Messages in this thread |  | | | Date | Sat, 14 Jul 2012 15:14:15 +0100 | | From | Al Viro <> | | Subject | Re: Kernel boot hangs on commit "switch fput to task_work_add" |
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On Sat, Jul 14, 2012 at 09:58:49PM +0800, Fengguang Wu wrote: > > Hi Al, here I got the output for > > > > (qemu) sendkey alt-sysrq-l > > (qemu) sendkey alt-sysrq-t > > I repeated that several times and here are the results. > > (qemu) sendkey alt-sysrq-l > (qemu) sendkey alt-sysrq-l > (qemu) sendkey alt-sysrq-l > (qemu) sendkey alt-sysrq-t > (qemu) sendkey alt-sysrq-t > (qemu) quit > > The user space shutdown is polling on something, which prevents the > system from reboot..
Which userland it is?
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