Date: Mon, 5 Nov 2007 19:47:29 -0600 From: Doug Poland <doug@polands.org> To: Ivan Voras <ivoras@freebsd.org> Cc: freebsd-stable@freebsd.org Subject: Re: 7.0-BETA1 & 2 occasionally freezing, how to diagnose? Message-ID: <20071106014729.GB56023@polands.org> In-Reply-To: <fgo4jr$9m4$2@ger.gmane.org> References: <472F7BE9.8080807@polands.org> <fgo4jr$9m4$2@ger.gmane.org>
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On Mon, Nov 05, 2007 at 11:14:13PM +0100, Ivan Voras wrote:
> Doug Poland wrote:
> > Hello,
> >
> > I've been having frequent problems with BETA1 and now BETA2
> > "freezing". There is no diagnostic information, nothing in
> > /var/log/messages, nothing, just a hung interface. I cannot ssh
> > into the machine and it appears the box ceases to communicate on
> > SSH. A couple of times I've had screen corruption on the laptop's
> > LCD display.
> >
> > Every time it hands I'm running Xorg 7.3, Thunderbird, Firefox,
> > pidgin, and a bunch of xterms.
> >
> > Is there something I can do to diagnose this issue?
>
> Only random generic troubleshooting items:
>
> - how's your heating?
>
the fan on the laptop runs continuously, sometimes on high speed. I
typically see temps between 140 (mostly idle) -> 165 (make -j4
buildworld) Fahrenheit.
> screen corruption looks like memory or bus errors.
>
In my situation, it usually manifests itself as the external LCD monitor
goes blank (says "no signal") and the bottom half of the internal LCD
gets weird, multi-colored square patterns.
> are you running powerd?
>
yes: I recently started running powerd, within the last couple of weeks
> - can you set up a serial or firewire connection to it and monitor the
> machine from there ("screen corruption" may also mean a kernel message
> being printed in text mode, in the part of memory now mapped for
> graphics - if this is the case you'll see the message over the serial
> console).
>
I've done serial console redirection before but this laptop has no
serial port. Can I get console redirection via firewire? Can you point
me at some docs?
--
Regards,
Doug
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