Re: [bug report] WARNING: possible circular locking dependency detected at elv_iosched_store+0x194/0x530 and blk_mq_freeze_queue_nomemsave+0xe/0x20

[Ming Lei <ming.lei@xxxxxxxxxx>]

Hi Yi,

On Wed, Apr 30, 2025 at 9:35 PM Yi Zhang <yi.zhang@xxxxxxxxxx> wrote:
>
> Hi
> I found this warning with blktests block/005 on upstream kernel
> 6.15.0-rc4, please help check it and let me know if you need any
> info/test, thanks.
>
> [  942.528228] run blktests block/005 at 2025-04-29 14:22:12
> [  943.169303]
> [  943.170811] ======================================================
> [  943.176990] WARNING: possible circular locking dependency detected
> [  943.183172] 6.15.0-rc4 #1 Not tainted

It can be addressed by the following patchset:

https://lore.kernel.org/linux-block/20250430043529.1950194-1-ming.lei@xxxxxxxxxx/

Thanks,