Hi Hans, On Tue, Jul 7, 2020 at 5:32 PM Hans de Goede <hdegoede@xxxxxxxxxx> wrote: > > Hi Rafael, > > I got a copy of the below bugreport in my mailbox and I > was wondering if this rings any bells. > > Are there any relevant power-management / scheduler > changes in 5.7 (vs 5.6) which might be related? There were a few, but I'm not sure how they can cause thermal issues to happen. > And is there any quick way for the reporter to test this > (by e.g. picking a different scheduler / cpufreq-governor). Well, as usual, I would recommend looking for possible configuration differences between the good and bad cases, ie. different default governors, different cpufreq/cpuidle drivers etc. Also, if the system is Intel-based, run turbostat to collect CPU PM information for both the good and bad cases. Cheers, Rafael > -------- Forwarded Message -------- > Subject: [Bug 1854502] New: Noticeably Increased CPU temperature > Date: Tue, 07 Jul 2020 15:23:38 +0000 > From: bugzilla@xxxxxxxxxx > To: hdegoede@xxxxxxxxxx > > https://bugzilla.redhat.com/show_bug.cgi?id=1854502 > > Bug ID: 1854502 > Summary: Noticeably Increased CPU temperature > Product: Fedora > Version: 32 > Hardware: x86_64 > OS: Linux > Status: NEW > Component: kernel > Severity: medium > Assignee: kernel-maint@xxxxxxxxxx > Reporter: aria.aghazade@xxxxxxxxx > QA Contact: extras-qa@xxxxxxxxxxxxxxxxx > CC: acaringi@xxxxxxxxxx, airlied@xxxxxxxxxx, > bskeggs@xxxxxxxxxx, hdegoede@xxxxxxxxxx, > ichavero@xxxxxxxxxx, itamar@xxxxxxxxxxxxxxxx, > jarodwilson@xxxxxxxxx, jeremy@xxxxxxxxxx, > jglisse@xxxxxxxxxx, john.j5live@xxxxxxxxx, > jonathan@xxxxxxxxxxxxxx, josef@xxxxxxxxxxxxxx, > kernel-maint@xxxxxxxxxx, lgoncalv@xxxxxxxxxx, > linville@xxxxxxxxxx, masami256@xxxxxxxxx, > mchehab@xxxxxxxxxxxxx, mjg59@xxxxxxxxxxxxx, > steved@xxxxxxxxxx > Target Milestone: --- > Classification: Fedora > > > > First things first, I'm running Fedora 32 with latest packages on intel 6700hq. > With latest kernel-5.7, cpu temperatures are noticeably higher. > Using kernel-5.6 my idle cpu temperature is around 35-40°C, but with kernel-5.7 > its around 50-55. Htop and KDE System Monitor don't show anything using cpu and > idle cpu usage on both kernels is 0-2%. > > I first noticed this issue on kernel-5.7.6-201.fc32.x86_64, and it is also > there with kernel-5.7.7-200.fc32.x86_64. > > Booting with kernel-5.6.19-300.fc32.x86_64 fixes the issue. > > > Are you running any modules that not shipped with directly Fedora's kernel? No.
