Re: [ANNOUNCE] 3.0.14-rt31 - ksoftirq running wild - FEC ethernetdriver to blame? Yep

From: Steven Rostedt
Date: Wed Feb 01 2012 - 15:27:45 EST

On Wed, 2012-01-25 at 10:31 +0100, Tim Sander wrote:

> Bad news, the ksoftirq(sirq-net-tx) error seems to happen not so often any
> more but it still happens :-(.


Is the system still usable when this happens? If so, can you configure
in ftrace, and run a trace on what ksoftirq is doing:

mkdir /debug
mount -t debugfs nodev /debug
cd /debug/tracing
echo <pid-of-ksoftirq> > set_ftrace_pid
echo function > current_tracer
cat trace


-- Steve

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