How to check if netconsole really works?

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http://askubuntu.com – I installed netconsole using the instrunctions given here: https://wiki.ubuntu.com/Kernel/Netconsole dmesg | grep netconsole says everything is OK, but I won't believe it so easily:) How can I make Ubuntu generate some kernel message in order to see if netconsole really works and sends everything to the other computer? I tried: logger -p kern.alert "test message" # this apparently talks to syslog only echo "test message" >/dev/kmsg and wrote a small program that just did a segfault. All this generated entries in /var/log/kern.log, but not in dmesg and it was NOT copied via netconsol (HowTos)