http://bugzilla.kernel.org/show_bug.cgi?id=10431





------- Comment #20 from [EMAIL PROTECTED]  2008-05-08 07:37 -------
The patch in http://bugzilla.kernel.org/show_bug.cgi?id=7812 doesn't change the
behaviour at all.   I still get the "Unable to dock!" message when I remove the
laptop.

Looking at the code, there seems to be only one sequence of events that can
cause this:
1. I remove the laptop.
2. The Dell BIOS sends ACPI_NOTIFY_BUS_CHECK.
3. acpi_bus_get_device() succeeds.
4. dock() executes the _DCK method without seeing a failure.
5. dock_present() is false, because the laptop is genuinely not in the dock.

I suspect that step 2 is a harmless BIOS bug.


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