On 12/14/06, Andreas Ericsson <[EMAIL PROTECTED]> wrote: > Jonathan Call wrote: > > > > Given your ideas and some google work I seem to have found my problem: > > > > http://lists.freebsd.org/pipermail/freebsd-hackers/2005-August/013247.ht > > ml > > > > Not a pretty discussion. :( > > > > Nope. Definitely not. > > The problem for Nagios is that threading was added after the fact so > nagios actually breaks some of the *strong* recommendations on what to > do and what not to do in a threaded application after a fork(). > > The problem for *BSD and their thread implementation of the thread > library is that Nagios actually works everywhere but on *BSD, and it > *often* works there too, but not always. This "often-but-not-always" is > usually a sign of a broken implementation, although exactly > "often-but-not-always" is a sign of the errors you'll run into when you > do what Nagios does post-fork(). > > I don't know of any other program that has the same problem on *BSD, but > it would be interesting to see if there's a common pattern so one can > pinpoint the exact pattern that causes the lock contention and races. It > would, from a practical point of view, be best to patch it in the > library, as that is a fix that would work for all possible future > problems as well, although it's technically more correct to fix it in > Nagios. > > Ugly discussion indeed. > > > > I'll try using a non SMP kernel to see it might help. If it doesn't this > > pretty much renders Nagios useless on FreeBSD. (Which makes me wonder > > why they even bother maintaining it in ports?) > > > > Out of curiousity, do you use passive checks, active checks or a mix of > both in your setup? > > -- > Andreas Ericsson [EMAIL PROTECTED] > OP5 AB www.op5.se > Tel: +46 8-230225 Fax: +46 8-230231 > > ------------------------------------------------------------------------- > Take Surveys. Earn Cash. Influence the Future of IT > Join SourceForge.net's Techsay panel and you'll get the chance to share your > opinions on IT & business topics through brief surveys - and earn cash > http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV > _______________________________________________ > Nagios-users mailing list > Nagios-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/nagios-users > ::: Please include Nagios version, plugin version (-v) and OS when reporting > any issue. > ::: Messages without supporting info will risk being sent to /dev/null >
Was there ever a solution found to this problem? -- Kyle Sexton ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ Nagios-users mailing list Nagios-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/nagios-users ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. ::: Messages without supporting info will risk being sent to /dev/null
