linux-kernel - Re: [PATCH] wifi: ath11k: fix ring-buffer corruption

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Message-ID: <a2b2d743-42eb-4eb2-ac41-93d2ab0af939@oldschoolsolutions.biz>
Date: Fri, 21 Mar 2025 20:27:11 +0100
From: Jens Glathe <jens.glathe@...schoolsolutions.biz>
To: Johan Hovold <johan+linaro@...nel.org>, Jeff Johnson <jjohnson@...nel.org>
Cc: Miaoqing Pan <quic_miaoqing@...cinc.com>,
 Steev Klimaszewski <steev@...i.org>, Clayton Craft <clayton@...ftyguy.net>,
 ath11k@...ts.infradead.org, linux-kernel@...r.kernel.org,
 stable@...r.kernel.org
Subject: Re: [PATCH] wifi: ath11k: fix ring-buffer corruption

On 3/21/25 10:49, Johan Hovold wrote:
> Users of the Lenovo ThinkPad X13s have reported that Wi-Fi sometimes
> breaks and the log fills up with errors like:
>
>      ath11k_pci 0006:01:00.0: HTC Rx: insufficient length, got 1484, expected 1492
>      ath11k_pci 0006:01:00.0: HTC Rx: insufficient length, got 1460, expected 1484
>
> which based on a quick look at the driver seemed to indicate some kind
> of ring-buffer corruption.
>
I had this issue on the Windows Dev Kit 2023 and X13s, interestingly
never on the HP Omnibook X14. With this patch there have been no
occurrences.

Tested-by: Jens Glathe <jens.glathe@...schoolsolutions.biz>

with best regards

Jens