| Re: [OT] Re: IDL Segmentation Fault [message #51211 is a reply to message #51203] |
Mon, 06 November 2006 10:55   |
K. Bowman
Messages: 330
Registered: May 2000
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Senior Member |
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In article <eig68d$4im$1@news.nems.noaa.gov>,
Paul van Delst <Paul.vanDelst@noaa.gov> wrote:
> Yeah it's a lot of crashes. This was my first ever foray into the non-PC linux world and,
> boy, it makes windows machines look supa-stable. I reboot my linux desktop about, oh,
> twice a year -- that the reliability I'm used to. Granted laptops are another ball of wax,
> but even there I think once a month is too often. Macbook pro constant crashes are very
> common (google it.. I was amazed). The sad thing is that the first piece of hardware that
> Apple produced that wasn't apparently rock-solid is the one I started with. Good timing,
> hey? :o)
> There are multiple issues with the sleeping/crashing problems with Intel macbook pros. By
> far and away the most common theory is that, in some cases, the temperature sensor wires
> are too close to the CPU heat sink and, since these machines run hot, sometimes the wire
> casing melts away causing intermittent shorting and the machine shuts down. Googling this
> topic will get you many hits. I have had one person tell me about a lid-latch issue -
> somehow the sensor that detects the laptop is open is tripped even when it's closed and
> the thing wakes up while in your laptop back .. and is very hot when it comes out. In
> other cases, not turning off the bluetooth auto-detect may be causing the laptops to wake
> up en route somewhere and again, it's hot when it comes out of the bag.
>
> I haven't yet figured out why my laptop was crashing contantly, but I suspect its hotness.
> It only happens when it's connected to all my other bits at home (display, external drive,
> wireless mouse/keyboard); on travel using it as an actual laptop it's fine. At home,
> making it hibernate rather than sleep helped - the inconvenience of having to press the
> "on" button and wait about 2-3 minutes for it to wake up is acceptable compared to the
> alternative.
Is your laptop simply shutting itself off, is the whole system crashing with a kernel panic,
or is an individual application crashing? The shutdowns are common enough to have been
labeled "Random Shutdown Syndrome". That problem is heat related, and Apple will fix it.
If it is crashing, rather than shutting down, that sounds like a software issue.
There have been some reports of laptops inadvertently switching on inside carrying bags due
to motion that might case the case to open slightly. There is a tip on Tidbits
http://db.tidbits.com/article/8702
that shows how to turn off automatic startup when the lid is opened. I did this to
my G4 Powerbook to prevent it from coming on accidentally. Now I simply open the
computer and touch the shift key to wake it.
Ken Bowman
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