On Sun, Oct 17, 2010 at 4:54 PM, Dave Young <hidave.darkstar@xxxxxxxxx> wrote: > linux guest can not startup normally, qemu keep rebooting. > > host & guest both use linux-2.6.36-rc8+ kernel BTW, qemu cmdline with -kernel will more likely trigger this bug > > Add a dump_stack in x86.c around EXIT_SHUTDOWN code, I got: > [ 3924.503041] Pid: 1685, comm: qemu-system-x86 Not tainted 2.6.36-rc8+ #62 > [ 3924.503045] Call Trace: > [ 3924.503055] Â[<ffffffffa0176047>] handle_triple_fault+0x11/0x26 [kvm_intel] > [ 3924.503060] Â[<ffffffffa01772d2>] vmx_handle_exit+0x3df/0x474 [kvm_intel] > [ 3924.503080] Â[<ffffffffa021f203>] kvm_arch_vcpu_ioctl_run+0x95f/0xc43 [kvm] > [ 3924.503087] Â[<ffffffff81503e54>] ? __mutex_unlock_slowpath+0x11c/0x131 > [ 3924.503101] Â[<ffffffffa021e1f9>] ? kvm_arch_vcpu_load+0x90/0xe6 [kvm] > [ 3924.503112] Â[<ffffffffa0210faf>] kvm_vcpu_ioctl+0x109/0x54a [kvm] > [ 3924.503117] Â[<ffffffff810bee76>] ? fire_user_return_notifiers+0x2c/0x36 > [ 3924.503122] Â[<ffffffff8106be93>] ? trace_hardirqs_on+0xd/0xf > [ 3924.503127] Â[<ffffffff81002789>] ? do_notify_resume+0x717/0x73d > [ 3924.503131] Â[<ffffffff8103994e>] ? finish_task_switch+0x69/0xda > [ 3924.503135] Â[<ffffffff8110628c>] do_vfs_ioctl+0x4c3/0x50d > [ 3924.503139] Â[<ffffffff8110632b>] sys_ioctl+0x55/0x77 > [ 3924.503142] Â[<ffffffff81002c02>] system_call_fastpath+0x16/0x1b > > Anyone can help on this? > -- Regards dave -- 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
