Re: Seabios incompatible with Linux 2.6.26 host?

Pierre Riteau
2010-02-05T14:27:43Z

On 4 févr. 2010, at 15:34, Pierre Riteau wrote:

> Hello,
> I'm having trouble running the latest qemu-kvm code on Debian Lenny (Linux 2.6.26).
> qemu-kvm dies with an error like this one:
> exception 13 (0)
> rax 0000000000000010 rbx 0000000000008c00 rcx 0000000000006ebe rdx 00000000000c8c00
> rsi 00000000e2010000 rdi 00000000000c0000 rsp 0000000000006eb4 rbp 00000000e2010000
> r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11 0000000000000000
> r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 0000000000000000
> rip 00000000000fdeb0 rflags 00033002
> 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 (feffd000/00002088 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 f7a20/37
> idt f8aa0/0
> cr0 10 cr2 0 cr3 0 cr4 0 cr8 0 efer 0
> code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 --> 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> I think I traced back the issue to the switch from Bochs BIOS to Seabios. By forcing the usage of Bochs BIOS 5f08bb45861f54be478b25075b90d2406a0f8bb3 works, while it dies without the -bios override.
> Unfortunately, newer versions don't seem to work with Bochs BIOS.
>
> Upgrading the host kernel to 2.6.32 (Debian Squeeze) solves the issue. No problem on Fedora 12 as well.

Am I the only one to see this issue?

--
Pierre Riteau -- PhD student, Myriads team, IRISA, Rennes, France