Re: hp-wmi and hp dv9000

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On 2/10/10, Peter Chubb <peter.chubb@xxxxxxxxxxxx> wrote:
>>>>>> "Alan" == Alan Jenkins <alan-jenkins@xxxxxxxxxxxxxx> writes:
>
> Alan> Peter Chubb wrote:
>>> Hi Alan.  I noticed you were last working on hp-wmi.  I'm finding
>>> that if I load hp-wmi then the wireless network does not work ---
>>> dmesg output always says `iwlagn 0000:02:00: Radio disabled by HW
>>> RF Kill switch' regardless of the position of the switch.
>
> I've discovered that if I load the rfkill module *before* hp-wmi then
> everything works properly.

Can you show me what "udevadm monitor -ke" reports in both cases?  Use
one of the 2.6.33-rc kernels, and show me your kernel config.

> Maybe there's a missing dependency?

If you've built the rfkill module, "modprobe hp-wmi" should load it
automatically.  If it didn't, then hp-wmi would fail to load.  So it
sounds more like a race condition.

> I
> hadn't even been building the rfkill input module before --- it
> doesn't get automatically selected.

Um.  rfkill-input is no longer a separate module.  You can disable it
individually, *if* you have CONFIG_EMBEDDED enabled.  If that causes
problems, we need to fix that as well (because rfkill-input is
theoretically going away).

Or perhaps you have rfkill as a whole disabled?  In that case, we'd
expect that hp-wmi wouldn't have any effect on the wireless.  If it
does, that's also a bug (albeit a more obscure one with an easy
workaround).

Regards
Alan
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