https://bugzilla.kernel.org/show_bug.cgi?id=68291

--- Comment #4 from Alan <[email protected]> ---
Much digging and odd bisect behaviour later which wouldn't give straight
answers

The critical thing is the BYT pi mux stuff it seems

I see

byt_gpio: INT33FC:02: Failed to request IRQ 18 ACPI event handler
ACPI: \_SB_.PCIO0: notify handler is installed

Then a bit later the i915 explosion

CONFIG_PINCTRL_BAYTRAIL = y ; crashes
CONFIG_PINCTRL_BAYTRAIL = n ; all works

Can't tell easily if this is a pinmux bug or perhaps the Failed to request..
sets up a future fail on the same IRQ line ?

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