Messages in this thread | | | Date | Sat, 15 Oct 2005 15:56:31 +0800 | From | Coywolf Qi Hunt <> | Subject | Re: Forcing an immediate reboot |
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On 10/15/05, Anton Altaparmakov <aia21@cam.ac.uk> wrote: > On Fri, 14 Oct 2005, Lee Revell wrote: > > On Fri, 2005-10-14 at 18:46 -0700, Marc Perkel wrote: > > > Is there any way to force an immediate reboot as if to push the reset > > > button in software? Got a remote server that i need to reboot and > > > shutdown isn't working. > > > > If it has Oopsed, and the "reboot" command does not work, then all bets > > are off - kernel memory has probably been corrupted. > > > > Get one of those powerstrips that you can telnet into and power cycle > > things remotely. > > If it has sysrq compiled in as root just do: > > echo s > /proc/sysrq-trigger > echo u > /proc/sysre-trigger > echo s > /proc/sysrq-trigger
What the purpose of the second sync?
> echo b > /proc/sysrq-trigger > > This will "sync", "umount/remount read-only", "sync", "immediate hardware > reboot". Should always work... -- Coywolf Qi Hunt http://sosdg.org/~coywolf/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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