Mike, On Tue, 2024-03-19 at 12:53 -0400, Mike Snitzer wrote: > > While I appreciate you making us aware of this crash, I'm really not > interested in going down the rabbit hole of reasoning through fairly > complex concerns unless you have gotten your customer a kernel with > latest fixes (e.g. commit b4459b11e840) and they _still_ crash. > > Has that happened? Not yet; I wanted to bring up the issue upstream first. But what you're saying makes sense. We will ask the customer to test with a kernel that has b4459b11e840 added. > NOTE: There is also 85067747cf98 ("dm: do not use waitqueue for > request-based DM") but you probably have it since you said other than > missing the changes from commit b4459b11e840 that your dm-rq.c was > same. This commit was already contained in the kernel that the customer had. Thanks, Martin