Probably you Android phone is equipped with some other WiFi chip.
Currently this RTL8821CE driver supports only 5G networks listed in `iw
list`.
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** 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 rtl8821ce package in Ubuntu:
Incomplete
Status in rtl8821ce source package in Bionic:
Confirmed
Status in rtl8821ce source package in Eoan:
Confirmed
Status in rtl8821ce source package in Focal:
Incomplete
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
---
ProblemType: Bug
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: steven 2090 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 19.10
InstallationDate: Installed on 2019-11-17 (75 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0408:5321 Quanta Computer, Inc. HP Webcam
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: HP HP 250 G7 Notebook PC
Package: rtl8821ce
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-29-generic
root=UUID=a0cdf605-0b72-4674-a76e-ad1dbae26043 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 5.3.0-29.31-generic 5.3.13
RelatedPackageVersions:
linux-restricted-modules-5.3.0-29-generic N/A
linux-backports-modules-5.3.0-29-generic N/A
linux-firmware 1.183.3
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: eoan
Uname: Linux 5.3.0-29-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dip lpadmin lxd plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 12/05/2018
dmi.bios.vendor: Insyde
dmi.bios.version: F.16
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: 8532
dmi.board.vendor: HP
dmi.board.version: 70.22
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnInsyde:bvrF.16:bd12/05/2018:svnHP:pnHP250G7NotebookPC:pvrType1ProductConfigId:rvnHP:rn8532:rvr70.22:cvnHP:ct10:cvrChassisVersion:
dmi.product.family: 103C_5336AN HP 200
dmi.product.name: HP 250 G7 Notebook PC
dmi.product.sku: 6MQ54EA#ABD
dmi.product.version: Type1ProductConfigId
dmi.sys.vendor: HP
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