Wilko Bulte wrote:
> Time to check the fan for the CPU, and the air'tunnel' feeding the
> air to the heatsink. I had one come loose after servicing the machine.
I just got a similar crash:
unexpected machine check:
mces = 0x1
vector = 0x670
param = 0xfffffc0000004e10
pc = 0xfffffc00004069bc
ra = 0xfffffc00004069b4
curproc = 0xfffffc001f169200
pid = 23, comm = intr: sym1
panic: machine check
cpuid = 1;
boot() called on cpu#1
syncing disks, buffers remaining... panic: bdwrite: buffer is not busy
cpuid = 1;
boot() called on cpu#1
Uptime: 19h27m51s
It's an Alphaserver 4100, dual 5/300 with 512 MB RAM and one power supply,
running 5.0-RC3 (kernel is GENERIC plus the line from ccd(4)). I had been
trying to compile a few large things from the ports collection, Beonex for
example, and all the compilations had finished so the main task was "dd
if=zero of=da2" which had been running from /dev since a few minutes after
boot (only a 4 GB disk--I wonder why it's so slow).
$ strings /tmp/4100-20030113-cu4.log | grep degrees
System temperature is 23 degrees C
System temperature is 23 degrees C
System temperature is 23 degrees C
System temperature is 23 degrees C
System temperature is 24 degrees C
I was sitting next to it when it crashed, and I would have noticed if the
fans had stopped. From earlier logs, I see that the temperature has
varied between 21 and 27 Celsius. I don't know what it is now, but it
feels warmish when I'm wearing just a tee shirt. There's a fan that
constantly blows air into the room, which points toward the back of the
computer. Should I run the air conditioner more often?
--
Trevor Johnson
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