Re: [BUG] kvm: guest can not startup due to triple fault

Avi Kivity
2010-10-17T09:34:58Z

On 10/17/2010 10:54 AM, Dave Young wrote:
> linux guest can not startup normally, qemu keep rebooting.
>
> host& guest both use linux-2.6.36-rc8+ kernel
>
> 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] [<ffffffffa0176047>] handle_triple_fault+0x11/0x26 [kvm_intel]
> [ 3924.503060] [<ffffffffa01772d2>] vmx_handle_exit+0x3df/0x474 [kvm_intel]
> [ 3924.503080] [<ffffffffa021f203>] kvm_arch_vcpu_ioctl_run+0x95f/0xc43 [kvm]
> [ 3924.503087] [<ffffffff81503e54>] ? __mutex_unlock_slowpath+0x11c/0x131
> [ 3924.503101] [<ffffffffa021e1f9>] ? kvm_arch_vcpu_load+0x90/0xe6 [kvm]
> [ 3924.503112] [<ffffffffa0210faf>] kvm_vcpu_ioctl+0x109/0x54a [kvm]
> [ 3924.503117] [<ffffffff810bee76>] ? fire_user_return_notifiers+0x2c/0x36
> [ 3924.503122] [<ffffffff8106be93>] ? trace_hardirqs_on+0xd/0xf
> [ 3924.503127] [<ffffffff81002789>] ? do_notify_resume+0x717/0x73d
> [ 3924.503131] [<ffffffff8103994e>] ? finish_task_switch+0x69/0xda
> [ 3924.503135] [<ffffffff8110628c>] do_vfs_ioctl+0x4c3/0x50d
> [ 3924.503139] [<ffffffff8110632b>] sys_ioctl+0x55/0x77
> [ 3924.503142] [<ffffffff81002c02>] system_call_fastpath+0x16/0x1b
>
> Anyone can help on this?

Please provide a trace (trace-cmd record -e kvm) leading to the failure.

--
error compiling committee.c: too many arguments to function