On Tue, 2017-11-07 at 18:25 +0800, Fengguang Wu wrote: > [ 22.666764] BUG: unable to handle kernel NULL pointer dereference at 000001c0 > [ 22.666773] IP: cdrom_check_status+0x2c/0x90 If it is a regression then this patch might fix this kernel oops: https://www.mail-archive.com/linux-block@xxxxxxxxxxxxxxx/msg15155.html Bart.��.n��������+%������w��{.n�����{��'^�)�� jg��� �����ݢj����G���� ���j:+v���w�m������w�������h�����٥
