[4.18.0-rc4][bisected a063057d][mpt3sas] WARNING: CPU: 87 PID: 18868 at block/blk-core.c:781 blk_cleanup_queue+0x20c/0x220

[Bart Van Assche]

On Mon, 2018-07-16 at 14:23 +0530, Abdul Haleem wrote:
> mpt3sas module unload triggered a warning at block/blk-core.c:781 on a
> powerpc bare-metal running mainline kernel
> 
> WARN_ON_ONCE() was introduced with commit a063057 : block: Fix a race
> between request queue removal and the block cgroup controller

Please check whether the following patch series fixes this regression: [PATCH
v3 0/2] Ensure that a request queue is dissociated from the cgroup controller
(https://www.mail-archive.com/linux-block@vger.kernel.org/msg21897.html).

Thanks,

Bart.