Date: Thu, 24 Sep 1998 16:56:39 -0500 From: Tom Jackson <toj@silverback.gorilla.net> To: freebsd-current@FreeBSD.ORG Subject: Re: Weired top display at smp current kernel from today Message-ID: <19980924165639.A408@TOJ.org> In-Reply-To: <19980924015300.A807@TOJ.org>; from Tom Jackson on Thu, Sep 24, 1998 at 01:53:00AM -0500 References: <711DCB8FB391D111B9DD00805F8BDDBAF7ED39@exips0019.itops.ldn.bzwint.com> <199809221644.AAA08290@spinner.netplex.com.au> <19980924015300.A807@TOJ.org>
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Rebuiding world didNot work and manually starting the 2 rc5des clients put both on one cpu. Using an aout init *did* fix the problem... Ugh.. On Thu, Sep 24, 1998 at 01:53:00AM -0500, Tom Jackson wrote: > 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-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
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