What a difference a kernel makes.

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wove
Posts: 1293
Joined: Mon May 04, 2020 4:47 pm

What a difference a kernel makes.

Post by wove »

This morning I was looking for a blank SD card to try something out on and one I tried had an script install of Debian with the Trinity Desktop added on. I had not used it in a month, so I ran it and did an apt update/upgrade. The only update was a new kernel. I installed and oh my what a difference.

Suddenly all the special keys are working. Sleep/freeze and re-awake are functional. Akregator, which always just froze the entire system is working fine. It was a very pleasant surprise. The special keys working is not all that surprising in a kernel update and I expect that power management is tied closely to the kernel, but I am amazed at Akregator. It would not occur to me that a userland application would be directly related to something as low level as the kernel.

bill
crosscourt
Posts: 11176
Joined: Sun Jan 14, 2018 5:38 pm

Re: What a difference a kernel makes.

Post by crosscourt »

Depends on your hardware but generally a newer kernel can make a huge difference. With older hardware its a mixed bag but two of my laptops from 2008-2009 were actually working better with the newer 5.4 kernel than the previous one.
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