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RE: Problems with RTL8852BE PCIe 802.11ax Wireless Network Controller and Linux kernel 6.7.7-100.fc38.x86_64

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Plamen Dimitrov <plamen.dimitrov@xxxxxxxxxxx> wrote:

> Hi all,
> 
> I had some problems with RTL8852BE and tried a commonly suggested fix
> 
> $ sudo cat /etc/modprobe.d/20-wifi.conf
> options rtw89_pci disable_aspm_l1ss=y disable_aspm_l1=y disable_clkreq=y
> options rtw89_core disable_ps_mode=y
> 
> as
> 
> $ lsmod | grep rtw
> rtw89_8852be           12288  0
> rtw89_8852b           364544  1 rtw89_8852be
> rtw89_pci              81920  1 rtw89_8852be
> rtw89_core            577536  2 rtw89_8852b,rtw89_pci
> mac80211             1568768  2 rtw89_core,rtw89_pci
> cfg80211             1335296  3 rtw89_8852b,rtw89_core,mac80211
> 
> but this doesn't fix my issue which looks like
> 
> [ 1794.542266] rtw89_8852be 0000:02:00.0: FW does not process h2c registers
> [ 1794.542269] rtw89_8852be 0000:02:00.0: HW scan failed with status: -110
> [ 1794.935328] rtw89_8852be 0000:02:00.0: xtal si not ready(W): offset=90 val=10 mask=10
> [ 1795.006323] rtw89_8852be 0000:02:00.0: xtal si not ready(W): offset=90 val=10 mask=10
> [ 1795.006330] rtw89_8852be 0000:02:00.0: mac init fail, ret:-110

These logs said that it can download firmware successfully, but timed out to
ask firmware to do scan. I would try module parameters like you did, but
please do "cold reboot" to take effect the parameters, because hardware
has been gotten into abnormal state. 

> However, the `xtal is not ready` still appears after reloading and the device is likely in a bad state once
> the error is already encountered:
> 
> [12876.478139] rtw89_8852be 0000:02:00.0: loaded firmware rtw89/rtw8852b_fw-1.bin
> [12876.478249] rtw89_8852be 0000:02:00.0: Unable to change power state from D3cold to D0, device
> inaccessible
> [12876.529327] rtw89_8852be 0000:02:00.0: xtal si not ready(R): offset=41

This is second IO driver does to read hardware revision, but inaccessible. 
You should reboot to recover hardware state. 

> [12876.529336] rtw89_8852be 0000:02:00.0: no suitable firmware found
> [12876.529339] rtw89_8852be 0000:02:00.0: failed to recognize firmware
> [12876.529342] rtw89_8852be 0000:02:00.0: failed to setup chip information
> [12876.530074] rtw89_8852be: probe of 0000:02:00.0 failed with error -2







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