Xref: utzoo comp.unix.internals:1344 comp.unix.questions:27483 Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!mcsun!cernvax!chx400!unizh!cap From: cap@ifi.unizh.ch Newsgroups: comp.unix.internals,comp.unix.questions Subject: Re: Problems with the crontab Message-ID: <1990Dec10.175446.9665@ifi.unizh.ch> Date: 10 Dec 90 17:54:46 GMT References: <1990Dec5.131108.17376@ifi.unizh.ch> Organization: University of Zurich, Department of Computer Science Lines: 33 In article <1990Dec5.131108.17376@ifi.unizh.ch> cap@ifi.unizh.ch writes: > >We observed the following problems with the cron on a SparcStation1 >under SunOS4.0.3: > >1) Several times processes are started too early than specified > (error of several seconds) > >2) One time out of approx. 10 times a process is even started TWICE. > The crontab contains a line that should start a process at the full > hour saying the time by copying a file to /dev/audio > Every now and then two such processes are started and we hear an > interleaving of two time-announcements. > >3) Even worse, we have similar problems with our dumps that get started > via crontab and crash from time to time when two dump processes > are started. I got a lot of answers - and so I am unable to thank everyone individually. So THANX FOR ALL THE ANSWERS. Summary: The problem seems to be a bug in SunOS 4.0.3 which seems to got fixed in SunOS 4.1. So ... it's upgrade time 8-) ... -- * Dr. Clemens H. CAP cap@ifi.unizh.ch Phone +01 257-4326 * Dept. of Computer Science University of Zurich Winterthurerstr. 190 * CH-8057 Zurich, Switzerland #include #exclude