[Qemu-devel] [Bug 855664] Re: 64-bit windows guest cannot boot up

[Yongjie Ren]

I found this bug in memory/queue branch of qemu.git on September 21st.
As some codes in memory branch were merged into master branch, the
master tree of qemu.git also has this issue now.

** Description changed:

- qemu.git commit: 6cc7686696f73ae87cadef4450776a488b0e0c8b
+ qemu.git (memory/queue branch) commit: 
6cc7686696f73ae87cadef4450776a488b0e0c8b
+ or qemu.git (master branch) commit: 8843cf40c0f482949e6ae9d0119e45d6b96fe890
  kvm.git commit: 7f914d61cd2156e34a7852462bb4932621f33a34
  
  64-bit Windows guest cannot boot up, but 32-bit windows guest can boot
  up successfully. For Win7, it will show blue scream of death when
  booting up. For Windows XP, the guest hangs without blue screen when
  booting up. But when I use qemu-kvm.git with commit a040d28b, I won't
  meet this issue. I did the comparative test in the same box and using
- the same command line to create a guest. BTW, I tested qemu-kvm.git not
- qemu.git before kernel.org was down.
+ the same command line to create a guest.
+ 
+ I found this bug in memory/queue branch of qemu.git on September 21st.
+ As some codes in memory branch were merged into master branch, the
+ master tree of qemu.git also has this issue now.
+ 
+ I found the following git log in master tree. And that merger maybe 
introduced this issue in master tree.
+ commit 36f490b176afab3096e9c2877b365354f67e269d
+ Merge: ebffe2a 0d95952
+ Author: Anthony Liguori <address@hidden>
+ Date: Fri Oct 14 10:44:52 2011 -0500
+ 
+     Merge remote-tracking branch 'qemu-kvm-tmp/memory/batch' into
+ staging
  
  Reproduce steps:
  ----------------
  1. to create a guest: qemu-system-x86_64 -m 1024 -smp 2  -hda 
/root/win7-64bit.img

** Changed in: qemu
       Status: Invalid => New

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https://bugs.launchpad.net/bugs/855664

Title:
  64-bit windows guest cannot boot up

Status in QEMU:
  New

Bug description:
  qemu.git (memory/queue branch) commit: 
6cc7686696f73ae87cadef4450776a488b0e0c8b
  or qemu.git (master branch) commit: 8843cf40c0f482949e6ae9d0119e45d6b96fe890
  kvm.git commit: 7f914d61cd2156e34a7852462bb4932621f33a34

  64-bit Windows guest cannot boot up, but 32-bit windows guest can boot
  up successfully. For Win7, it will show blue scream of death when
  booting up. For Windows XP, the guest hangs without blue screen when
  booting up. But when I use qemu-kvm.git with commit a040d28b, I won't
  meet this issue. I did the comparative test in the same box and using
  the same command line to create a guest.

  I found this bug in memory/queue branch of qemu.git on September 21st.
  As some codes in memory branch were merged into master branch, the
  master tree of qemu.git also has this issue now.

  I found the following git log in master tree. And that merger maybe 
introduced this issue in master tree.
  commit 36f490b176afab3096e9c2877b365354f67e269d
  Merge: ebffe2a 0d95952
  Author: Anthony Liguori <address@hidden>
  Date: Fri Oct 14 10:44:52 2011 -0500

      Merge remote-tracking branch 'qemu-kvm-tmp/memory/batch' into
  staging

  Reproduce steps:
  ----------------
  1. to create a guest: qemu-system-x86_64 -m 1024 -smp 2  -hda 
/root/win7-64bit.img

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