exception 13 on windows restart?

exception 13 on windows restart?

[Troy Benjegerdes]

I have a windows XP guest that when the guest attempts to restart does
this:

troy@lyta:/extra$ kvm -m 512 -usbdevice tablet XP-2007-4-19-new.img.raw
exception 13 (0)
rax 0000000000000000 rbx 0000000000000000 rcx 0000000000000000 rdx
0000000000000600
rsi 0000000000000000 rdi 0000000000000000 rsp 0000000000000000 rbp
0000000000000000
r8  0000000000000000 r9  0000000000000000 r10 0000000000000000 r11
0000000000000000
r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15
0000000000000000
rip 000000000000e05d rflags 00033046
cs f000 (000f0000/0000ffff 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 (00000000/0000ffff 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 0/ffff
idt 0/ffff
cr0 60000010 cr2 0 cr3 0 cr4 0 cr8 0 efer 0
Aborted

I am running the kvm-18 debian packages (and kernel module, from
kvm-source) on a Macbook runing 2.6.20

lyta:/extra/deb-testing/usr/src# dpkg -l | grep kvm
ii  kvm                                  18-1
Full virtualization on x86 hardware
ii  kvm-modules-2.6.18-4-686             18-1+2.6.18.dfsg.1-11
kvm modules for Linux (kernel 2.6.18-4-686).
ii  kvm-modules-2.6.20-1-vserver-686     18-1+2.6.20-2
kvm modules for Linux (kernel 2.6.20-1-vserver-686).
ii  kvm-source                           18-1
Source for the KVM driver


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Re: exception 13 on windows restart?

[Avi Kivity]

Troy Benjegerdes wrote:
> I have a windows XP guest that when the guest attempts to restart does
> this:
>
> troy@lyta:/extra$ kvm -m 512 -usbdevice tablet XP-2007-4-19-new.img.raw
> exception 13 (0)
>   

Is this the reboot that's part of the install?  If so, it's 
kind-of-expected.  Otherwise reboots should work.

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


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Re: exception 13 on windows restart?

[Jon]

On Sun, Apr 22, 2007 at 12:08:33PM +0300, Avi Kivity wrote:

> Is this the reboot that's part of the install?  If so, it's 
> kind-of-expected.  Otherwise reboots should work.

I've been having the same error as Troy, with both Windows XP and Linux 
guests. I'm using a Core Duo cpu.

But I just tried kvm-20 and now XP is rebooting fine. The Linux guest 
still bombs though.

By the way, is the qcow image likely to be safe when kvm crashes at that 
point? I fear it might get corrupted or left in some unknown state.

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Re: exception 13 on windows restart?

[Avi Kivity]

Jon wrote:
> On Sun, Apr 22, 2007 at 12:08:33PM +0300, Avi Kivity wrote:
>
>   
>> Is this the reboot that's part of the install?  If so, it's 
>> kind-of-expected.  Otherwise reboots should work.
>>     
>
> I've been having the same error as Troy, with both Windows XP and Linux 
> guests. I'm using a Core Duo cpu.
>
> But I just tried kvm-20 and now XP is rebooting fine. The Linux guest 
> still bombs though.
>   

Reboot handling is fairly fragile.  It's unlikely to every work 
completely until we have real mode emulation.

> By the way, is the qcow image likely to be safe when kvm crashes at that 
> point? I fear it might get corrupted or left in some unknown state.
>   

If kvm crashes, the image should be safe.  Host crashes are another matter.

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


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