Aus CrazyLinux

http://en.wikibooks.org/wiki/Linux_Guide/Freezes#Alt.2BSysRq

Using Netconsole to See Kernel Messages

The kernel has support for a feature called "netconsole". You can use it to send the console messages from the kernel to another host on your front-side network. http://coraid.com/support/cln/CLN-HOWTO/ar01s09.html