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Re: Weird behaviour on System under high load

On 5/28/23 03:09, Christian wrote:

-------- Ursprüngliche Nachricht --------
Von: David Christensen <dpchrist@holgerdanske.com>
An: debian-user@lists.debian.org
Betreff: Re: Weird behaviour on System under high load
Datum: Sat, 27 May 2023 16:30:05 -0700

On 5/27/23 15:28, Christian wrote:


New day, new tests. Got a crash again, however with the message

"AHCI

controller unavailable".
Figured that is the SATA drives not being plugged in the right

order.

Corrected that and a 3:30h stress test went so far without any

issues

besides this old bug
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=947685

Seems that I am just jumping from one error to the next...



3 hours and 30 minutes?  Yikes!  Please stop before you fry your
computer.  10 seconds should be enough to see a problem; 1 minute is
more than enough.


Sadly not always. My crashes before would occur between a few minutes
and 1 hour load. Now I hope everything is stable. Crashes are gone,
only the network error seems to be unresolved (even though there is
some workaround).



Repeatable crashes from a reported issue indicate your hardware is okay.



With the undervolting / overclocking on 12 core stress test, the system
stays below 65°C (on Smbusmaster0) so should be no risk of damage.



It is your computer and your decision.
At this point, I would start adding the software stack, one piece at a time, testing between each piece. The challenge is devising or finding tests. Spot testing by hand can reveal bugs, but that gets tiresome. The best approach is an automated/ scripted test suite. If you are using Debian packages, you might want to look for test suites in the corresponding source packages. And/or, you can use building from source as a stress test. Compiling the Linux kernel should provide your processor, memory, and storage with a good workout. 



Thanks for the help!


YW.  :-)


David
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