Date: Mon, 4 Apr 2005 20:16:21 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Jesper Wallin <jesper@hackunite.net> Cc: freebsd-security@freebsd.org Subject: Re: Strange messages in dmesg after DDoS-attack. Message-ID: <20050404201428.C4511@odysseus.silby.com> In-Reply-To: <1614.213.112.198.172.1112663454.squirrel@mail.hackunite.net> References: <1614.213.112.198.172.1112663454.squirrel@mail.hackunite.net>
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On Tue, 5 Apr 2005, Jesper Wallin wrote: > Dear list, > > A few days ago one of my machines were attacked by a DDoS-attack using UDP > on random ports.. When I later on analyzed the logs, I found this in my > dmesg: > > xl0: initialization of the rx ring failed (55) > xl0: initialization of the rx ring failed (55) > xl0: initialization of the rx ring failed (55) > > I tried to find out on google what it ment, but without any luck. What > does that mean and how can I correct it (if it's a problem of course). > > > Best regards, > Jesper Wallin It means that we have a bug in the xl driver, probably nothing too serious. Were there any other xl0 related messages, like "watchdog timeout"? My guess is that we have a problem under high traffic conditions, and the DDoS would qualify as that. Mike "Silby" Silbersack
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