[Qemu-devel] [Bug 921208] Re: win7/x64 installer hangs on startup with 0x0000005d.

[Alexandre Derumier]

I could you try with "-cpu host,level=2"

I see you have a westmere cpu, and maybe this is related:


I'm developper on the proxmox distribution.

We are using kvm git, and one of our user can't boot guest win7x64 
with -cpu host. (but it's working with linux guest).

It's working fine with -cpu host,level=9

but not with -cpu host,level=10 or level=11.


We also try with new Westermere cpudefs in target-x86_64.conf 
(see redhat patches from february 2012)

[cpudef]
   name = "Westmere"
   level = "11"
   vendor = "GenuineIntel"
   family = "6"
   model = "44"
   stepping = "1"
   feature_edx = "sse2 sse fxsr mmx clflush pse36 pat cmov mca pge mtrr sep 
apic cx8 mce pae msr tsc pse de fpu"
   feature_ecx = "aes popcnt sse4.2 sse4.1 cx16 ssse3 sse3"
   extfeature_edx = "i64 syscall xd"
   extfeature_ecx = "lahf_lm"
   xlevel = "0x8000000A"
   model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)"


That also doesn't without change level < 10.

User also report that "-cpu host" was working fine with qemu 0.15.

I see that other intel cpudefs in target-x86_64.conf have level=2, maybe
does it need to be the same for westmere ?

Best Regards,

Alexandre Derumier

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https://bugs.launchpad.net/bugs/921208

Title:
  win7/x64 installer hangs on startup with 0x0000005d.

Status in QEMU:
  New

Bug description:
  hi,

  during booting win7/x64 installer i'm observing a bsod with 0x0000005d
  ( msdn: unsupported_processor ).

  used command line: qemu-system-x86_64 -m 2048 -hda w7-system.img
  -cdrom win7_x64.iso -boot d

  adding '-machine accel=kvm' instead of default tcg accel helps to
  boot.

  
  installed software:

  qemu-1.0
  linux-3.2.1
  glibc-2.14.1
  gcc-4.6.2

  hw cpu:

  processor       : 0..7
  vendor_id       : GenuineIntel
  cpu family      : 6
  model           : 42
  model name      : Intel(R) Core(TM) i7-2630QM CPU @ 2.00GHz
  stepping        : 7
  microcode       : 0x14
  cpu MHz         : 1995.739
  cache size      : 6144 KB
  physical id     : 0
  siblings        : 8
  core id         : 3
  cpu cores       : 4
  apicid          : 7
  initial apicid  : 7
  fpu             : yes
  fpu_exception   : yes
  cpuid level     : 13
  wp              : yes
  flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca 
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx 
rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology 
nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 
cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave avx 
lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi flexpriority ept vpid
  bogomips        : 3992.23
  clflush size    : 64
  cache_alignment : 64
  address sizes   : 36 bits physical, 48 bits virtual

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