Re: Problem after update to kernel 5.4.0.62 in 20.04
What class of CPU does your laptop run? I'd run into a hardware problem on the currently-down Hot Rod gPC under 16.04.3-LTS Trusty, viz., random program crashes, and eventually traced it to the CPU - the original-build Advance Micro Devices® Athlon 64® X2 5600+ blew out its memory manager; the "downgrade" AMD Athlon 64® 3500+ ran stably through 20.04.1-LTS Focal until the GIGABYTE® GA-MA78GM-S2HP would no longer recognize an i8042 keyboard after 15 January 2021.
nVIDIA® nForce® chipsets require discrete GPU's up to Pascal and appropriate nVIDIA Kernel modules.
Most intel® ExpressSets™ and AMD® RS-Series are fully supported in open source.
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