Re: [Qemu-discuss] WinXP Guest: New hardware found - VGA controller

[Narcis Garcia]

El 25/01/17 a les 12:53, Fam Zheng ha escrit:
> On Wed, 01/25 12:43, Narcis Garcia wrote:
>> El 25/01/17 a les 09:49, Alberto Garcia ha escrit:
>>> On Mon, Jan 23, 2017 at 01:00:26AM +0100, Joe wrote:
>>>
>>>> I'm trying Qemu (2.8.0) on Slackware GNU Linux 14.2 (64-bit) host.
>>>> I've a Windows XP (guest) raw image which was working with Qemu
>>>> times ago (I used it on an older Slackware version as host system).
>>>
>>> The default hardware emulated by QEMU changes in each new version.
>>>
>>> If it worked with an earlier version and now you find that the guest
>>> is detecting new hardware, try forcing the emulation of a machine from
>>> an older version of QEMU.
>>>
>>> For example:
>>>
>>> qemu-system-i386 -M pc-i440fx-1.6 -m 2G ...
>>>
>>> Type 'qemu-system-i386 -M ?' for a complete list.
>>>
>>> Berto
>>>
>>
>> Is there some documentation about default hardware for each QEMU version?
>> For similar reason, I'm interested in to use equivalent specification by
>> parameters, to "freeze" a lot of guests' hardware environments.
>>
>>
> 
> In this case you may want to use virt-manager/libvirt to manage your VMs, 
> which
> will take care of stablizing QEMU parameters across version changes and even
> more importantly migration (in case you use it).
> 
> Fam
> 

3 reasons: I prefer to control what is Qemu emulating, I already have
guest OSes configured for a Qemu defaults, and I use my own virtual
manager (not the libvirt one).
I suppose libvirt developers had the same question to solve.