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2019/11/14, 02:32:51


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Author [EN] [PL] [ES] [PT] [IT] [DE] [FR] [NL] [TR] [SR] [AR] [RU] Topic: wifi lost lxqt/connman  (Read 2321 times)

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Offline eQuacky

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  • Posts: 59
wifi lost lxqt/connman
« on: 2019/09/21, 22:41:01 »
Hi all,
all kernels after 5.1.9-towo.2-siduction-amd64 x86_64 lost their wifi connection respective had none.
Tried to solve it on cli with connmanctl, but on step "scan wifi" I got following notification:
Error /net/connman/technology/wifi: Not implemented
ip link show - shows nothing regarding wifi
ip link set wlp1s0 up - sets up nothing
How to get wifi back to work?
Greetings

Offline sedonix

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  • Posts: 24
Re: wifi lost lxqt/connman
« Reply #1 on: 2019/09/22, 19:54:56 »
What is this strange creature? Installed it for giggles. Works here with 5.3.0 kernel. I have no idea how it works but it does.
Code: [Select]
root@test:/home/guy# connmanctl
Error getting VPN connections: The name net.connman.vpn was not provided by any connmanctl> scan wifi
Scan completed for wifi
connmanctl> monitor
Service      wifi_681401a2095d_4d79537065637472756d5769466964382d3247_managed_psk Strength = 53
Service      wifi_681401a2095d_41545477494b63616561_managed_psk Strength = 43
Manager      ServicesChanged      = {
unchanged                wifi_681401a2095d_4d79537065637472756d5769466964382d3247_managed_psk
unchanged                wifi_681401a2095d_41545477494b63616561_managed_psk
}, {
removed                  /net/connman/service/wifi_681401a2095d_566173636f6e6957696669_managed_psk
}
Service      wifi_681401a2095d_4d79537065637472756d5769466964382d3247_managed_psk Strength = 57
Service      wifi_681401a2095d_41545477494b63616561_managed_psk Strength = 45
Manager      ServicesChanged      = {
unchanged                wifi_681401a2095d_4d79537065637472756d5769466964382d3247_managed_psk
unchanged                wifi_681401a2095d_41545477494b63616561_managed_psk
}, {
}


Offline eQuacky

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  • Posts: 59
Re: wifi lost lxqt/connman
« Reply #2 on: 2019/09/25, 00:24:00 »
Ok got the solution over this site: https://easylinuxtipsproject.blogspot.com/p/realtek.html
Mine is the Realtek RTL8821CE chipset, the last one in the above listing.
Followed the given commands and after reboot my wifi is working again!
Seems to be there are some issues with Realtek chips?!

Offline towo

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  • Posts: 2.308
Re: wifi lost lxqt/connman
« Reply #3 on: 2019/09/25, 07:44:05 »
LANG=C apt depends linux-image-5.2.17-towo.1-siduction-amd64
  ......
  ......
  Suggests: rtl8821ce-dkms
 |Suggests: grub-pc
 |Suggests: extlinux
  Suggests: grub-efi-amd64


And your 1st post has no info about your hardware!


Code: [Select]
LANG=C apt policy rtl8821ce-dkms
rtl8821ce-dkms:
  Installed: (none)
  Candidate: 5.5.2-1.34066.20190615
  Version table:
     5.5.2-1.34066.20190615 500
        500 https://packages.siduction.org/extra unstable/main amd64 Packages
Ich gehe nicht zum Karneval, ich verleihe nur manchmal mein Gesicht.

