Date: Thu, 24 Sep 1998 01:53:00 -0500 From: Tom Jackson <toj@silverback.gorilla.net> To: Peter Wemm <peter@netplex.com.au>, Pierre.Dampure@barclayscapital.com Cc: fn@radio-do.de, freebsd-smp@FreeBSD.ORG, freebsd-current@FreeBSD.ORG Subject: Re: Weired top display at smp current kernel from today Message-ID: <19980924015300.A807@TOJ.org> In-Reply-To: <199809221644.AAA08290@spinner.netplex.com.au>; from Peter Wemm on Wed, Sep 23, 1998 at 12:44:19AM %2B0800 References: <711DCB8FB391D111B9DD00805F8BDDBAF7ED39@exips0019.itops.ldn.bzwint.com> <199809221644.AAA08290@spinner.netplex.com.au>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi Peter, I was really constipated about this on smp until I saw a posting from you and one by Mike Smith that told me others were having this problem. As discussed by Mike, people using a script in rc.d to fire up 2 rc5des's see this regular. X is not involved in this case. When I boot, and it happens about every other day including today, both rc5des's are running at 50/50 on one cpu and init is running 100 on the other. There is no login prompt so I have to login from another machine, comment out the rc5des starts and reboot. Then start the rc5des's manually. What's funny is this happens almost invariably every other day. Thinking about rebuilding world for today and see if it corrects itself. btw, I'm running ELF, no softupdates, on a asus p2l97-ds w 128 MB ecc RAM. I'll keep lurking and checking for yours or Mike's fix :) On Wed, Sep 23, 1998 at 12:44:19AM +0800, Peter Wemm wrote: > Pierre.Dampure@barclayscapital.com wrote: > > > > Frank, > > > > Are you by any chance running an ELF version of X? I experienced pretty > > weird results over the past few days with and ELF X (built as per the port > > mods posted to the list): a make world running under X would basically bring > > the box to a halt, massive delays when typing characters on any of the other > > VTs, etc... this is on a box with 384Mb RAM, SMP w/PPro 200/512 and more > > than 256Mb free / no swap used, doing nothing else than the build. > > Two things.. > > 1: There have been some clock tweaks in the last few days that might > affect this. > > 2: Try (humor me :-) booting up into single user, running a few commands > (eg: sync; sync; sync; fsck -p; ls) and then doing a ctrl-D to go into > multi-user. > > If this (#2) is the key to making your system work properly, then you are > seeing the same problem I've been unable to put a finger on for ages. > None of the other SMP folks saw it, but only I was running ELF at the time. > > Somebody else (John Hay) mentioned that this fixes his problem, but it's > not clear whether (or when) he's using elf. > > The annoying thing was that it appeared to be the combination of ELF > executables and SMP that caused the problem. Also, having init spawn 12 > /usr/libexec/getty processes would kill the system too. > > I had decided that it was something peculiar with my system that was > causing this. If other people are seeing it now, I'll be greatly relieved > to know that I wasn't imagining it. :-) (and also worried, because this > is a show-stopper) > > Cheers, > -Peter > > > Best Regards, > > > > > > PY > > > > -----Original Message----- > > From: Frank Nobis [mailto:fn@radio-do.de] > > Sent: Monday, September 21, 1998 2:01 PM > > To: freebsd-smp@FreeBSD.ORG > > Cc: freebsd-current@FreeBSD.ORG > > Subject: Weired top display at smp current kernel from today > > > > > > Running a mkae world -j4 I noticed only 50% idle time during the make. > > > > Running just two programs whit a busy loop gives that output fron top > > > > last pid: 314; load averages: 1.84, 0.75, 0.30 > > 14:55:17 > > 45 processes: 3 running, 42 sleeping > > CPU states: 50.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 50.0% > > idle > > Mem: 7080K Active, 6332K Inact, 16M Wired, 100K Cache, 3457K Buf, 473M Free > > Swap: 199M Total, 199M Free > > > > PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU CPU COMMAND > > 308 fn 90 0 748K 236K RUN 1 1:36 50.00% 49.97% pig > > 310 fn 91 0 748K 236K RUN 1 0:57 49.18% 49.02% pig > > 311 fn 28 0 1568K 908K CPU1 1 0:00 0.00% 0.00% top > > > > Is this a bug in top? Can someone reproduce that? > > > > pig is simply 'for(;;) i++;' > > > > Regards > > Frank > > > > -- > > Frank Nobis Email: PGP AVAILABLE > > Landgrafenstr. 130 dg3dcn http://www.radio-do.de/~fn/ > > 44139 Dortmund Powered by FreeBSD > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-smp" in the body of the message > -- Tom -- IMail Server for Windows NT. Evaluation version. Copyright (c) 1995-98 Ipswitch, Inc. http://www.ipswitch.com/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19980924015300.A807>