Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> wrote:
> When receiving more rx packets than the kernel can handle the driver
> drops the packets and issues an error message. This is bad for two
> reasons. The logs are flooded with myriads of messages, but then time
> consumed for printing messages in that critical code path brings down
> the device. After some time of excessive rx load the driver responds
> with:
>
> rtw_8822cu 1-1:1.2: failed to get tx report from firmware
> rtw_8822cu 1-1:1.2: firmware failed to report density after scan
> rtw_8822cu 1-1:1.2: firmware failed to report density after scan
>
> The device stops working until being replugged.
>
> Fix this by lowering the priority to debug level and also by
> ratelimiting it.
>
> Fixes: a82dfd33d1237 ("wifi: rtw88: Add common USB chip support")
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Reviewed-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
Patch applied to wireless-next.git, thanks.
1f1784a59caf wifi: rtw88: usb: silence log flooding error message
--
https://patchwork.kernel.org/project/linux-wireless/patch/20230524103934.1019096-1-s.hauer@xxxxxxxxxxxxxx/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
