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It is reported that commit5a5efdaffd("thermal: core: Resume thermal zones asynchronously") causes battery data in sysfs on Thinkpad P1 Gen2 to become invalid after a resume from S3 (and it is necessary to reboot the machine to restore correct battery data). Some investigation into the problem indicated that it happened because, after the commit in question, the ACPI battery PM notifier ran in parallel with thermal_zone_device_resume() for one of the thermal zones which apparently confused the platform firmware on the affected system. While the exact reason for the firmware confusion remains unclear, it is arguably not particularly relevant, and the expected behavior of the affected system can be restored by making the thermal PM notifier run at the lowest priority which avoids interference between work items spawned by it and the other PM notifiers (that will run before those work items now). Fixes:5a5efdaffd("thermal: core: Resume thermal zones asynchronously") Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218881 Reported-by: fhortner@yahoo.de Tested-by: fhortner@yahoo.de Cc: 6.8+ <stable@vger.kernel.org> # 6.8+ Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.