[PATCH v2] nvme-apple: Reset q->sq_tail during queue init

Sven Peter sven at kernel.org
Thu May 14 06:20:31 PDT 2026


On 14.05.26 15:16, Nick Chan wrote:
> Fixes a "duplicate tag error for tag 0" firmware crash during controller
> reset while setting up the admin queue on Apple A11 / T8015.

... caused by stale entries in the submission queue due to an invalid 
sq_tail offset after reset.

And I guess this also happens on the i/o queue and is fixed by this as 
well, isn't it?


> 
> Fixes: 04d8ecf37b5e ("nvme: apple: Add Apple A11 support")
> Cc: stable at vger.kernel.org
> Suggested-by: Yuriy Havrylyuk <yhavry at gmail.com>
> Signed-off-by: Nick Chan <towinchenmi at gmail.com>
> ---


Reviewed-by: Sven Peter <sven at kernel.org>



Best,


Sven





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