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Date:      Mon, 26 Aug 2002 14:37:02 -0700 (PDT)
From:      Patrick Thomas <root@utility.clubscholarship.com>
To:        Bruce M Simpson <bms@spc.org>
Cc:        Peter Wemm <peter@wemm.org>, Lars Eggert <larse@ISI.EDU>, David Malone <dwmalone@maths.tcd.ie>, "Brian T. Schellenberger" <bts@babbleon.org>, <freebsd-hackers@freebsd.org>
Subject:   Re: top shows all zeroes.
Message-ID:  <20020826143559.J58763-100000@utility.clubscholarship.com>
In-Reply-To: <20020826212939.GR27670@spc.org>

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I will note that my system is a dual processor system, no APM hardware in
it, and I have an identical machine running a kernel built from an
identical kernel configuration file running an identical FreeBSD system
that has _never_ had the problem.



On Mon, 26 Aug 2002, Bruce M Simpson wrote:

> On Mon, Aug 26, 2002 at 11:02:50AM -0700, Peter Wemm wrote:
> > This has happened before.  For some reason, the RTC stops sending the 128Hz
> > statclock (statistics clock) interrupts.  One way to unwedge that in the past
> > was to break into ddb and do a 'show rtc' command.. but that is hardly a
> > solution.  I thought we had solved this problem.
> >
> > APM however is a known culprit for causing badness here.
>
> I should add that my Vaio has APM compiled into the kernel. I've also done
> the vmstat -i inspection briefly, all interrupt counters seem to be
> incrementing as normal. This problem may have cropped up after a set of
> suspend/resume sequences; right now I've had 3 warm reboots since
> yesterday (the laptop has been plugged in and unmoved), the problem has not
> yet manifested itself, but when I last noticed it, I had been suspending
> and resuming between leaving home and work.
>
> I realize this is purely anecdotal but I'll continue to observe for the
> problem re-emerging.
>
> BMS
>


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