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[Qemu-devel] [Bug 1256826] Re: INT instruction bug in WindowsXP


From: Jackend
Subject: [Qemu-devel] [Bug 1256826] Re: INT instruction bug in WindowsXP
Date: Tue, 03 Dec 2013 09:43:08 -0000

** Description changed:

  This bug is in -no-kvm mode.
  
  In windowsXP at IDT entry 2&8 is Task gate
  
  when application use INT 2 or INT 8 it will cause blue screen in XP.
  
- I found it should cause #GP not generate hw interrupt.
+ I found it should cause #GP but not generate hw interrupt.
  
  also I check this bug with -enable-kvm and works correctly.

** Description changed:

  This bug is in -no-kvm mode.
  
  In windowsXP at IDT entry 2&8 is Task gate
  
  when application use INT 2 or INT 8 it will cause blue screen in XP.
  
  I found it should cause #GP but not generate hw interrupt.
  
- also I check this bug with -enable-kvm and works correctly.
+ also I check this bug with -enable-kvm & my PC and works correctly.

-- 
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https://bugs.launchpad.net/bugs/1256826

Title:
  INT instruction bug in WindowsXP

Status in QEMU:
  New

Bug description:
  This bug is in -no-kvm mode.

  In windowsXP at IDT entry 2&8 is Task gate

  when application use INT 2 or INT 8 it will cause blue screen in XP.

  I found it should cause #GP but not generate hw interrupt.

  also I check this bug with -enable-kvm & my PC and works correctly.

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