RE: [Xen-users] Windows NT HVM fail to install

[Claudemir Todo Bom <devel@xxxxxxxxx>]

Em Qui, 2008-11-20 às 09:24 +1100, James Harper escreveu:
> > Hi folks,
> > 
> > I am trying to install Windows NT 4 as a Xen HVM DomU to run some legacy
> > applications.
> > 
> > right on the start of installation it gives me a BSOD with the following
> > message:
> > 
> > *** STOP: 0x0000003E (0x00000080,0x00000000,0x00000000,0x00000000)
> > 
> > after some digging on the web, i noticed that this bug also occurs when
> > Windows NT is being installed on newer machines with HyperThreading and
> > Multiple Cores.
> > 
> > I tried to run it without acpi, apic, pae and always get the same error
> > screen. Tried to search on documentation to find some option that will
> > show to Windows NT a single-core, single-thread processor, but not found
> > any!
> > 
> > Does somebody have a hint on how I need to proceed to install it?
> > 
> 
> According to the DDK docs:
> 
> Bug Check 0x3e = MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED
> The MULTIPROCESSOR_CONFIGURATION_NOT_SUPPORTED bug check has a value of
> 0x0000003E. This indicates that the system has multiple processors, but
> they are asymmetric in relation to one another.
> 
> If vcpus=1 then that is a bit puzzling...
> 
> Maybe you need to fiddle with the cpuid setting so that NT gets a cpuid
> value that it can understand.

I do not know anything about cpuid setting, google searchs returned some
patches to xen, but none of them with something that I can learn how to
use.

Other google searchs on the 0x3e error returned group messages with
people having this problems with the first HyperThreading Intel
processors, the suggestion for then was always disable HT on BIOS.

Just to check, i ran a Linux CD instead of the Windows NT Install on the
same machine, here follows the /proc/cpuinfo of that boot:

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 23
model name      : Intel(R) Xeon(R) CPU E5430 @ 2.66GHz
stepping        : 6
cpu MHz         : 2666.744
cache size      : 6144 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 10
wp              : yes
flags           : fpu vme de pse tsc msr mce cx8 apic sep mtrr pge mca
cmov pat clflush mmx fxsr sse sse2 constant_tsc pni ssse3 cx16 sse4_1
bogomips        : 5340.58
clflush size    : 64
power management:

I noticed that there is no "ht" flag, but if there is a way to make the
HVM guest to see a Pentium II, Pentium 3 or even a first of the Pentium
4 processors, I think it will solve my problem.

Best Regards,
Claudemir


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