On 2/9/18 11:54 AM, Bart Van Assche wrote: > Hello Paolo, > > If I enable the BFQ scheduler for a dm-mpath device then a kernel oops > appears (see also below). This happens systematically with Linus' tree from > this morning (commit 54ce685cae30) merged with Jens' for-linus branch (commit > a78773906147 ("block, bfq: add requeue-request hook")) and for-next branch > (commit 88455ad7f928). Is this a known issue? Does it happen on Linus -git as well, or just with my for-linus merged in? What I'm getting at is if a78773906147 caused this or not. -- Jens Axboe