Emulation failure

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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

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