On Sun, 2018-05-20 at 18:17 -0400, Kent Overstreet wrote: > On Fri, May 18, 2018 at 03:12:27PM +0000, Bart Van Assche wrote: > > On Fri, 2018-05-18 at 05:06 -0400, Kent Overstreet wrote: > > > On Thu, May 17, 2018 at 08:54:57PM +0000, Bart Van Assche wrote: > > > > With Jens' latest for-next branch I hit the kernel warning shown below. Can > > > > you have a look? > > > > > > Any hints on how to reproduce it? > > > > Sure. This is how I triggered it: > > * Clone https://github.com/bvanassche/srp-test. > > * Follow the instructions in README.md. > > * Run srp-test/run_tests -c -r 10 > > Can you bisect it? I don't have infiniband hardware handy... Hello Kent, The bisect I ran reported the following commit as the first faulty commit: block: Add warning for bi_next not NULL in bio_endio() Bart.