This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1840454
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
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the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1840454
Title:
kernel 5.2 disallows thermald's direct MSR writes
Status in linux package in Ubuntu:
Incomplete
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
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