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After upgrading to linux-generic-lts-raring, the ACPI events on my laptop don't seem to firing the associated scripts. For example, closing the lid does not turn off the screen and suspend the computer (note: both events are failing to fire). I just discovered that unplugging my laptop didn't register that the battery was available, even though the battery was clearly being used (laptop still had power).

The laptop is a Dell Inspiron 14z (not the ultrabook model), and previous ACPI events worked correctly under kernel 3.2.

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