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I triggerd the BUG_ON() in driver_register() when booting a domU Xen
domain. Since there was no contextual information logged, I needed to
attach kgdb to determine the culprit (the wmi-bmof driver in my
case). The BUG_ON() was added in commit f48f3febb2 ("driver-core: do
not register a driver with bus_type not registered").
Instead of running into a BUG_ON() we print an error message
identifying the, likely faulty, driver but continue booting.
Signed-off-by: Florian Schmaus <flo@geekplace.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
226 lines
5.8 KiB
226 lines
5.8 KiB