Offline eQuacky

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  • Posts: 59
Re: wifi lost lxqt/connman
« Reply #4 on: 2019/09/25, 17:36:17 »
Thank you towo and mea culpa!
Was my fault not having specified my wifi-hardware

Offline melmarker

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Re: wifi lost lxqt/connman
« Reply #5 on: 2019/09/25, 19:42:31 »
eQuacky: you are not alone - but without this informations we are only able to guess or ask the big glassball :D
Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. (Benjamin Franklin, November 11, 1755)
Never attribute to malice that which can be adequately explained by stupidity. (Hanlons razor)

Offline eQuacky

  • User
  • Posts: 59
Re: wifi lost lxqt/connman
« Reply #6 on: 2019/09/26, 00:50:16 »
xxxxxx@sidIP330:~$ inxi -v7
System:    Host: sidIP330 Kernel: 5.2.17-towo.2-siduction-amd64 x86_64 bits: 64 compiler: gcc v: 9.2.1
           Desktop: LXQt 0.14.1 info: plank, lxqt-panel wm: xfwm4 dm: SDDM
           Distro: siduction 18.3.0 Patience - lxqt - (201908101450) base: Debian GNU/Linux bullseye/sid
Machine:   Type: Laptop System: LENOVO product: 81D6 v: Lenovo ideapad 330-15AST serial: <root required> Chassis:
           type: 10 v: Lenovo ideapad 330-15AST serial: <root required>
           Mobo: LENOVO model: LNVNB161216 v: SDK0J40709WIN serial: <root required> UEFI: LENOVO v: 8UCN09WW
           date: 07/27/2018
Battery:   ID-1: BAT0 charge: 28.9 Wh condition: 30.5/30.0 Wh (102%) volts: 8.5/7.5 model: SMP L16M2PB1
           type: Li-poly serial:  5021 status: Unknown
Memory:    RAM: total: 6.76 GiB used: 1.24 GiB (18.3%)
           RAM Report: permissions: Unable to run dmidecode. Root privileges required.
CPU:       Topology: Dual Core model: AMD A6-9225 RADEON R4 5 COMPUTE CORES 2C+3G bits: 64 type: MCP arch: Excavator
           L2 cache: 1024 KiB bogomips: 10399
           Speed: 1298 MHz min/max: 1300/2600 MHz boost: enabled Core speeds (MHz): 1: 1306 2: 1356
           Flags: 3dnowprefetch abm acc_power aes aperfmperf apic arat avic avx avx2 bmi1 bmi2 bpext clflush cmov
           cmp_legacy constant_tsc cpb cpuid cr8_legacy cx16 cx8 de decodeassists extapic extd_apicid f16c
           flushbyasid fma fma4 fpu fsgsbase fxsr fxsr_opt ht hw_pstate ibs lahf_lm lbrv lm lwp mca mce misalignsse
           mmx mmxext monitor movbe msr mtrr mwaitx nodeid_msr nonstop_tsc nopl npt nrip_save nx osvw overflow_recov
           pae pat pausefilter pclmulqdq pdpe1gb perfctr_core perfctr_nb pfthreshold pge pni popcnt pse pse36 ptsc
           rdtscp rep_good sep skinit smep ssbd sse sse2 sse4_1 sse4_2 sse4a ssse3 svm svm_lock syscall tbm tce tsc
           tsc_scale v_vmsave_vmload vgif vmcb_clean vme vmmcall wdt xop xsave xsaveopt
Graphics:  Device-1: Advanced Micro Devices [AMD/ATI] Stoney [Radeon R2/R3/R4/R5 Graphics] vendor: Lenovo
           driver: amdgpu v: kernel bus ID: 00:01.0 chip ID: 1002:98e4
           Display: x11 server: X.Org 1.20.4 driver: amdgpu FAILED: ati unloaded: fbdev,modesetting,vesa
           resolution: 1920x1080~60Hz
           OpenGL: renderer: AMD STONEY (DRM 3.32.0 5.2.17-towo.2-siduction-amd64 LLVM 8.0.1) v: 4.5 Mesa 19.1.6
