Hi Li Wang, On Mon, Apr 09, 2018 at 06:18:04PM +0800, Li Wang wrote: > Hi, > > I got this BUG_ON() on s390x platform with kernel-v4.16.0.
Today I saw this bug too, from my first look, seems it is because that get_max_io_size() returns zero in blk_bio_segment_split(). And I trigger that in one MD queue, and Xiao Ni is looking at it. Thanks, Ming
