On Fri, 2011-06-17 at 16:50 +0300, Pekka Enberg wrote: > On Fri, 17 Jun 2011, Sasha Levin wrote: > > Implement the keyboard reset method which allows guest kernel > > to reboot the guest using the keyboard controller. > > > > This will allow guest kernel to reboot the guest when it needs to, > > for example - kernel panic (when passing "panic=1" as kernel parameter). > > > > Based on Pekka Enberg's patch. > > > > Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx> > > Does this work for you? For me it get stuck with this: > > [ 0.833234] Rebooting in 1 seconds.. > # > # vCPU #0's dump: > # > > Registers: > ---------- > rip: ffffffff8106130a rsp: ffff880013c03f88 flags: 0000000000000046 > rax: ffffffff81c15300 rbx: ffffffff81c00010 rcx: 0000000031798af5 > rdx: 0000000000000000 rsi: 00000000000000ff rdi: 00000000000000f0 > rbp: ffff880013c03f88 r8: 0000000000000000 r9: 0000000000000000 > r10: 0000000000000000 r11: 0000000000000001 r12: 0000000000000000 > r13: 0000000000000000 r14: ffffffffffffffff r15: 0000000000013d70 > cr0: 000000008005003b cr2: 0000000000000000 cr3: 0000000001c03000 > cr4: 00000000000006f0 cr8: 0000000000000000 > > Segment registers: > ------------------ > register selector base limit type p dpl db s l g avl > cs 0010 0000000000000000 ffffffff 0b 1 0 0 1 1 1 0 > ss 0018 0000000000000000 ffffffff 03 1 0 1 1 0 1 0 > ds 0000 0000000000000000 ffffffff 00 0 0 0 0 0 0 0 > es 0000 0000000000000000 ffffffff 00 0 0 0 0 0 0 0 > fs 0000 0000000000000000 ffffffff 00 0 0 0 0 0 0 0 > gs 0000 ffff880013c00000 ffffffff 00 0 0 0 0 0 0 0 > tr 0040 ffff880013c0ec00 00002087 0b 1 0 0 0 0 0 0 > ldt 0000 0000000000000000 ffffffff 00 0 0 0 0 0 0 0 > gdt ffff880013c04000 0000007f > idt ffffffff81da7000 00000fff > > APIC: > ----- > efer: 0000000000000d01 apic base: 00000000fee00900 nmi: enabled > > Interrupt bitmap: > ----------------- > 0000000000000000 0000000000000000 0000000000000000 0000000000000000 > > Code: > ----- > rip: [<ffffffff8106130a>] <unknown> > > > > Stack: > ------ > > which seems to be in native_halt: > > ffffffff81061300 t native_halt > ffffffff81061310 t native_clts > Yes: [ 1.844359] Rebooting in 1 seconds.. # KVM session ended normally. Can you try passing "reboot=k" as an additional kernel parameter and see if it works then? Maybe keyboard reset isn't set as default. -- Sasha. -- 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
