On Sat, Jul 14, 2007 at 07:06:18PM +0200, Aurelien Jarno wrote:
> Hi,
> 
> I have just updated my system from kvm 28 to kvm 29, and a GNU/kFreeBSD
> amd64 system fails to boot with the following error:
> 
>   Fatal trap 12 with interrupts disabled
> 
> 
>   Fatal trap 12: page fault while in kernel mode
>   fault virtual address   = 0x7aa93e0
>   fault code              = supervisor read, page not present
>   instruction pointer     = 0x8:0xffffffff80598b36
>   stack pointer           = 0x10:0xffffffff87c556b0
>   frame pointer           = 0x10:0xffffff0007aa9260
>   code segment            = base 0x00, lmit 0xfffff, type 0x1b
>                           = DPL 0, pres 1, long 1, def32 0, gran 1
>   processor eflags        = resume, IOPL = 0
>   current process         = 1 (init)
>   trap number             = 12
>   panic: page fault
> 
> 
> This is on an machine with an Athlon64 X2 CPU.
> 
> As it was running fine with kvm 28, I tried to mix kvm 28 and kvm 29. It
> fails when using modules from kvm 29, whatever the version of the
> userland part. This looks like a problem in the kernel modules.
> 
> Please also note that GNU/kFreeBSD i386 is working fine with kvm 29 on
> the same machine.
> 

I have just seen the same failure on an i386 guest. It seems the failure
happens very rarely, but it happens.

-- 
  .''`.  Aurelien Jarno             | GPG: 1024D/F1BCDB73
 : :' :  Debian developer           | Electrical Engineer
 `. `'   [EMAIL PROTECTED]         | [EMAIL PROTECTED]
   `-    people.debian.org/~aurel32 | www.aurel32.net

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