Re: [s390x] New regression was found on kernel-4.16

[Ming Lei]

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