Re: Seabios incompatible with Linux 2.6.26 host?

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Pierre Riteau wrote:
> 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?
> 

The oldest kernels I've running here are 2.6.27. They all run kvm-kmod,
and they are all happy (mostly).

Are you using the KVM support 2.6.26 provided or are you on some recent
kvm-kmod? The latter is highly recommended for tons of reasons.

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux
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