[Qemu-devel] [Bug 1743214] [NEW] OS/2 Warp 3 support broken in 2.11

[MVoloshin]

Public bug reported:

Hello, I used to run OS/2 Warp 3 on QEMU with the following command line: 
qemu-system-i386 -vga cirrus -soundhw sb16 -hda os2warp3v2.img -boot c. It runs 
OK on QEMU 2.10, but immediately gives TRAP 0006 (invalid opcode?) on QEMU 2.11 
(see screenshot).
If it is important I have Fixpack 40 and GRADD installed in OS/2.
Here is the image:
https://drive.google.com/open?id=15umPecy7JlPLKUP6520MB_87CfrCDWO5

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: broken i386 os2 support trap warp

** Attachment added: "trap.PNG"
   https://bugs.launchpad.net/bugs/1743214/+attachment/5036800/+files/trap.PNG

** Tags added: i386

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https://bugs.launchpad.net/bugs/1743214

Title:
  OS/2 Warp 3 support broken in 2.11

Status in QEMU:
  New

Bug description:
  Hello, I used to run OS/2 Warp 3 on QEMU with the following command line: 
qemu-system-i386 -vga cirrus -soundhw sb16 -hda os2warp3v2.img -boot c. It runs 
OK on QEMU 2.10, but immediately gives TRAP 0006 (invalid opcode?) on QEMU 2.11 
(see screenshot).
  If it is important I have Fixpack 40 and GRADD installed in OS/2.
  Here is the image:
  https://drive.google.com/open?id=15umPecy7JlPLKUP6520MB_87CfrCDWO5

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