On 04/02/13 04:02, Ronald F. Guilmette wrote:
[Overheating CPU war story snipped.]
I don't know what to make of this, except to suspect that some loose
wires inside my case got in the way of the CPU fan turning. (I am
not neat like some folks. The inside of myu case _is_ really rather
sloppy, so this could easly have happened.)
I've had a fan jam that way. Cable ties are your friends.
I've now installed mbmon and xmbmon and will be watching the CPU temp
closely for awhile.
I really wish that one or the other of those tools allowed setting a
threshold CPU temp, beyond which the tool would emit an ear piercing
alarm via the motherboard speaker... you know.. in case the regular
external stereo speakers are turned off.
<question>
What *is* the best way to achieve the above effect, i.e. to arrange
for the machine to scream for help in case it is getting too hot?
I don't want it to just die, like it is doing now. I want it to scream
so that I can rush over and at least try to do an orderly shutdown.
</question>
Regards,
rfg
P.S. I am loading the system pretty heavily now, and have been for the
last 20+ minutes, and xmbmon is showing me a nice constant 31c for the
CPU temp. So for the moment at least, all is well.
P.P.S. I have a (relatively) monster sized heatsink in this system, and
it sits atop a quite modest 2.7GHz single-core Athlon, so it is not at
all surprising that the ``stable'' CPU temp is around 30c (86f).
I tend to use Intel processors so I'm not familiar with your exact
processor, but does the amdtemp kernel module work for it? If so, you
could write a shell script that loops doing
"sysctl -n dev.cpu.<N>.temperature"
for suitable values of <N> and do whatever you like when/if the
temperature goes above a threshold. "man speaker" and looking at
/usr/sbin/spkrtest might be useful, just remember you'll probably have
to "kldload speaker" first.
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