Date: Sun, 04 Aug 1996 00:44:46 -0700 From: David Greenman <dg@root.com> To: Michael Smith <msmith@atrad.adelaide.edu.au> Cc: current@freebsd.org Subject: Re: problem with -current system grinding to a halt... Message-ID: <199608040744.AAA13305@root.com> In-Reply-To: Your message of "Sun, 04 Aug 1996 12:52:44 %2B0930." <199608040322.MAA06694@genesis.atrad.adelaide.edu.au>
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> >I commented about this a day or few ago, but at that point I was still >chasing other possibilities, so here I go again 8) > >I have a reasonably -curent system that, under moderate load is dying >after about 18-20 hours of uptime. The system itself is a P120 on a >Triton board with 64M and an NCR PCI controller : > >FreeBSD mstradar.esrange.ssc.se 2.2-CURRENT FreeBSD 2.2-CURRENT #0: Mon Jul 15 13:16:26 MET DST 1996 msmith@spore.atrad.adelaide.edu.au:/usr/work/radarsys/compile/MSTRADAR i386 > >The system is being pushed fairly lightly, although there are some long-lived >processes that accumulate a lot of CPU (and have largeish swap footprints). >These large processes are all Linux a.out binaries (IDL). > >Symptoms are that the system remains pingable, and you can often get >through the telnet login sequence to the point where /usr/bin/login >is invoked but no further. As I type, the system just died under me again; >I was watching the output of 'systat -vmstat', quit and typed 'w' to check >the load. I got this : > >mstradar:/home/radar>w > 5:04AM up 19:28, 2 users, load averages: 0.00, 0.00, 0.00 >USER TTY FROM LOGIN@ IDLE WHAT > >and then nothing more. > >There have been no console or syslog messages to date from any of the >times that this has happened. Any suggestions as to where to start >looking would be appreciated; unfortunately due to the rather remote >location of the system I can't play DDB with it 8( This can happen if your nameserver isn't reachable. Have you tried "w -n" ? This disables the nameserver lookups and is useful for this specific problem. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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