On Tue, 2022-05-31 at 09:42 +0200, s.hauer@xxxxxxxxxxxxxx wrote: > On Tue, May 31, 2022 at 01:07:36AM +0000, Ping-Ke Shih wrote: > > On Mon, 2022-05-30 at 15:54 +0200, Sascha Hauer wrote: > > > The powersave modes do not work with USB devices (tested with a > > > RTW8822CU) properly. With powersave modes enabled the driver issues > > > messages like: > > > > > > rtw_8822cu 1-1:1.2: firmware failed to leave lps state > > > rtw_8822cu 1-1:1.2: timed out to flush queue 3 > > > > Could you try module parameter rtw_disable_lps_deep_mode=1 to see > > if it can work? > > No, this module parameter doesn't seem to make any difference. > > # cat /sys/module/rtw88_core/parameters/disable_lps_deep > Y > > Still "firmware failed to leave lps state" and poor performance. > > Any other ideas what may go wrong here? > Today, I borrow a 8822cu, and use your patchset but revert patch 10/10 to reproduce this issue. With firmware 7.3.0, it looks bad. After checking something about firmware, I found the firmware is old, so upgrade to 9.9.11, and then it works well for 10 minutes, no abnormal messages. Please try if it also works to you. Ping-Ke