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How to enable debug logging for module ip_gre on linux 2.6?

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1 Answer 1

It looks like there is no output generated in ip_gre.c, except for

printk(KERN_INFO "GRE over IPv4 tunneling driver\n");
printk(KERN_INFO "ipgre init: can't add protocol\n");

and

printk(KERN_INFO "ipgre close: can't remove protocol\n");

So I'm afraid you're out of luck..

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I've looked a source code, there are no print at all. So, my question was a stupid, sorry. –  Boris Sep 15 '10 at 11:41
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