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Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus
From: |
Jamie Lokier |
Subject: |
Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus |
Date: |
Thu, 27 Aug 2009 09:18:32 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
Gleb Natapov wrote:
> On Thu, Aug 27, 2009 at 09:40:06AM +0200, Gerd Hoffmann wrote:
> > Or does it mean we must emulate a more recent chipset?
> >
> That too will work.
Note that if you change the chipset, it'll break some existing Windows VMs.
I had this problem when porting a Windows Server 2003 VM from Virtual
PC to QEMU: Virtual PC emulates a PIIX4, while QEMU provides a PIIX3
(even though there's a PIIX4 in the source code, it's not used for PC
emulation). The ported image would not boot because of the change of
chipset, until I patched the registry to accomodate the change.
It will be the same the other way: When some Windows VMs see a change
from PIIX3 to a later chipset, they will not boot.
Some Windows VMs don't care as much. XP seems to be more like Linux,
in that it adapts to different devices at boot time.
-- Jamie
>
> --
> Gleb.
>
>
- [Qemu-devel] [PATCH 0/2] Disentagle ISA IRQs, Avi Kivity, 2009/08/09
- [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Avi Kivity, 2009/08/09
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gerd Hoffmann, 2009/08/10
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gerd Hoffmann, 2009/08/26
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Avi Kivity, 2009/08/26
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gerd Hoffmann, 2009/08/26
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gleb Natapov, 2009/08/26
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gerd Hoffmann, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gleb Natapov, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus,
Jamie Lokier <=
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gleb Natapov, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gerd Hoffmann, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Isaku Yamahata, 2009/08/27
- [Qemu-devel] Re: [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Bjørn Mork, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Avi Kivity, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gerd Hoffmann, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Avi Kivity, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Gerd Hoffmann, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Avi Kivity, 2009/08/27
- Re: [Qemu-devel] [PATCH 2/2] Route IOAPIC interrupts via ISA bus, Beth Kon, 2009/08/27