RE: Error in rtw89 using Kernel 7.1.4

[Ping-Ke Shih <pkshih@realtek.com>]

Adrodoc <adrodoc55@googlemail.com> wrote:
> I have been running kernel 7.1.5-1-cachyos with "sudo iw dev wlan0 set
> power_save off" for the last 3 days (monday to wednesday).
> On monday I had a very bad disconnect, but there was absolutely
> nothing to be seen in dmesg or journalctl, so that was probably some
> router or provider issue.
> Other than that I had no disconnect issues during that time also the
> SER L1 did not occur a single time in those 3 days.
> So now I am pretty sure that the disconnects and SER L1 were due to power_save.
> This makes sense to me given the message "firmware failed to ack for
> leaving ps mode".
> This is the same kernel where I previously had multiple disconnects per day.
> 
> So I guess the next step would be to ignore ASPM and bisect kernels
> for "firmware failed to ack for leaving ps mode", right?

I think so.

> Is there anything I should know about power_save going forward?

Re-enable power save (without doing "sudo iw dev wlan0 set power_save off")
Then, only set driver disable_ps_mode=y and cold reboot. 

I'm not sure if you have tried this, if you have done that, I'd say sorry
in advance. Recently I received too many reports...
Maybe, you can summarize the experiments you have done.