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Article #59797Re: Linux and Pentiums, Why aint it working
From: Carl Renneberg
Date: Fri, 24 Nov 1995 00:00
Date: Fri, 24 Nov 1995 00:00
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2517 bytes
In article <48rn0t$51l@adam.telalink.net>, jreader@telalink.net (jreader) writes:
>...
>Basically, I have a Pentium 75, EIDE controller, PCI BIOS(of course)
>when using gcc (gcc, g++, make, and related) I sometimes get random
>errors that halt the compilation process...they usually happen on
>larger files, and are quite intermittant. It screws up the compiling,
>if the files are small enough i can keep typing and get it to run
>through, but heaven forbid i try to compile the kernel...
>Suggestions so far ( Parity Memory (don't have) wait states (checked
>and rechecked) power supply failure (checked)) anny suggestions
>comments appreciated.
Two possibilities come to mind:
- one or more of your SIMMS could be marginal; gcc is famous for detecting
bad memory chips; to check this, you could try:
- swapping SIMMs one at a time (and compile a kernel as a test :-);
- using the SIMMs in someone else's PC;
- configuring the kernel only to use only a certain amount of memory
(I'm sure you can do this at boot time); start off with small
amount (4MB, or 8MB) and increase it;
- your motherboard could have unreliable timing (ie the worst-case timing
for that design may not be guaranteed), and is just on the edge of
failing; to check this, you could try:
- swapping the motherboard;
- varying the motherboard's ambient temperature (see below).
If your system has marginal timing, then the rate of failure will be sensitive
to temperature. As a general rule, MOS-based logic (DRAMs etc) get slower as
they get hotter.
Do the errors occur more often soon after you first power up the PC, or on a
cold day? Do the errors occur more often after the PC has been running for
hours, or on a hot day?
If you keep the motherboard and power supply unusually cool (eg with fans), or
unusually warm (eg *modest* application of a hair dryer or something similar),
what happens?
Carl.
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 102983,501f0ff83658cc21 X-Google-Attributes: gid102983,public From: renneber@sun1.alcatel.oz.au (Carl Renneberg) Subject: Re: Linux and Pentiums, Why aint it working Date: 1995/11/24 Message-ID: <493968$cku@gsms01.alcatel.com.au> X-Deja-AN: 119919545 distribution: world sender: renneber@sun1 (Carl Renneberg) references: <48rn0t$51l@adam.telalink.net> organization: Alcatel Australia Ltd newsgroups: aus.computers.linux