Re: Remotely rebooting a machine with state 'D' processes, how?

[Linus Torvalds]

In article <[e-mail]> you write:
>How can I reboot a stuck machine remotely, when there are uninterruptable
>processes arround? shutdown -r, reboot [-n] [-f], telinit 6 do not give the
>intended results. Localy I can use Alt-SysRq-S/U/B, but what if I still have a
>remote ssh connection and don't want to have to get to the machines location?
>
>Of course the real problem are the processes themselves, but being able to
>revive a machine is also nice ;)

You have to use the reboot() system call directly as root, with the
proper arguments to make it avoid doing even any sync. See

	man 2 reboot

for details.

		Linus