Re: lockdep splat in v5.11-rc1 involving console_sem and rq locks

From: Valentin Schneider
Date: Wed Jan 06 2021 - 10:50:44 EST


On 06/01/21 16:44, Peter Zijlstra wrote:
> On Wed, Jan 06, 2021 at 06:46:21AM -0800, Paul E. McKenney wrote:
>> What would break if I made the code dump out a few entries in the
>> runqueue if the warning triggered?
>
> There was a patch around that did that, Valentin might remember where
> that was.

There is http://lore.kernel.org/r/jhjpn4bwznx.mognet@xxxxxxx which is a
dumb inline of print_rq() / print_task().