Can you try 5.3rc kernel such as https://kernel.ubuntu.com/~kernel- ppa/mainline/v5.3-rc4/?
I believe the patchset https://lore.kernel.org/linux- pm/1562766278-7099-1-git-send-email-rui.zh...@intel.com/T/#t is needed, which got merged in 5.3. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to thermald in Ubuntu. https://bugs.launchpad.net/bugs/1840454 Title: kernel 5.2 disallows thermald's direct MSR writes Status in thermald package in Ubuntu: New Bug description: thermald/kernel are spamming dmesg now because MSR write is disallowed. jak@jak-t480s:~:master$ journalctl -b --since=today | grep msr | wc -l 8688 jak@jak-t480s:~:master$ journalctl -b --since=today | grep msr | tail Aug 16 14:48:57 jak-t480s thermald[11327]: [WARN]sysfs write failed /dev/cpu/0/msr Aug 16 14:48:57 jak-t480s kernel: msr: Direct access to MSR 1a2 Aug 16 14:49:05 jak-t480s thermald[11327]: [WARN]sysfs write failed /dev/cpu/0/msr Aug 16 14:49:05 jak-t480s kernel: msr: Direct access to MSR 1a2 Aug 16 14:49:13 jak-t480s thermald[11327]: [WARN]sysfs write failed /dev/cpu/0/msr Aug 16 14:49:13 jak-t480s kernel: msr: Direct access to MSR 1a2 Aug 16 14:49:21 jak-t480s thermald[11327]: [WARN]sysfs write failed /dev/cpu/0/msr Aug 16 14:49:21 jak-t480s kernel: msr: Direct access to MSR 1a2 Aug 16 14:50:03 jak-t480s kernel: msr: Direct access to MSR 1a2 Aug 16 14:50:03 jak-t480s thermald[11327]: [WARN]sysfs write failed /dev/cpu/0/msr To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thermald/+bug/1840454/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
