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Re: [Qemu-devel] winXP "Standard PC" HAL and qemu-kvm >= 0.15


From: Jan Kiszka
Subject: Re: [Qemu-devel] winXP "Standard PC" HAL and qemu-kvm >= 0.15
Date: Tue, 06 Dec 2011 18:45:07 +0100
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 2011-12-06 17:57, Michael Tokarev wrote:
> On 06.12.2011 20:38, Jan Kiszka wrote:
>> On 2011-12-06 17:29, Michael Tokarev wrote:
> []
>>> It appears there are two issues here, one is fixed by
>>> 09de0f469c3c2a277c7874f6c60992c8b94719a9 and is 32bit-only, and
>>> another bisect leads to this commit:
> 
> Or 3... :)
> 
>>> commit 59539c913383fdd3350681301b44f02fa7ee2757
>>> Author: Jan Kiszka <address@hidden>
>>> Date:   Mon Jun 27 12:22:28 2011 +0200
>>>
>>>     qemu-kvm: Fix in-kernel PIC reset
> 
> []
>>> Anything wrong with this patch?
>>
>> I tend to say "no". It may just reveals some issue elsewhere.
>>
>> To cross-check: Does this series [1] expose the same issue with vanilla
>> QEMU when enabling that in-kernel irqchip version?
> 
> I cross-checked it the other way, which really should have been done
> at the very beginning instead of wasting so much time of so many
> people at once.  I just tried qemu-kvm-1.0, which I wasn't due to
> an unrelated issue (1.0 does not work for me in my funky 32/64bit
> environment).  Also, since the bug has been reported especially
> against 0.15 version (triggering by upgrading from 0.14 to 0.15),
> I didn't insist on trying 1.0, which was my biggest mistake.
> 
> And in qemu-kvm-1.0, the problem guest Just Works.  So i t must be
> something else which were fixed between 0.15 and 1.0.
> 
> Upstream qemu 1.0 does not have this issue too.

Good. Would still make sense to find this change for -stable.

> 
>> [1] http://thread.gmane.org/gmane.comp.emulators.kvm.devel/82871
> 
> I'll try to verify this series in a moment, but hopefully it will work
> fine too :)

TIA,
Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux



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