graphic: 0.922 mistranslation: 0.875 device: 0.811 boot: 0.808 semantic: 0.674 instruction: 0.642 vnc: 0.533 other: 0.486 socket: 0.419 network: 0.415 assembly: 0.122 KVM: 0.006 OS/2 Warp 4.52 OS2LVM failure When I try to boot OS/2 Warp 4.51 (Merlin), 4.52 (Aurora) or eCS 1.2.5, etc. I always get an exception in OS2LVM (TRAP 000E). You can reproduce the bug using this disk image: https://drive.google.com/open?id=1zzjs9hTS0TK-Xb5hnon8SQ-2C1EmlYfy Is this a regression on previous behaviour or has never worked? What is the command line you used to launch QEMU? What version have you tested on? As far as I know it has never worked. I have checked it on version 2.11 and attached a link to my disk image. I used qemu-system-i386w -cpu pentium3 -m 128 -hda c.img -boot c [Expired for QEMU because there has been no activity for 60 days.]