On Mon, Feb 08, 2010 at 01:45:01PM +0100, Jan Kiszka wrote: > Avi Kivity wrote: > > On 02/08/2010 02:04 PM, Jan Kiszka wrote: > >> Avi, > >> > >> with 2c8232f over kvm-kmod and "qemu-system-x86_64 -m 256 vm-image.qcow2 -snapshot -serial stdio -s -smp 2" I just got this: > >> > >> > > > > What is vm-image.qcow2? > > > >> KVM internal error. Suberror: 1 > >> rax 0000000000000000 rbx 0000000000006f08 rcx 0000000000000000 rdx 0000000000000052 > >> rsi 0000000000000000 rdi 00000000000f4fd4 rsp 0000000000006ed8 rbp 00000000000f7280 > >> r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11 0000000000000000 > >> r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 0000000000000000 > >> rip 00000000f000ff53 rflags 00010016 > >> > > > > ffffff53 is an 'iret'. But f000ff53 doesn't make sense. > > > >> cs 0008 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type b l 0 g 1 avl 0) > >> ds 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0) > >> es 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0) > >> ss 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0) > >> fs 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0) > >> gs 0010 (00000000/ffffffff p 1 dpl 0 db 1 s 1 type 3 l 0 g 1 avl 0) > >> tr 0000 (00000000/0000ffff p 1 dpl 0 db 0 s 0 type b l 0 g 0 avl 0) > >> ldt 0000 (00000000/0000ffff p 1 dpl 0 db 0 s 0 type 2 l 0 g 0 avl 0) > >> gdt f7a20/37 > >> idt f8aa0/0 > >> cr0 11 cr2 0 cr3 0 cr4 0 cr8 0 efer 0 > >> emulation failure > >> > >> Before that run, I started the very same VM and shut it down via > >> system_powerdown. This is reproducible! > >> > > > > Not sure I understand. This is with -snapshot, so how can a previous > > run have any effect? > > > >> Maybe it's the same issue that causes the #UD regression with > >> -no-kvm-irqchip. > > > > I wasn't able to reproduce. > > > > Looks like tried to outsource my own bugs: I was on queues/vcpu-state, > ie. my state writeback rework, and I'm unable to reproduce over qemu-kvm > master. Will do my homework. > Saw this behaviour in my testing. Sometimes during startup I get similar errors. Wasn't sure that this is not my fault, so didn't report. -- Gleb. -- 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