RE: rtw89_8852bte (RTL8852BE-VT): recurring SER 0x1000/0x4000/0x1001/0x1002 on fw 0.29.122.1/.2; question on rtw8852bt_fw-1.bin

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

Chris Vitalos <cvitalos@gmail.com> wrote:
> 
> I will apply the debug patch and collect three logs with a reboot
> between each, then test with power save off and with a different AP,
> and report back.
> 
> I have been collecting post-burst connectivity snapshots (route,
> neighbor state, ping, DNS)
> and can provide them if you see value.

The debug patch can collect logs our experts need to dig the causes of
SER, so please help. However, the upper layer connectivity symptom might
not help, so I'd not request this part.

> 
> > >
> > > Symptoms
> > > Every burst has the same order: SER catches error 0x1000, "firmware
> > > failed to ack for leaving ps mode", 0x4000, 0x1001, 0x1002, with many
> > > "[ERR]fw PC = 0xb898..." and "0xb892..." lines in between. On the
> > > 7.0.0-42 boot, disable_ps_mode is N and iw reports power save on
> > > (defaults).
> >
> > Please turn off power save entirely by NetworkManager or iw command
> >    iw wlan0 set power_save off
> >
> > > I have not yet tested the rtw89_pci
> > > disable_clkreq/disable_aspm_l1/disable_aspm_l1ss options or
> > > disable_ps_mode on this unit; I understand the July reporter saw
> > > crashes with them set.
> >
> > It is worth to give it a try.

Also, please try 'iw power_save off' and disable these options to disable
power save.