Hi, I got this error with qem-kvm-0.15.1 on kernel 3.1.0-1.2-desktop (OpenSUSE 12.1). I know I should rerun it with latest kernel/qemu but I hope maybe this rings a bell or something, because it'll take some time for me to prepare new kernel. KVM internal error. Suberror: 1 emulation failure RAX=00007ffff7ff9000 RBX=00007ffff7e93608 RCX=00007ffff5d4d81a RDX=0000000000000001 RSI=0000000000001000 RDI=0000000000000000 RBP=0000000069a07700 RSP=00007ffff7e934b0 R8 =0000000000000008 R9 =0000000000000000 R10=0000000000000002 R11=0000000000000246 R12=0000000069a07700 R13=00007ffff7e937d8 R14=0000003000704c04 R15=0000003000704c04 RIP=0000000000b1dd44 RFL=00010202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 ffffffff 00000000 FS =0000 00007ffff7e94700 ffffffff 00000000 GS =0000 0000000000000000 ffffffff 00000000 LDT=0000 0000000000000000 ffffffff 00000000 TR =0040 ffff88003aa0df80 00002087 00008b00 DPL=0 TSS64-busy GDT= ffff88003aa04000 0000007f IDT= ffffffff816ad000 00000fff CR0=80050033 CR2=00007ffff5a68180 CR3=00000000289ad000 CR4=000006f0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 Code=00 85 c0 75 5d 48 8b 05 5c f5 e1 00 48 83 b8 f0 00 00 00 00 <df> a8 f0 00 00 00 0f 88 a0 00 00 00 8b 05 4a f5 e1 00 48 89 44 24 80 df 6c 24 80 de c9 d8 The disassembled code is 0x1dd10: push %rbx 0x1dd11: mov $0x6e,%eax 0x1dd16: mov %rdi,%rbx 0x1dd19: sub $0x20,%rsp 0x1dd1d: test %rdi,%rdi 0x1dd20: je 0xb1dd92 0x1dd22: mov 0x4bf1e0(%rip),%eax 0x1dd28: cmp $0xffffffff,%eax 0x1dd2b: je 0xb1ddd0 0x1dd31: test %eax,%eax 0x1dd33: jne 0xb1dd92 0x1dd35: mov 0xe1f55c(%rip),%rax 0x1dd3c: cmpq $0x0,0xf0(%rax) 0x1dd44: fildll 0xf0(%rax) 0x1dd4a: js 0xb1ddf0 0x1dd50: mov 0xe1f54a(%rip),%eax 0x1dd56: mov %rax,-0x80(%rsp) 0x1dd5b: fildll -0x80(%rsp) 0x1dd5f: fmulp %st,%st(1) Not sure if it helps but rax after 0xb1dd35 contains the pointer to mmap'd memory of /dev/hpet -- Duy -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html