Re: kvm-22 and Vista support

[Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>]

Jorge Lucángeli Obes wrote:
> I have also tried using Windows Vista with kvm. Until now, I had (of
> course) the same ACPI problem as everybody. I had decided to compile
> the new BIOS by hand. Imagine my suprise when I saw the third entry in
> the above list =). I rushed to get my Vista Ultimate installation DVD.
> The install went great, I even managed to create a user. However, I
> did not get past this. After creating my user, the guest reboots (or
> more precisely, it shuts down since I'm running 'no-reboot') and when
> I start it again, it stops with what I believe is a real mode error:
>
> tamsyn@rory:~/stuff/qemu$ sudo qemu-system-x86_64 vista.img -m 512
> -no-reboot -localtime -no-rtc
> exception 13 (0)
> rax 0000000060000010 rbx 0000000000004200 rcx 00000000000000ff rdx
> 0000000000000001
> rsi 0000000000000180 rdi 0000000000007000 rsp 0000000000001e60 rbp
> 0000000000001e98
> r8  0000000000000000 r9  0000000000000000 r10 0000000000000000 r11
> 0000000000000000
> r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15
> 0000000000000000
> rip 0000000000009a12 rflags 00033006
> cs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
> ds 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
> es 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
> ss 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
> fs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
> gs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
> tr 0000 (20850000/00002088 p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0)
> ldt 0000 (00000000/0000ffff p 1 dpl 0 db 0 s 0 type 2 l 0 g 0 avl 0)
> gdt bb68/27
> idt 0/3ff
> cr0 60000010 cr2 0 cr3 0 cr4 0 cr8 0 efer 0
> Aborted
>
> Running with 'no-kvm' manages to solve this but I don't get to the
> login screen. The guest quits unexpectedly while on the Vista
> "bootsplash". It's a 32-bit Vista Ultimate guest on the same 64-bit
> Xubuntu Feisty host, kernel 2.6.20.3 Ubuntu branch, and kvm-22
> (modules and userspace).
>
> Any ideas? Have you guys done anything special to get Vista running?
> What can I do to find out what's going on?
>   

Well, all I did was to apply a one-line patch from Qing He to the bios 
ROM.  I haven't even tried Vista myself :)  Maybe Qing can comment?

It does look like a real mode problem; I'll update the dump to show more 
information (e.g. the code at the point of failure).

Do you get anything in dmesg when the problem occurs?

-- 
error compiling committee.c: too many arguments to function


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