@Naresh: see my comment #4, asking if you are running Ubuntu Desktop.
dmesg doesn't tell me that - but an sosreport would, if you can attach
that.
We've recently hit this on an x86 server, and did tie that back to the
system having a desktop installed (Nvidia CUDA 11 somehow brings in gdm
as a dependency), so I'm still suspecting the same here.
** Also affects: gdm3 (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1862559
Title:
ubuntu 19.10: unresponsive/freezes on ThunderX2 if system is idle for
~22min
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