be careful with kernel 5.5 in Rcs and Snap/apparmor !

today phoronix has found why they get bad results with kernels 5.5
https://www.phoronix.com/scan.php?page=article&item=linux-55-regression1&num=1

with bisect , some change made by canonical about apparmor gives theses loss

so testing with apparmor=0 give better things , but not as expected
https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.5-Regressions-Past-AA

:rofl: :rofl:

1 Like

I wonder how much this has to do with Intel getting more security patches again? And how will turn out on Epyc cpu?

boy am i glad i dont use ubuntu, at least we dont have any of those cononical/apparmor thingies :face_with_hand_over_mouth:

5 Likes

That is where you are wrong. AppArmor is included and enabled by default on Manjaro now.

i know, i was making a funny :grin:

4 Likes

Yes .. after it was asked for ad-nauseum ... but also you can easily remove it.

phoronix has found 70 regressions with loss of 5% or more cpu
https://www.phoronix.com/scan.php?page=news_item&px=AppArmor-Linux-5.5-72-Tests

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