https://bugzilla.kernel.org/show_bug.cgi?id=24502





--- Comment #14 from Zhang Rui <rui.zh...@intel.com>  2012-01-18 02:28:53 ---
(In reply to comment #13)
> (In reply to comment #12)
> > (In reply to comment #11)
> > > please kill acpid and run "cat /proc/acpi/event", do you get the same 
> > > output as
> > > acpi_listen?
> > 
> > No, all lid close event are reported correctly.
> > 
> > $ cat /proc/acpi/event 
> > button/lid LID0 00000080 00000001
> > button/lid LID0 00000080 00000002
> > button/lid LID0 00000080 00000003
> > button/lid LID0 00000080 00000004
> 
> Mhh, it seems that something is broken wrt netlink notification.
> With CONFIG_ACPI_PROC_EVENT=y acpid uses /proc/acpi/event and acpi_listen
> reports all close events.
> With CONFIG_ACPI_PROC_EVENT=n or starting acpid with the --netlink argument,
> not all events are reported.

that's because some events (power button, lid, brightness switching, etc) go to
input layer, rather than netlink.

Anyway, it's great that kernel bugzilla is back.

can you please verify if the problem still exists in the latest upstream
kernel?

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