[Qemu-devel] [Bug 1007269] Re: Can’t inst all or boot up 32bit win8 guest.

[Yongjie Ren]

For 32bit Win8, I used different cpu mode and got different results as 
following.
n270:   can boot up
athlon:  fail (Error code: 0x0000005D)
pentium3:  can boot up
pentium2:   fail(Error code: 0x0000005D)
Pentium:  fail(error code: 0xc0000260)
486:      fail(error code: 0xc0000260)
Coreduo:  can boog up 
Kvm32:  can boot up 
Qemu32:  can boot up
Kvm64:  can bootup 
Core2duo:  can boot up
Phenom:  can boot up
Qemu64:  fail (Error code: 0x0000005D)

address@hidden ~]# qemu-system-x86_64 -cpu ?
x86           [n270]
x86         [athlon]
x86       [pentium3]
x86       [pentium2]
x86        [pentium]
x86            [486]
x86        [coreduo]
x86          [kvm32]
x86         [qemu32]
x86          [kvm64]
x86       [core2duo]
x86         [phenom]
x86         [qemu64]

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1007269

Title:
  Can’t install or boot up 32bit win8 guest.

Status in QEMU:
  New

Bug description:
  Environment:
  ------------
  Host OS (ia32/ia32e/IA64):ia32e
  Guest OS (ia32/ia32e/IA64):ia32e
  Guest OS Type (Linux/Windows):Linux(rhel6u1)
  kvm.git Commit:51bfd2998113e1f8ce8dcf853407b76a04b5f2a0
  qemu-kvm Commit:3fd9fedb9fae4517d93d76e93a2924559cacf2f6
  Host Kernel Version:3.4.0-rc7
  Hardware:WSM-EP,Romley-EP

  
  Bug detailed description:
  --------------------------
  it can't install or boot up 32bit Win8(Consumer Preview Update 2) guest. The 
guest will crash with the following error, while 64bit Win8 and 32bit Win7 
guest work fine. 
  -----Win8 Error-------
  Your computer needs to restart.
  Please hold down the power button.
  Error code: 0x0000005D
  Parameters:
  0x03060D03
  0x756E6547
  0x49656E69
  0x6C65746E
  -----Win8 Error-------

  "0x0000005D" code means "UNSUPPORTED_PROCESSOR" in Windows.

  BTW, you can get 32bit Win8 ISO from the following website. 
  http://windows.microsoft.com/en-US/windows-8/iso

  
  Reproduce steps:
  ----------------
  1. get 32 bit win8 ISO
  2. prepare a disk image: dd if=/dev/zero of=/root/win8-32.img bs=1M 
count=16384
  3. start a guest to install 32bit win8: qemu-system –m 4096 –smp 4 –hda 
/root/win8-32.img –cdrom /media/32bit-Win8.iso
  4. if you have a 32bit win8 image,try to boot it up

  
  Current result:
  ----------------
  32bit Win8 guest crash

  Expected result:
  ----------------
  32bit win8 guest boot up correctly

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1007269/+subscriptions