Hi Marcus,
Sorry for a late reply but I've been somewhat offline (skiing in France
actually).
Markus Schiltknecht wrote:
> I'm currently annoyed be sudden shutdowns of my laptop, just after
> booting. It mostly happens when my MacBook (Core Duo) is still cold.
> Also, stressing the CPU (i.e. compiling a kernel) seems to provoke that
> behavior, which is why I'm guessing it has to do with emergency
> shutdowns due to overheat.
>
> After four or five shutdowns, waiting a minute or two in between, the
> system finally starts up and doesn't die anymore, even if stressed.
>
> What's interesting, IMO, is that the fan doesn't even turn on before
> these shutdowns.
>
> I've applied the mactel linux patches to a plain vanilla 2.6.20 kernel.
> But I didn't even manage to figure out where to read the CPU temperature
> from. Also, can I configure the CPU frequency scaling somehow? Or the
> fan? Maybe I messed that up?
I've had somewhat similar experiences with my MBP C2D. My local Apple
shop tried replacing various bits, but in the end they swapped the whole
thing. It gradually got worse, worked OK for a few weeks, then the
battery started complaining, but Cmd-Alt-R-P would help for a while. In
the end it would only ever get as far as rEFIt if I left it off for at
least 20 minutes, and the LED on the charger wouldn't light up at all.
At that stage, neither I nor the local shop techie were able to get it
to boot off the firmware update CD.
I politely asked for a report from them when they got any results from
the central Apple repair people, but I've not heard anything yet.
For kicks, I left it running while I was away (11 days) and it would
appear that the battery is now somewhat confused again: after a reboot
the batteri is "present" and "charging", but rate, capacity and voltage
are all zero.
Someone mentioned that the applesmc module isn't quite up to par with
what MacOSX does to the hardware - I guess that might be the reason. As
it is, it doesn't really work significantly better than my old Compaq -
sure, each part is cooler in itself, but they don't really work smoothly
together. :-(
I'll now try more with 2.6.20+...
/ Jonas
--
Jonas Petersson | XMS Penvision | mailto:[EMAIL PROTECTED]
Box 3294, Västgötegatan 13, S-600 03 Norrköping | http://www.xms.se/
Tel: +46 11 400 13 00 | Dir: +46 11 400 13 05 | Fax: +46 11 10 30 50
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