I think I have found a solution for my problem, as disabling wifi power management seems like it has fixed the issue. I did this by changing the value from 3 (Enable) to 2 (Disable) in /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf.
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# File to be place under /etc/NetworkManager/conf.d # [connection] # Values are 0 (use default), 1 (ignore/don't touch), 2 (disable) or 3 (enable).[connection] wifi.powersave = 2
Thanks to all for your help!
I am running LM20 on a Lenovo Thinkpad, and it is a great experience....until I try to resume after standby and the WiFi will not automatically reconnect or manually connect. I can use the GUI to scan and see the available SSIDs, I can select either my primary and secondary connection and it goes off like it is connecting but then fails to connect.
- Turning WiFi Off/On does not fix it
- Using the laptop Fn-F5 key to disable WiFi and then enable does not fix the problem
- Using the staus bar wifi GUI control for Network Connections I changed the Connection config to switch Band between Auto | A (5GHz) | B/G (2.4GHz), none of these Band options work. I believe this problem began when I upgraded my home Router to a TP-Link Deco M5 (x3) from a ASUS RT-AC68U. The new Router provides a single SSID for both A and B/G bands, and there are 3 mesh AP points, so I was suspecting that switching from one AP to another or switching between bands upon Resume from Standby may affect this problem. But so far setting the specific band does not fix the problem.
My only means to get back online is to reboot.
Does anyone have a suggestion on what else I can try to resolve this?
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patrick@Woody:~$ inxi -Fxz System: Kernel: 5.4.0-42-generic x86_64 bits: 64 compiler: gcc v: 9.3.0 Desktop: Cinnamon 4.6.6 Distro: Linux Mint 20 Ulyana base: Ubuntu 20.04 focal Machine: Type: Laptop System: LENOVO product: 4242A68 v: ThinkPad T520 serial: <filter> Mobo: LENOVO model: 4242A68 serial: <filter> UEFI [Legacy]: LENOVO v: 8AET64WW (1.44 ) date: 07/26/2013 Battery: ID-1: BAT0 charge: 28.6 Wh condition: 29.8/86.6 Wh (34%) model: SANYO 42T4799 status: Unknown Device-1: hidpp_battery_0 model: Logitech MK700 charge: 70% (should be ignored) status: Discharging Device-2: hidpp_battery_1 model: Logitech M705 charge: 85% status: Discharging CPU: Topology: Dual Core model: Intel Core i5-2520M bits: 64 type: MT MCP arch: Sandy Bridge rev: 7 L2 cache: 3072 KiB flags: avx lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19934 Speed: 815 MHz min/max: 800/3200 MHz Core speeds (MHz): 1: 803 2: 806 3: 818 4: 819 Graphics: Device-1: Intel 2nd Generation Core Processor Family Integrated Graphics vendor: Lenovo driver: i915 v: kernel bus ID: 00:02.0 Device-2: NVIDIA GF119M [Quadro NVS 4200M] vendor: Lenovo driver: nvidia v: 390.138 bus ID: 01:00.0 Display: x11 server: X.Org 1.20.8 driver: modesetting,nvidia unloaded: fbdev,nouveau,vesa resolution: 1920x1080~60Hz OpenGL: renderer: NVS 4200M/PCIe/SSE2 v: 4.6.0 NVIDIA 390.138 direct render: Yes Audio: Device-1: Intel 6 Series/C200 Series Family High Definition Audio vendor: Lenovo ThinkPad T520 driver: snd_hda_intel v: kernel bus ID: 00:1b.0 Device-2: NVIDIA GF119 HDMI Audio vendor: Lenovo driver: snd_hda_intel v: kernel bus ID: 01:00.1 Sound Server: ALSA v: k5.4.0-42-generic Network: Device-1: Intel 82579LM Gigabit Network vendor: Lenovo ThinkPad T520 driver: e1000e v: 3.2.6-k port: 6080 bus ID: 00:19.0 IF: enp0s25 state: down mac: <filter> Device-2: Intel Centrino Advanced-N 6205 [Taylor Peak] driver: iwlwifi v: kernel port: 5000 bus ID: 03:00.0 IF: wlp3s0 state: up mac: <filter> Drives: Local Storage: total: 476.94 GiB used: 97.39 GiB (20.4%) ID-1: /dev/sda vendor: SanDisk model: SD7SB7S512G1122 size: 476.94 GiB Partition: ID-1: / size: 191.25 GiB used: 97.39 GiB (50.9%) fs: ext4 dev: /dev/sda6 Sensors: System Temperatures: cpu: 51.0 C mobo: N/A gpu: nvidia temp: 51 C Fan Speeds (RPM): cpu: 1957 Info: Processes: 251 Uptime: 1h 50m Memory: 7.66 GiB used: 4.50 GiB (58.8%) Init: systemd runlevel: 5 Compilers: gcc: 9.3.0 Shell: bash v: 5.0.17 inxi: 3.0.38 patrick@Woody:~$ rfkill list 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no patrick@Woody:~$ mokutil --sb-state bash: mokutil: command not found patrick@Woody:~$