Messages in this thread | | | From | Benjamin Schindler <> | Subject | Re: netconsole not working on 2.6.17.6 | Date | Wed, 4 Oct 2006 19:10:44 +0200 |
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On Wednesday 04 October 2006 18:05, Matt Mackall wrote: > On Wed, Oct 04, 2006 at 01:26:54PM +0200, Benjamin Schindler wrote: > > On Tuesday 03 October 2006 18:37, you wrote: > > > Benjamin Schindler wrote: > > > > Hi > > > > > > > > I'm unsuccesfully trying to get networking to work - I've got two > > > > boxes > > > > that > > > > > > can ping each other: 192.168.0.101 and 192.168.0.102 - I load the > > > > netconsole > > > > > > module: > > > > > > > > modprobe netconsole > > > > netconsole=6666@192.168.0.102/eth0,6666@192.168.0.101/00:02:44:34:5d: > > > >f6 > > > > > > > > In dmesg I get: > > > > > > > > netconsole: local port 6666 > > > > netconsole: local IP 192.168.0.102 > > > > netconsole: interface eth0 > > > > netconsole: remote port 6666 > > > > netconsole: remote IP 192.168.0.101 > > > > netconsole: remote ethernet address 00:02:44:34:5d:f6 > > > > netconsole: network logging started > > > > > > > > I start wireshark/tcpdump whatever - and load a few modules just to > > > > produce > > > > > > some kernel messages. However, noething leaves the wire but I get all > > > > the messages in dmesg. > > > > > > > > What's wrong here? > > > > > > > > Thanks > > > > Benjamin Schindler > > > > > > > > P.s. please cc me as I'm not subscribed to this list > > > > > > Are you pointing to the correct MAC? Have you tried to compile the > > > netconsole as built-in? > > > > Yes, I'm pointing at the correct MAC, but since wireshark doesn't see in > > the networl, I doubt anything actually is sent. > > No, I have not tried to compile netconsole into the kernel because of > > flexibility. Anyway, I have investiaged further: > > I ran this systemtap script: > > > > probe module("netconsole").function("write_msg@drivers/net/netconsole.c") > > { printf("WriteMsg called\b") > > } > > > > Once this script was run, I rmmod and modprobe'd my wireless-module a few > > times to generate some dmesg output, but according to systemtap, this > > function never gets called. > > So, either the call to register_console in netconsole fails, is wrong or > > there is a but in register_console > > The usual problem is that the console log level is set too low.
I did 'echo 9 4 1 7 > /proc/sys/kernel/printk' and nothing changed. I also tried to set the log level to 9 using sysrq (dmesg confirmed), but I still don't get any messages Thanks - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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