Jan Kasprzak <kas@informatics.muni.cz> wrote: > > I had a strange failure of my Linux router yesterday. It is quite > uncommon setup, but I wonder what could have caused this. The router > started to dump the following messages into the syslog, and it stopped > routing so our network was not reachable from the outside world: > > Feb 24 21:26:49 router kernel: impossible 888 > Feb 24 21:39:20 router kernel: ible 888 > Feb 24 21:39:20 router kernel: impossible 888 > Feb 24 21:39:20 router last message repeated 42 times > Feb 24 21:39:20 router kernel: impossible 888 > Feb 24 21:39:21 router kernel: NET: 344 messages suppressed. > Feb 24 21:39:21 router kernel: dst cache overflow > Feb 24 21:39:21 router kernel: impossible 888 > Feb 24 21:39:21 router last message repeated 275 times > [... and so on ...] Have you applied those grsecurity patches ? I'm getting the same messages with it from time to time when hosts forget to log off. But most of them are harmless and only useful for debugging your firewall-rules. *Kristian :... [snd.science] ...: :: :: http://www.korseby.net :: http://gsmp.sf.net :..........................: - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html