https://bugzilla.kernel.org/show_bug.cgi?id=71091
Bug ID: 71091
Summary: ACPI code does not have the event SW_DOCK implemented.
Systemd (git master) is depending that this event is
correctly emitted and used
Product: ACPI
Version: 2.5
Kernel Version: 3.14-rc4
Hardware: All
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Config-Hotplug
Assignee: [email protected]
Reporter: [email protected]
Regression: No
The latest git master of Systemd has changed the approach in the logind module
to prevent suspended systems from switching on accidentally. The validation is
that it checks if the lid is still closed or not. Of course this would always
be true for docked laptops and therefore they also validate if the event
SW_DOCK has been set.
Checking this on my laptop, indicated that the SW_DOCK is never set and
therefore during the boot process with the latest systemd, the system will
constantly go to sleep when docked as that the lid is closed.
After talking with Lennart Poettering, he check the code and also talked to
Matthew Garrett about this issue and it seems that the ACPI docking code
doesn't have SW_DOCK implemented.
I am not sure for how many laptop vendors this is correct (I am running a
Thinkpad (IBM/Lenovo)), but this would become a big issue once systemd 210 is
being released.
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