Re: kvm-intel kernel panicing 2.6.22 on T7200

Jindrich Makovicka
2007-07-10T06:26:42Z

On Thu, 14 Jun 2007 17:46:14 +0200
Magicboiz <magicboiz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> wrote:

> with VNC option, we had better luck: we got an Oops!!:
>
> Jun 14 17:37:35 linux kernel: [ 575.212000] BUG: unable to handle
> kernel NULL pointer dereference at virtual address 00000024
[...]
> Jun 14 17:37:35 linux kernel: [ 575.212000] EIP is at mmu_free_roots
> +0x54/0x90 [kvm]
> Jun 14 17:37:35 linux kernel: [ 575.212000] eax: 00000000 ebx:
> 00000000 ecx: 07892001 edx: 000f1240
> Jun 14 17:37:35 linux kernel: [ 575.212000] esi: 00000000 edi:
> d12c10a0 ebp: 60000010 esp: d0861b30
> Jun 14 17:37:35 linux kernel: [ 575.212000] ds: 007b es: 007b fs:
> 00d8 gs: 0000 ss: 0068
> Jun 14 17:37:35 linux kernel: [ 575.212000] Process qemu (pid: 7402,
> ti=d0860000 task=d2fb6a40 task.ti=d0860000)
> Jun 14 17:37:35 linux kernel: [ 575.212000] Stack: d12c10a0 d12c10a0
> 60000011 f92fc271 d12c10a0 f92fc298 d12c10a0 f92f9166
> Jun 14 17:37:35 linux kernel: [ 575.212000] d12c0000 00000001
> 000004e6 d12c10a0 d0861c64 d0861c54 d0861c94 f92f929a
> Jun 14 17:37:35 linux kernel: [ 575.212000] d12c10a0 f9307320
> 00000022 00000022 00000022 f9300f11 d0861c64 d0861c5c
> Jun 14 17:37:35 linux kernel: [ 575.212000] Call Trace:
> Jun 14 17:37:35 linux kernel: [ 575.212000] [<f92fc271>]
> destroy_kvm_mmu+0x21/0x40 [kvm]
[...]

I have the same problem, but only with SLUB allocator. SLAB
works ok.

--
Jindrich Makovicka