Hi Jens, this is a hopefully complete version of the fix proposed by Guenter [1]. Thanks, Paolo [1] https://lkml.org/lkml/2019/7/22/824 Paolo Valente (1): block, bfq: handle NULL return value by bfq_init_rq() block/bfq-iosched.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) -- 2.20.1