On Wed, Jun 22, 2011 at 10:35:24AM -0700, Dan McCabe wrote:
> My SNB laptop completely locks up every now and then (maybe twice a
> day). Is there any good way to look at post-mortem data to help my
> diagnose this issue.
>
> I've seen discussions suggesting that I ssh into the machine, but I
> can't even do that.
>
> TIA
>
> cheers, danm
Netconsole is nice for capturing the last dying breaths (with the
appropriate drm.debug flags, I usually use 0x6, but I guess 0xe is the
safest).
Assuming netconsole is built as a module, you can run something like
this on the crashing machine:
modprobe netconsole
netconsole=6665@${IP_ADDRESS}/eth0,6666@${REMOTE_IP}/${REMOTE_MAC}
And this on some remote machine:
netcat -u -l -p 6666
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