![]() ![]() Not sure yet what the real reason is - either the kernel version, or a patch in the ubuntu version, or the 22.04 kernel config so far, or some configuration made in 21.10 that isn't good with 22.04 and it's kernel anymore. I can browse the web, run multiple youtube vids at once, even in another browser, have thunderbird running, and a virtualbox machine open with another browser for some web app testing and everything runs fine and smooth, no lagging. ![]() So I got a recent mainline kernel, configured it with my last running config from 21.10 before the update, made the debs and installed them, and now can tell that a mainline kernel 5.17.7 with all the dkms modules that i had before which got compiled automatically at installation brings back a "normal" performance. ThenI had the idea it could be a kernel/scheduler issue because the system wasn't always slow, but it appeared certain things kept hanging when other processed had a lot of cpu for a few seconds. I noticed CPU jumps in top, but also somehow thought it could be a graphics issue so invested some time installing nvidia drivers properly.Īlso I wondered if it might be the lowlatency kernel I normally use because I do audio stuff, and switched to generic. On a pretty recent and powerful system just 2 years old. After upgrading to 22.04 i had to fight with massive performance issues.īrowsers appeared to hang every other minute, youtube videos being laggy and hang in between, applications in a virtualbox VM where slow and also hanging every other minute to a level of not being useable.
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