From: Sheng Yang <sheng@linux.intel.com>
To: kvm@vger.kernel.org
Cc: "Saksena, Abhishek" <abhishek.saksena@intel.com>
Subject: Re: KVM bug
Date: Fri, 24 Jul 2009 10:39:14 +0800 [thread overview]
Message-ID: <200907241039.15368.sheng@linux.intel.com> (raw)
In-Reply-To: <4158487B9DEE0647BA23911D1C2279576823D8E1@orsmsx501.amr.corp.intel.com>
On Friday 24 July 2009 04:59:51 Saksena, Abhishek wrote:
> Hi
> I am trying to boot a patched version of Boch's BIOS on KVM. It works fine
> with Qemu with -no-kvm option. However I get following with KVM
The first thing come to my mind is your bios lacks some reserved page for VMX.
See qemu-kvm/kvm/bios/rombios.c for E820 layout in KVM. And is your bios
bigger than 256KB?
--
regards
Yang, Sheng
>
>
> unhandled vm exit: 0x80000021 vcpu_id 0
> rax 0000000000000000 rbx 000000000000133a rcx 0000000000000000 rdx
> 0000000000000008 rsi 0000000000000008 rdi 0000000000000008 rsp
> 00000000000011a4 rbp 00000000000011bc r8 0000000000000000 r9
> 0000000000000000 r10 0000000000000000 r11 0000000000000000 r12
> 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15
> 0000000000000000 rip 00000000000007ca rflags 00023046
> cs f000 (000f0000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0)
> ds 88f9 (00088f9b/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 c181 (000c1810/0000ffff 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 (fffbd000/00002088 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 88f6b/30
> idt 0/3ff
> cr0 0 cr2 0 cr3 0 cr4 0 cr8 0 efer 0
> Abort
>
>
>
>
>
> I am not sure what's going on but expecting some bug in KVM and will
> appreciate some help.
>
>
> As forum don't accept posting with attachments. I can forward the BIOS
> image to anybody who wants to help.
>
>
> Thanks
> Abhishek
>
> --
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next prev parent reply other threads:[~2009-07-24 2:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-23 20:59 KVM bug Saksena, Abhishek
2009-07-24 2:39 ` Sheng Yang [this message]
2009-07-26 11:36 ` Avi Kivity
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