Date: Tue, 06 Nov 2007 08:59:12 +0100 From: Kris Kennaway <kris@FreeBSD.org> To: Doug Poland <doug@polands.org> Cc: freebsd-stable@freebsd.org, Ivan Voras <ivoras@freebsd.org> Subject: Re: 7.0-BETA1 & 2 occasionally freezing, how to diagnose? Message-ID: <47301ED0.9050001@FreeBSD.org> In-Reply-To: <20071106014729.GB56023@polands.org> References: <472F7BE9.8080807@polands.org> <fgo4jr$9m4$2@ger.gmane.org> <20071106014729.GB56023@polands.org>
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Doug Poland wrote: > 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 Try disabling it; it (actually acpi_throttle, which powerd uses) is known to cause hangs on dual core systems at least. Kris
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