Hello Mario, Am Mon, 1 Jul 2024 10:58:17 -0500 schrieb Mario Limonciello <mario.limonciello@xxxxxxx>: > > I've tested both, 6.9.7 and 6.10-rc6 and they both don't have that > > issue. I can disable CPU boost with both kernel versions. > > Thanks for checking those. That's good to hear it's only an issue in > the LTS series. > > It means we have the option to either drop that patch from LTS kernel > series or identify the other commit(s) that helped it. > > Can you see if adding this commit to 6.6.y helps you? > > https://git.kernel.org/superm1/c/8164f743326404fbe00a721a12efd86b2a8d74d2 that commit does not fix the regression. > > > >> I'd like to understand if we just have a missing commit to backport > >> or it's a problem in the mainline kernel as well. > >> > >> From the below description it's specifically with boost in > >> passive mode, right? > > > > I have only tested the passive mode on all my Ryzen systems and > > only my Zen4 machine shows this regression. > > > > That's an interesting finding. Do you know if your other system(s) > support preferred cores? > > Also as a curiosity why don't you use active mode (EPP)? Most people > find a better balance with perf/efficiency with EPP. >
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