Messages in this thread | | | Date | Sun, 10 Aug 2008 13:29:24 -0400 (EDT) | From | Jan Engelhardt <> | Subject | Re: Does sysrq break something? |
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On Monday 2008-05-12 14:16, Tetsuo Handa wrote: >Hello. > >I'm trying to get a sysrq dump when the system hangs. >But unfortunately, typing sysrq key from the keyboard >doesn't work after the system hangs. >So, I'm trying to get a sysrq dump by automatically >writing to /proc/sysrq-trigger using a program.
(a) make sure sysrq-over-keyboard is enabled (b) if the system does not react to sysrq, it is unlikely it is servicing any processes at all (c) try xt_SYSRQ (xtables-addons 1.5.5), to hopefully trigger sysrq over the network (receive routine may run in interrupt context).
>In other words, does invoking sysrq routine break or taint something?
No.
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