[Qemu-devel] [Bug 1261265] Re: win7 guest boot up fail.

[chao zhou]

the first bad commit is:
commit 6eefccc0bb9c34051b1e21880fc3a1c1c8686edd
Author: Gerd Hoffmann <address@hidden>
Date:   Mon Dec 2 13:01:20 2013 +0100

    roms: update vgabios binaries

    This also switches from lgplvgabios to seavgabios.

    Signed-off-by: Gerd Hoffmann <address@hidden>

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https://bugs.launchpad.net/bugs/1261265

Title:
  win7 guest boot up fail.

Status in QEMU:
  New

Bug description:
  Environment:
  ------------
  Host OS (ia32/ia32e/IA64):ia32e
  Guest OS (ia32/ia32e/IA64):ia32e
  Guest OS Type (Linux/Windows):windows
  kvm.git Commit:d6d63b51fe3bfea0cf596993afa480b0b3b02c32
  qemu.git Commit:a1d22a367d5780c9553b2cd5a24f665534ce6ed6
  Host Kernel Version:3.13.0-rc1
  Hardware:Romley_EP, Ivytown_EP

  
  Bug detailed description:
  --------------------------
  when create a win7 guest, the guest boot up fail.

  note: 
  1. when create win2k3, win2k8 guest, the guest boot up fail.
  2. when create win8, win2012 guest, the guest boot up fine.
  3. this should be a qemu bug
  kvm      + qemu     =  result
  d6d63b51 + a1d22a36 =  bad
  d6d63b51 + 7dc65c02 =  good


  
  Reproduce steps:
  ----------------
  1. create guest
  qemu-system-x86_64 -enable-kvm -m 1024 -smp 2 -net none /root/win7.img

  Current result:
  ----------------
  win7 guest boot up fail

  Expected result:
  ----------------
  win7 guest boot up fine

  Basic root-causing log:
  ----------------------

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