Hi Greg,
Please include patch below in 4.4 stable kernel, it fixes panic.
It can be apply cleanly to 4.4.52
commit eb72d0bb84eee5d0dc3044fd17b75e7101dabb57
Author: Hannes Reinecke <hare@xxxxxxx>
Date: Tue Apr 26 08:06:58 2016 +0200
sd: get disk reference in sd_check_events()
sd_check_events() is called asynchronously, and might race
with device removal. So always take a disk reference when
processing the event to avoid the device being removed while
the event is processed.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
Reviewed-by: Ewan D. Milne <emilne@xxxxxxxxxx>
Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Thanks,
--
Jinpu Wang
Linux Kernel Developer
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