Re: LTP zram tests triggers might_sleep splat - bisects to 0a9a25ca7843 ("block: let blkcg_gq grab request queue's refcnt")
From: Ming Lei
Date: Mon Mar 28 2022 - 00:46:27 EST
On Mon, Mar 28, 2022 at 06:21:51AM +0200, Mike Galbraith wrote:
> Splat bisected cleanly, verified with a revert afterward.
>
> (note: "Preemption disabled at:" address tracking looked to be pretty
> broken during bisection, so...)
It can be fixed by:
https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?h=for-5.18/block&id=d578c770c85233af592e54537f93f3831bde7e9a
Thanks,
Ming