Upgraded to 2.6.33-rc5, same qemu-kvm version, same hardware. The Vnc screen is still black and the virtual machine, but now I don't have anymore messages in the logs but directly at standard output: KVM internal error. Suberror: 2 extra data[0]: 80000010 extra data[1]: 80000b0d rax 0000000000000003 rbx 0000000000000065 rcx 0000000000000000 rdx 00000000000003ce rsi 0000000000000000 rdi 0000000000007ad0 rsp 0000000000006eb0 rbp 0000000000000000 r8 0000000000000000 r9 0000000000000000 r10 0000000000000000 r11 0000000000000000 r12 0000000000000000 r13 0000000000000000 r14 0000000000000000 r15 0000000000000000 rip 000000000000014a rflags 00010002 cs c000 (000c0000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) ds 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) es f000 (000f0000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) ss 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) fs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) gs 0000 (00000000/0000ffff p 1 dpl 3 db 0 s 1 type 3 l 0 g 0 avl 0) tr 0000 (feffd000/00002088 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 0/3ff cr0 10 cr2 0 cr3 0 cr4 0 cr8 0 efer 0 -- 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