On 03/13/2014 03:07 PM, Martin Langhoff wrote:
My Lenovo X220, running up-to-date F20 occasionally gets into a state where closing the laptop lid does not trigger suspend.
I want to narrow down on the problem, but I'm slightly lost on how "the signal is routed" through the stack. udev->?-> systemd-suspend -> kernel ?
systemd - logind You could check that the input device for the lid switch is actually sending events.