[Xen-devel] Re: Windows XP ACPI Installation

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

Does segment register DS have a non-zero base? The %rsi value dumped when
the VCPU crashes is not 0x18. Is the value dumped there bogus?

 -- Keir

On 5/11/07 11:45, "Guy Zana" <guy@xxxxxxxxxxxx> wrote:

> Hi,
> 
> I have a problem installing a Windows HVM with ACPI support (acpi=1).
> 
> Have anyone encountered this? What am I doing wrong?
> I added some printks in order to debug the problem, note where esi
> points to.
> 
> (XEN) instrlen.c:431:d1 Cannot emulate 6f at address bf96fd56 (bf96fd55,
> addr_by
> tes 4)
> (XEN) instrlen.c:440:d1 *org_pc opcode:
> (XEN)  0f 6f 06 0f 7f 07 83 c6
> (XEN)  08 83 c7 08 83 e9 08 83
> (XEN) esi = 00000018
> (XEN) handle_mmio: failed to get instruction length
> (XEN) domain_crash_sync called from platform.c:1049
> (XEN) Domain 1 (vcpu#0) crashed on cpu#0:
> (XEN) ----[ Xen-3.0-unstable  x86_64  debug=y  Not tainted ]----
> (XEN) CPU:    0
> (XEN) RIP:    0008:[<00000000bf96fd55>]
> (XEN) RFLAGS: 0000000000090202   CONTEXT: hvm
> (XEN) rax: 00000000f7dea918   rbx: 00000000e129c0da   rcx:
> 0000000000000044
> (XEN) rdx: 0000000000000008   rsi: 00000000f7dea918   rdi:
> 00000000e129c085
> (XEN) rbp: 00000000f8674608   rsp: 00000000f86745fc   r8:
> 0000000000000000
> (XEN) r9:  0000000000000000   r10: 0000000000000000   r11:
> 0000000000000000
> (XEN) r12: 0000000000000000   r13: 0000000000000000   r14:
> 0000000000000000
> (XEN) r15: 0000000000000000   cr0: 0000000080010031   cr4:
> 00000000000006d9
> (XEN) cr3: 00000000032c3000   cr2: 00000000bf93aaf2
> (XEN) ds: 0000   es: 0000   fs: 0000   gs: 0000   ss: 0010   cs: 0008
>  
> """
> (XEN) instrlen.c:440:d1 *org_pc opcode:
> (XEN)  0f 6f 06 0f 7f 07 83 c6
> (XEN)  08 83 c7 08 83 e9 08 83
> """
> 
> 0F6F06         MOVQ MM0,QWORD PTR DS:[ESI]
> 0F7F07         MOVQ QWORD PTR DS:[EDI],MM0
> 83C6 08        ADD ESI,8
> 83C7 08        ADD EDI,8
> 83E9 08        SUB ECX,8
> 
> """
> (XEN) esi = 00000018
> """
> 
> It happens in the phase where windows is "installing devices...".
> Another thing, is the HVM 64bit?
> 
> Thanks,
> Guy.



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