Date: Mon, 26 Nov 2007 19:58:41 +0000 From: Bruce Cran <bruce@cran.org.uk> To: Giorgos Keramidas <keramida@ceid.upatras.gr> Cc: Ceri Davies <ceri@submonkey.net>, questions@freebsd.org Subject: Re: Strange kernel log message Message-ID: <474B2571.7090801@cran.org.uk> In-Reply-To: <20071126112106.GC2283@kobe.laptop> References: <20071126095833.GA6422@submonkey.net> <20071126112106.GC2283@kobe.laptop>
next in thread | previous in thread | raw e-mail | index | archive | help
Giorgos Keramidas wrote: > On 2007-11-26 09:58, Ceri Davies <ceri@submonkey.net> wrote: > >> So I have this in my security run output: >> kernel log messages: >> +++ /tmp/security.hLYJI0kF Sun Nov 25 03:01:02 2007 >> +<<<<222>2>>>NNNMNMMIII M III SIISAS SAAA 3 303,020,0 ,, EE IEIIESSSAIAA S A f ffffff >> + >> + >> +f >> >> WTF now? >> >> I'm not sure if that's a real kernel message that got garbled or whether >> I should be worried about naughtiness. >> > > It looks like multiple messages overlapping each other. Removing 3 > characters every 4 bytes in the output produces things which seem > vaguely recognizable: > > <22NNI II A ,,,EISA fff > <<2>NMI SS 300 ISAAfff > > There's a sysctl option which you can tweak to make this less likely to > happen, but I am not sure about its name. Our console gurus can help > you track it down and tune its value :) > > The kernel option I've seen mentioned before to at least make this less common is: options PRINTF_BUFR_SIZE=128 # Prevent printf output being interspersed. -- Bruce
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?474B2571.7090801>