Re: dell_rbtn - kernel panic at boot...

[Pali RohÃr]

On Saturday 23 May 2015 00:53:16 Dmitry Torokhov wrote:
> On Thu, May 21, 2015 at 7:06 PM, Valdis Kletnieks
> 
> <Valdis.Kletnieks@xxxxxx> wrote:
> > So after I made both config variables =y, the resulting kernel
> > built, but died a glorious death at boot.
> 
> I guess if both are built-in then, according to link order,
> dell-laptop starts first, before dell-rbtn, and dies in
> dell_rbtn_notifier_register() in call to
> driver_for_each_device(&rbtn_driver.drv, ...) because rbtn_driver has
> not been registered yet and thus half-initlalized.
> 
> Thanks.

pr_debug() messages could be useful... but no idea if we can get them.

Is there any way to fix that dependency race condition? Could 
driver_attach() function call help?

-- 
Pali RohÃr
pali.rohar@xxxxxxxxx

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