Public bug reported:
5 GHZ networks are not showing up
dmesg | grep 8821
[ 2.333385] rtl8821ce: loading out-of-tree module taints kernel.
[ 2.403456] rtl8821ce: module verification failed: signature and/or required
key missing - tainting kernel
[ 2.435475] RTW: rtl8821ce v5.2.5.2.1_xxxx.20181112_beta
[ 2.435480] RTW: rtl8821ce BT-Coex version = COEX20170310-1212
[ 4.599321] rtl8821ce 0000:02:00.0 wlo1: renamed from wlan0
dmesg |grep -i firm
[ 0.147142] Spectre V2 : Enabling Restricted Speculation for firmware calls
[ 3.101456] [drm] Finished loading DMC firmware i915/kbl_dmc_ver1_04.bin
(v1.4)
iw list
returns nothing...
iwlist wlo1 freq
wlo1 22 channels in total; available frequencies :
Channel 01 : 2.412 GHz
Channel 02 : 2.417 GHz
Channel 03 : 2.422 GHz
Channel 04 : 2.427 GHz
Channel 05 : 2.432 GHz
Channel 06 : 2.437 GHz
Channel 07 : 2.442 GHz
Channel 08 : 2.447 GHz
Channel 09 : 2.452 GHz
Channel 10 : 2.457 GHz
Channel 11 : 2.462 GHz
Channel 12 : 2.467 GHz
Channel 13 : 2.472 GHz
Channel 36 : 5.18 GHz
Channel 40 : 5.2 GHz
Channel 44 : 5.22 GHz
Channel 48 : 5.24 GHz
Channel 149 : 5.745 GHz
Channel 153 : 5.765 GHz
Channel 157 : 5.785 GHz
Channel 161 : 5.805 GHz
Channel 165 : 5.825 GHz
Current Frequency:2.437 GHz (Channel 6)
Related:
https://github.com/tomaspinho/rtl8821ce/issues/34
https://github.com/tomaspinho/rtl8821ce/issues/103
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem (Ubuntu)
Importance: Undecided
Status: New
** Affects: rtl8821ce (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1861278
Title:
RTL8821CE - 5GHZ networks not working
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