On 10/17/2010 12:14 PM, Dave Young wrote:
On Sun, Oct 17, 2010 at 5:34 PM, Avi Kivity<avi@xxxxxxxxxx> wrote: > 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. > Hi, please see: http://userweb.kernel.org/~davey/tmp/trace.dat
Was this done with an old version of trace-cmd? Please use the latest git. Make sure you have udis86 and udis86-devel installed when you build it.
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