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Message-ID: <4AF450FC.3020205@trash.net> Date: Fri, 06 Nov 2009 17:38:20 +0100 From: Patrick McHardy <kaber@...sh.net> To: "Luis R. Rodriguez" <mcgrof@...il.com> CC: linux-kernel@...r.kernel.org, netdev@...r.kernel.org Subject: Re: Using netconsole and getting double prints Luis R. Rodriguez wrote: > 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}/ Without a MAC address netconsole broadcasts the messages. So I'd guess the receiving system has multiple NICs and receives the message multiple times. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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