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Message-ID: <43e72e890911051654i19c18bf3nd397662ed79712c4@mail.gmail.com>
Date: Thu, 5 Nov 2009 16:54:14 -0800
From: "Luis R. Rodriguez" <mcgrof@...il.com>
To: linux-kernel@...r.kernel.org
Cc: netdev@...r.kernel.org
Subject: Using netconsole and getting double prints
I'm getting double prints when using netconsole. This used to happen
to me and then I just enable debugging log level manually (dmesg -n 8)
but now no matter what I try I always get double prints.
For example:
[ 23.425448] console [netcon0] enabled
[ 23.425567] netconsole: network logging started
[ 23.425448] console [netcon0] enabled
[ 23.425567] netconsole: network logging started
[ 32.856073] eth0: no IPv6 routers present
[ 32.856073] eth0: no IPv6 routers present
[ 66.307342] kmemleak: 6 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
[ 66.307342] kmemleak: 6 new suspected memory leaks (see
/sys/kernel/debug/kmemleak)
Instead of dmesg -8 I'm now using ignore_loglevel as a kernel
parameter but I still get double prints. This also happens if I use
"debug" as a kernel parameter instead.
The netconsole is set up on the dev box as follows through an /etc/rc.local
dhclient eth0
IP=192.168.2
# sudo dmesg -n 8
modprobe netconsole netconsole=@...h0,6666@...P}/
exit 0
I capture my data with netcat script (I call it netlog):
#!/bin/bash
echo "You should now run in another window: tail -f $HOME/log"
while true; do
/bin/nc -u -l -p 6666 >> $HOME/log
done
This also just doesn't work if I run the nc manually without a redirect:
while true; do /bin/nc -u -l -p 6666; done
Any ideas?
Luis
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