Thanks for raising this.
Please let me mention a few observations:
- The kernel that is in use is (significantly) outdated: 5.4.0-80-generic (Jul
9 17:41:33 UTC 2021), there is a delta of about 20 missed kernel updates.
- And the system as a whole is outdated as well, since it reports "20.04.2 LTS".
Please notice that every new point release replaces the previous one
and with that makes it obsolete and no longer supported.
We are btw. currently at 20.04.4 (20.04.5 will come in August).
On top a system needs to receive regular (functional and security) updates,
for example with the help of:
sudo apt update
<apt list --upgradable>
sudo apt upgrade
An up-to-date system will obviously have lot's of mlx5 kernel fixes
as well as systemd, udev and other user-land patches included.
- So please reproduce this with the latest levels, on an up-to-date system.
Otherwise time and effort might be wasted at both parties on hunting down bugs
that are potentially already fixed.
I'm also reading that "this is a customer machine", in such a case it's
preferred to open a SalesForce ticket (for support cases) rather than a
Launchpad bug (for development tasks).
And without crash/dump files one can only roughly assume what might
happen.
A first brief investigation of some of the messages, seem to point to a
potential problem of the hw-fw/driver combination.
So please also double-check if the firmware of the RoCE/Mellanox adapter is on
the very latest fw level.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Changed in: ubuntu-z-systems
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1975616
Title:
[UBUNTU 20.04] Several "failed assertion in udev" messages causing
unexpected errors in the system
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