(please linewrap normal text at 72 chars) On Thu, Sep 28, 2017 at 11:45:30AM +0000, Levin, Alexander (Sasha Levin) wrote: > Okay, that seems to have delt with the callbacks supressed issue. > > I also seem to be hitting it as a result of the scheduler triggering a > WARN, where print_stack_trace(), for example, just uses printk(). > > Now I'm not sure what's your approach here, do we keep converting > printk to printk_deferred one by one until we whacked every mole?
Nah.. WARN's _should_ not trigger. If they do we fix that. Getting a lockdep splat after a WARN is something I can live with. And you really don't want that deferred nonsense for WARNs, because that means you'll risk not over getting the output.

