On Mon, Sep 25, 2006 at 04:51:46PM -0400, Orathai Sukwong wrote:
> Hi,
>
> I've tried to bring the 32bit WinXP guest up on the Fedore Core 6-xen. My
> xen release is 2.6.17-1.2647.fc6xen and version #1 SMP Wed Sep 13 13:26:53
> EDT 2006. xen_caps are xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p. My
> machine is running the Fedora Core 6 i686. The problem is that when I booted
> the WinXP guest, it crashed. Here are some debugging info:
>
> (XEN) (GUEST: 5) unsupported PCI BIOS function 0x0E
> (XEN) (GUEST: 5) int13_harddisk: function 15, unmapped device for ELDL=81
> (XEN) 0f 6f, This opcode isn't handled yet
> (XEN) handle_mmio: failed to decode instruction
> (XEN) mmio opcode: va 0xf81393c0, gpa 0xf00783c0, len 3: 0f 6f 06
> (XEN) domain_crash_sync called from platform.c:869
> (XEN) Domain 5 (vcpu#0) crashed on cpu#0:
> (XEN) ----[ Xen-3.0-unstable Not tainted ]----
> (XEN) CPU: 0
> (XEN) EIP: 0008:[<bf902854>]
> (XEN) EFLAGS: 00010202 CONTEXT: hvm
> (XEN) eax: f81393c0 ebx: e10875cc ecx: 0000002a edx: 00000008
> (XEN) esi: f81393c0 edi: e10875d2 ebp: f86440d4 esp: f86440c8
> (XEN) cr0: 80010031 cr3: 001f9ea0
> (XEN) ds: 0023 es: 0023 fs: 0030 gs: 0000 ss: 0010 cs: 0008
> (XEN) sh_update_paging_modes: postponing determination of shadow mode
> (XEN) (file=hvm.c, line=195) Allocated port 3 for hvm.
> (XEN) vmx_do_launch(): GUEST_CR3<=001f9ea0, HOST_CR3<=2bd03000
> (XEN) (file=event_channel.c, line=176) EVTCHNOP failure: domain 0, error
> -22, line 176
>
> domid: 6
> qemu: the number of cpus is 1
> shared page at pfn:1ffff, mfn: 21d54
> buffered io page at pfn:1fffd, mfn: 21d56
> char device redirected to /dev/pts/2
> bind interdomain ioctl error 22
>
> Any ideas what went wrong? Please help me. Thank you.
This is a bug in the HVM emulation layer. In some cases it needs to emulate
instructions, but it looks like WinXp issues one it was unable to emulate
yet. I checked upstream xen-unstable.hg repository there's still no support
for this. Please enter a bugzilla ticket with the details from this mail so
the problem can be tracked. I'm afraid there's no immediate work around I
can think of to make this work, so you might want to try Windows 2k instead
which I believe has been getting more upstream testing than XP
Regards,
Dan.
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