Date: Thu, 7 Dec 2000 13:22:49 -0600 (CST) From: David Talkington <dtalk@prairienet.org> To: Matt Rudderham <matt@researcher.com> Cc: Tobias Roth <roth@iamexwi.unibe.ch>, tanbin <tanbin@empworld.com>, freebsd-questions@FreeBSD.ORG Subject: RE: mysterious power reset Message-ID: <Pine.LNX.4.21.0012071316520.1520-100000@sherman.spotnet.org> In-Reply-To: <NDBBLEKOOLGIBFPGLFEKCENFCJAA.matt@researcher.com>
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I've experienced similar phenomenon with certain PCMCIA NICs (involving top-quality brands of all involved equipment), so I've come to suspect some bizarre interaction with BIOS in some cases. I've known some hard-resets to be associated with cheap WinModems, too, on, um, other platforms. Very disconcerting. -- David Talkington Community Networking Initiative dtalk@prairienet.org 217-244-1962 PGP key: http://www.prairienet.org/~dtalk/dt000823.asc Matt Rudderham wrote: >Also, >I don't know if this would affect either of you, but this problem has popped >up a few times with some RealTek NICs. I had this problem, swapped the NIC >and my box has now been up over 40 days without a hitch. >- Matt > >> >> I experienced the very same thing two weeks ago with (then) >> FreeBSD 4.1 BETA. >> It could not have been a powerfailure, the monitor hanging on the >> same outlet >> still had power. >> >> I suspect it is a hardware problem, maybe a bad power supply. >> Healthd showed, >> that my power supply indeed delivers very unstable values. >> >> If this does not happen again, I am happy. If it does, the first >> thing I'll >> do is buy a better power supply. >> >> Of course that doesn't help you much, but I wanted you to know >> that you are >> not the only one with this problem. >> >> >> cheers, Tobe >> >> >> >> On Thu, Dec 07, 2000 at 01:00:09PM +0800, tanbin wrote: >> > Since 3 days ago, our freeBSD box has automatically power-down-then-up 3 >> > times. (This has happend only 3 times, all in the past 3 days.) >> > >> > The symptom is neither of a 'reboot' command, nor a power >> button activation, >> > but a reset button activation (or someone pressing the power >> button twice, >> > or switching off and on the power point on the wall, which are publicly >> > accessible). The last 2 times during the boot i saw "... file system not >> > cleanly unmounted. rebooting automatically". >> > >> > During all these reboots, i did not notice any power failure to >> my PC or the >> > office lighting. The freebsd box is in the same room, 20 meters >> away from >> > me. >> > >> > Is there any software/hardware fault that can trigger a >> power-reset? How do >> > I confirm the cause? If it's a disgruntled employee, then how >> do i track her >> > down? >> >> >> >> To Unsubscribe: send mail to majordomo@FreeBSD.org >> with "unsubscribe freebsd-questions" in the body of the message > > > >To Unsubscribe: send mail to majordomo@FreeBSD.org >with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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