Bug#1036900: Things I tried

From	Christian <list-christian@web.de>
Newsgroups	linux.debian.bugs.dist, linux.debian.kernel
Subject	Bug#1036900: Things I tried
Date	2023-05-29 19:10 +0200
Message-ID	<GAOxz-chrx-3@gated-at.bofh.it> (permalink)
References	<GAwhj-c5BB-1@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Cross-posted to 2 groups.

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After googling, I tried a few things:

Memory has correct timing, frequencies and voltage (no improvement)

kernel parameters => no improvement
- idle=nomwait
- processor.max_cstate=5
- rcu_nocbs=0-11

Undervolting / Overclocking => seems to make the system a bit more
stable
- Reducing PPT to 45W 
- PBS Curve all cores: -10
- Boost limit: -300 (ending around 4Ghz)

Deactivate SMT => no improvement

Deactivate selective CPUs (Error always showed on CPU5) => no
improvement

Deactivating tx, sg, tso offloading => no improvement

Overall it seems the system crashes when doing load changes, e.g. like
compiling. It then takes SATA, network, etc. down, leading to an
unusable system.

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Bug#1036900: linux: "NETDEV WATCHDOG: enp3s0 (r8169): transmit queue 0 timed out" Christian <list-christian@web.de> - 2023-05-28 23:40 +0200
  Bug#1036900: Things I tried Christian <list-christian@web.de> - 2023-05-29 19:10 +0200

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