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Re: [Xen-devel] minor copy&paste error in vmx.c ?

from [Stefan Kaltenbrunner]

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To:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject:	Re: [Xen-devel] minor copy&paste error in vmx.c ?
From:	Stefan Kaltenbrunner <stefan@xxxxxxxxxxxxxxxx>
Date:	Mon, 07 Aug 2006 19:05:11 +0200
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Keir Fraser wrote:
> 
> 
> On 6/8/06 1:33 pm, "Stefan Kaltenbrunner" <stefan@xxxxxxxxxxxxxxxx> wrote:
> 
>> with that change in place i get the following when trying to boot a
>> OpenBSD/AMD64 kernel:
>>
>> (XEN) (GUEST: 1) Booting from CD-Rom...
>> (XEN) invalid cr: 8
> 
> Perhaps cr8 isn't emulated properly. Probably not very hard to fix if that's
> the case.

netbsd/amd64 fails in a similiar way:

(XEN) invalid cr: 8
(XEN) __hvm_bug at vmx.c:1822
(XEN) ----[ Xen-3.0-unstable    Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    0008:[<ffffffff802c6b8d>]
(XEN) RFLAGS: 0000000000000246   CONTEXT: hvm
(XEN) rax: 0000000000000000   rbx: 0000000000000000   rcx: ffffffff80a5a420
(XEN) rdx: 0000000000000286   rsi: 0000000000000001   rdi: 0000000000000000
(XEN) rbp: 0000000000000000   rsp: ffffffff80aa4ef0   r8:  ffffffff803a2400
(XEN) r9:  0000000000000720   r10: ffffffff80aa4ed0   r11: 0000000000000008
(XEN) r12: 0000000000000000   r13: 0000000000000000   r14: 0000000000000000
(XEN) r15: 0000000000000000   cr0: 000000008005003b   cr3: 00000000b21f6000
(XEN) ds: 0010   es: 0010   fs: 0000   gs: 0000   ss: 0010   cs: 0008
(XEN) domain_crash_sync called from vmx.c:1822
(XEN) Domain 24 (vcpu#0) crashed on cpu#1:
(XEN) ----[ Xen-3.0-unstable    Not tainted ]----
(XEN) CPU:    1
(XEN) RIP:    0008:[<ffffffff802c6b8d>]
(XEN) RFLAGS: 0000000000000246   CONTEXT: hvm
(XEN) rax: 0000000000000000   rbx: 0000000000000000   rcx: ffffffff80a5a420
(XEN) rdx: 0000000000000286   rsi: 0000000000000001   rdi: 0000000000000000
(XEN) rbp: 0000000000000000   rsp: ffffffff80aa4ef0   r8:  ffffffff803a2400
(XEN) r9:  0000000000000720   r10: ffffffff80aa4ed0   r11: 0000000000000008
(XEN) r12: 0000000000000000   r13: 0000000000000000   r14: 0000000000000000
(XEN) r15: 0000000000000000   cr0: 000000008005003b   cr3: 00000000b21f6000
(XEN) ds: 0010   es: 0010   fs: 0000   gs: 0000   ss: 0010   cs: 0008

netbsd/amd64 is actually able to get much further then OpenBSD/AMD64 -
but both seem to suffer from the same bug/issue.
OpenBSD/i386 and NetBSD/386 seem to work fine as a VT guest btw.

Stefan

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