Re: [Qemu-devel] Prohibit Windows from running in QEMU

[Peter Lieven]

> Am 29.10.2013 um 17:00 schrieb Paolo Bonzini <address@hidden>:
> 
> Il 29/10/2013 16:55, BALATON Zoltan ha scritto:
>>> On Tue, 29 Oct 2013, Laszlo Ersek wrote:
>>> I don't know what I'm talking about. But:
>> 
>> Neither do I but...
>> 
>>> - Windows' ACPI parser is super cranky. You could pass in a custom (but
>>> standardized) ACPI table on the command line (-acpitable) that only
>>> triggers some warnings in Linux's port of ACPICA, but crashes Windows
>>> (BSOD). Like, write & compile a simple table to AML, then mess it up
>>> (eg. Package encoding or some such) with a hex editor. This would take
>>> some experimentation as well, but searching existing bug reports could
>>> help.
>> 
>> This seems evil and fragile (although this can be done without patches
>> with a command line option only). But instead why not remove/disable
>> some BIOS functions that Linux doesn't need but Windows relies on? This
>> seems to be less fragile (although requiring a patch) if it's possible
>> at all.
> 
> Subtly crippling the HPET might work, since Linux will prefer kvmclock.
> Good luck when users come screaming for support though.
> 

I think without hyper-v Windows will prefer the pmtimer. I will look at this it 
might work.

Thanks for your ideas.

Peter

> Paolo