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Wizumwalt
Guru
Joined: 20 Aug 2006
Posts: 547
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 Posted: Sun May 29, 2011 1:26 am Post subject: netconsole, eth0 doesn't exist |
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I'm passing in "netconsole=..." parameters for the kernel, but my issue is that eth0 hasn't been initialized and doesn't yet exists; therefore, netconsole won't start.
Here's some dmesg output.
| Code: |
[ 0.000000] Command line: root=/dev/vda video=vesafb:mtrr,ywrap vga=0xF07 net
console=6665@192.168.115.25/eth0,6666@192.168.5.11/00:13:4c:43:ea:03
[ 0.710997] netconsole: local port 6665
[ 0.712068] netconsole: local IP 192.168.115.25
[ 0.713148] netconsole: interface 'eth0'
[ 0.715052] netconsole: remote port 6666
[ 0.716108] netconsole: remote IP 192.168.5.11
[ 0.717185] netconsole: remote ethernet address 00:13:4c:43:ea:03
[ 0.718348] netconsole: eth0 doesn't exist, aborting.
[ 0.719461] netconsole: cleaning up
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Anyone have ideas? |
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BradN
Advocate
Joined: 19 Apr 2002
Posts: 2391
Location: Wisconsin (USA)
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| Posted: Sun May 29, 2011 1:41 am Post subject: |
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| Is your ethernet driver compiled into the kernel? It sounds like a setup like this won't work with the driver in a module unless netconsole is also a module and loaded after the ethernet module. |
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Wizumwalt
Guru
Joined: 20 Aug 2006
Posts: 547
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| Posted: Sun May 29, 2011 6:46 pm Post subject: |
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In the first post, I had it compiled into the kernel. So I tried to make it a module, and I added the params to /etc/conf.d/modules and it loaded, but it had to force eth0 to load first.
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[ 6.342326] netconsole: local port 6665
[ 6.342329] netconsole: local IP 192.168.115.25
[ 6.342330] netconsole: interface 'eth0'
[ 6.342332] netconsole: remote port 6666
[ 6.342333] netconsole: remote IP 192.168.5.11
[ 6.342338] netconsole: remote ethernet address 00:13:4c:43:ea:03
[ 6.342353] netconsole: device eth0 not up yet, forcing it
[ 6.342844] netconsole: carrier detect appears untrustworthy, waiting 4 seconds
[ 10.343272] console [netcon0] enabled
[ 10.343274] netconsole: network logging started
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| Code: |
modules_2_6="netconsole"
module_netconsole_args_2_6="netconsole=6665@192.168.115.25/eth0,6666@192.168.5.11/00:13:4c:43:ea:03"
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So even though I think it's loaded correctly (lsmod shows it), output is going to stdout on the src-ip (115.25), and not the dest-ip (5.11) where ncat is running, and I have the parameter line as req'd in /usr/src/linux/Documentation/networking/netconsole.txt.
Can anyone look that over to make sure i've got it correct. |
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BradN
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Joined: 19 Apr 2002
Posts: 2391
Location: Wisconsin (USA)
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| Posted: Sun May 29, 2011 7:10 pm Post subject: |
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| Unfortunately I've never used netconsole so I'm not sure what syntax it expects there. |
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