> > The cause is because packets in hardware TX queue that can't be sent out in time, > and flush ops with 'drop = false', so driver throws one warning. I don't have > good idea for now. Maybe, we can add a special debug mask to replace this kind of > verbose warning with uncertain solution. I have made a patch [1] as mentioned before. Lewis, please give it a try. [1] https://lore.kernel.org/linux-wireless/20240417014036.11234-1-pkshih@xxxxxxxxxxx/T/#u