Re: Q: acpi-cpufreq module auto-loading after processor driver change

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On Fri, Jun 07, 2013 at 12:44:44AM +0200, Rafael J. Wysocki wrote:
> So far I have verified that topology_init() is executed before acpi_init()
> (which appears to be pure coincidence, but oh well), so even the *ordering*
> is the same as before.  The only difference is that the device in question
> now has a driver bound to it and it didn't before (the driver was bound to
> something else).
> 
> Hmm. I suspect udev just thinks "ok, I have found a driver for that device,
> so I don't need to look for one any more" and that's why it doesn't load
> acpi_cpufreq.  If that's the case, is there any way to make it load all
> matching modules anyway?

udev should call modprobe with an alias for the device which _should_
try to load all modules that match the alias.  So take a look at kmod to
see if something is odd there.

sorry,

greg k-h
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