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Date:      Tue, 10 Mar 2009 18:18:42 +0100
From:      Roland Smith <rsmith@xs4all.nl>
To:        Ralf Folkerts <ralf.folkerts@gmx.de>
Cc:        freebsd-amd64@freebsd.org
Subject:   Re: Random reboots with FreeBSD-7 STABLE
Message-ID:  <20090310171842.GB28789@slackbox.xs4all.nl>
In-Reply-To: <49B69763.3040108@gmx.de>
References:  <49B69763.3040108@gmx.de>

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On Tue, Mar 10, 2009 at 05:37:55PM +0100, Ralf Folkerts wrote:
> Hi,
>=20
> for quite a while I've been struggling with random reboots of my FBSD=20
> amd64-Box.
>=20
> It *always* happens when I'm "in" X; usually while using firefox3. It=20
> may not happen 7 days but then three days in a row.

Sounds like hardware trouble.
=20
> So, I turn on the Machine (I don't start kdm/xdm), Log-On to a Text-Mode=
=20
> Console, run startx. Then I start Firefox and surf to some news-sites.=20
> Them during scrolling in Firefox (it did happen once from Thunderbird=20
> but never e.g. from Netbeans) the screen gets black and the system=20
> reboots. In a very few cases the System didn't reboot but just hang and=
=20
> had to be resetted.

> In order to get some diagnostic info I connected a serial console to the=
=20
> machine -- however, nothing re. the crash/reboot is being displayed on=20
> it. In the few cases when the box hung the serial console was also=20
> unresponsive. The serial console itself is working OK (i.e. the=20
> boot-loader is being displayed as are the boot-messages and also=20
> messages like the drm-ones when starting X and the "root Login" messages.
>=20
> I'd really like to get rid of this problem -- however, is there anything=
=20
> I can do in such a case?

It could be a dying powersupply, or a loose cable. If you have a spare
powersupply, swap it out. Or have it tested instead. Sometimes checking
if all the cables are connected properly might help.

You might want to look into this as well:

> pid 1215 (nepomukservicestub), uid 1001: exited on signal 11 (core dumped)


Roland
--=20
R.F.Smith                                   http://www.xs4all.nl/~rsmith/
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