           direct render: Yes
Audio:     Device-1: Advanced Micro Devices [AMD/ATI] vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 00:01.1
           chip ID: 1002:15b3
           Device-2: Advanced Micro Devices [AMD] Family 15h Audio vendor: Lenovo driver: snd_hda_intel v: kernel
           bus ID: 00:09.2 chip ID: 1022:157a
           Sound Server: ALSA v: k5.2.17-towo.2-siduction-amd64
Network:   Device-1: Realtek RTL8821CE 802.11ac PCIe Wireless Network Adapter vendor: Lenovo driver: rtl8821ce
           v: N/A port: 2000 bus ID: 01:00.0 chip ID: 10ec:c821
           IF: wlp1s0 state: up mac: 28:39:26:01:7f:93
           IP v4: 192.168.0.152/24 scope: global broadcast: 192.168.0.255
           IP v6: fe80::2a39:26ff:fe01:7f93/64 scope: link
           Device-2: Realtek RTL810xE PCI Express Fast Ethernet vendor: Lenovo driver: r8169 v: kernel port: 1000
           bus ID: 02:00.0 chip ID: 10ec:8136
           IF: enp2s0 state: down mac: e8:6a:64:5a:89:f4
           WAN IP: No WAN IP data found. Connected to the web? SSL issues?
Drives:    Local Storage: total: 238.47 GiB used: 86.53 GiB (36.3%)
           ID-1: /dev/sda vendor: SK Hynix model: HFS256G32TNF-N3A0A size: 238.47 GiB speed: 6.0 Gb/s
           serial: MJ8BN09661090BD57 rev: 0P10 scheme: GPT
           Message: No Optical or Floppy data was found.
RAID:      Message: No RAID data was found.
Partition: ID-1: / size: 144.24 GiB used: 86.50 GiB (60.0%) fs: ext4 dev: /dev/sda5 label: N/A
           uuid: ae791057-0f2e-4e65-b380-cdeafa954484
           ID-2: /boot/efi size: 256.0 MiB used: 28.4 MiB (11.1%) fs: vfat dev: /dev/sda1 label: SYSTEM_DRV
           uuid: 6066-D2F6
Unmounted: ID-1: /dev/sda2 size: 16.0 MiB fs: <root required> label: N/A uuid: N/A
           ID-2: /dev/sda3 size: 89.67 GiB fs: ntfs label: Windows-SSD uuid: E8A46C73A46C4662
           ID-3: /dev/sda4 size: 1000.0 MiB fs: ntfs label: WINRE_DRV uuid: EC446DAA446D786A
USB:       Hub: 1-0:1 info: Full speed (or root) Hub ports: 2 rev: 2.0 speed: 480 Mb/s chip ID: 1d6b:0002
           Hub: 1-1:2 info: Advanced Micro Devices ports: 4 rev: 2.0 speed: 480 Mb/s chip ID: 0438:7900
           Device-1: 1-1.1:3 info: N/A type: Mouse driver: hid-generic,usbhid interfaces: 1 rev: 1.1 speed: 12 Mb/s
           chip ID: 3938:1031
           Device-2: 1-1.2:4 info: Realtek type: Bluetooth driver: btusb interfaces: 2 rev: 1.1 speed: 12 Mb/s
           chip ID: 0bda:c024 serial: 00e04c000001
           Device-3: 1-1.3:5 info: Syntek type: Video driver: uvcvideo interfaces: 2 rev: 2.0 speed: 480 Mb/s
           chip ID: 174f:241a
           Hub: 2-0:1 info: Full speed (or root) Hub ports: 4 rev: 2.0 speed: 480 Mb/s chip ID: 1d6b:0002
           Hub: 3-0:1 info: Full speed (or root) Hub ports: 4 rev: 3.0 speed: 5 Gb/s chip ID: 1d6b:0003
Sensors:   System Temperatures: cpu: 39.0 C mobo: N/A gpu: amdgpu temp: 39 C
           Fan Speeds (RPM): N/A
Info:      Processes: 164 Uptime: 7h 58m Init: systemd v: 242 runlevel: 5 Compilers: gcc: 9.2.1 alt: 8/9 Shell: bash
           v: 5.0.3 running in: qterminal inxi: 3.0.36

Sorry for not sharing relevant informations - if you need any further infos just let me know