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rated 0 times [  4] [ 0]  / answers: 1 / hits: 877  / 2 Years ago, wed, july 20, 2022, 11:30:57

running Ubuntu 22.04, all was fine until an automatic upgrade from 5.15.0-60 to 5.19.0-32.
first analysis:


+ nmcli device
DEVICE TYPE STATE CONNECTION
34:1C:F0:3F:47:21 bt disconnected --
54:67:06:D7:5B:A6 bt disconnected --
lo loopback unmanaged --
+ rfkill list
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
+ dkms status
rtl8821ce/5.5.2.1, 5.15.0-60-generic, x86_64: installed
+ sudo lshw -C network
*-network UNCLAIMED
description: Network controller
product: RTL8821CE 802.11ac PCIe Wireless Network Adapter
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:01:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress cap_list
configuration: latency=0
resources: ioport:f000(size=256) memory:fe600000-fe60ffff
+ lsmod
+ grep rtl8821ce
+ modprobe rtl8821ce
modprobe: FATAL: Module rtl8821ce not found in directory /lib/modules/5.19.0-32-generic

Any idea what was going wrong, or how to fix it?


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 Answers
0

The dkms module didn't build for the 5.19 kernel. the device should be handled with the in-tree rtw88 module.


Remove the package with it by


 sudo apt purge rtl8821ce-dkms

and reboot.


Also check if the in-tree driver is manually blacklisted by


grep rtw88_8821ce /etc/modprobe.d/*

[#35] Friday, July 22, 2022, 2 Years  [reply] [flag answer]
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