be interesting.
>
> Both switching from virtio to ide and disabling vapic fixes the reboot
> issue, so win guests starts rebooting fine.
You mean doing both at the same time, or also when you only apply one
workaround? For me, disabling the vapic had _no_ impact, only disabling
virtio allowed to boot at all.
I suspect something is subtly broken in qemu, and it is not directly
related to the vapic, maybe even not virtio.
Jan
--
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
- Re: [Qemu-devel] current qemu git does not work with win7 guest, (continued)
Re: [Qemu-devel] current qemu git does not work with win7 guest, Michael Tokarev, 2012/05/07
- Re: [Qemu-devel] current qemu git does not work with win7 guest, Jan Kiszka, 2012/05/07
- Re: [Qemu-devel] current qemu git does not work with win7 guest, Michael Tokarev, 2012/05/07
- Re: [Qemu-devel] current qemu git does not work with win7 guest, Jan Kiszka, 2012/05/07
- Re: [Qemu-devel] current qemu git does not work with win7 guest, Michael Tokarev, 2012/05/07
- Re: [Qemu-devel] current qemu git does not work with win7 guest, Jan Kiszka, 2012/05/07
- Re: [Qemu-devel] current qemu git does not work with win7 guest, Michael Tokarev, 2012/05/07
- Re: [Qemu-devel] current qemu git does not work with win7 guest,
Jan Kiszka <=
- Re: [Qemu-devel] current qemu git does not work with win7 guest, Michael Tokarev, 2012/05/07
Re: [Qemu-devel] current qemu git does not work with win7 guest, Avi Kivity, 2012/05/07