This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1861278
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1861278
Title:
RTL8821CE - 5GHZ networks not working
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem package in Ubuntu:
New
Status in rtl8821ce package in Ubuntu:
New
Bug description:
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
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