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I have upgraded from Ubuntu 18.04 to 20.04 and my laptop stopped connecting to some Wi-fi networks it had connected to before, but continues to connect OK to other ones.

The not connecting network (HH40V_2014 further in the info): it starts connecting, it asks for a password after a while, I provide the correct password, keeps connecting, it ends up asking again.

The connecting network (CheckVienna free WiFi further in the info): it connects OK as previously on 18.04.

My info from Wireless Info Script (based on https://askubuntu.com/a/425205/471632 ):


########## wireless info START ##########

Report from: 25 May 2021 17:06 CEST +0200

Booted last: 25 May 2021 00:00 CEST +0200

Script from: 25 Jan 2020 03:34 UTC +0000

release

Distributor ID: Ubuntu Description: Ubuntu 20.04.2 LTS Release: 20.04 Codename: focal

kernel

Linux 5.4.0-73-generic #82-Ubuntu SMP Wed Apr 14 17:39:42 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

Parameters: ro, quiet, splash, vt.handoff=7

desktop

Ubuntu

lspci

01:00.0 Network controller [0280]: Intel Corporation Wireless 7265 [8086:095a] (rev 48) Subsystem: Intel Corporation Dual Band Wireless-AC 7265 [8086:5010] Kernel driver in use: iwlwifi

lsusb

Bus 001 Device 002: ID 8087:8001 Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 002 Device 008: ID 04f2:b469 Chicony Electronics Co., Ltd HD WebCam Bus 002 Device 007: ID 06cb:7680 Synaptics, Inc. Synaptics Touch Digitizer V04 Bus 002 Device 030: ID 2717:ff80 Xiaomi Inc. Mi/Redmi series (RNDIS) Bus 002 Device 003: ID 1bcf:0005 Sunplus Innovation Technology Inc. Optical Mouse Bus 002 Device 004: ID 05ac:0221 Apple, Inc. Aluminum Keyboard (ISO) Bus 002 Device 002: ID 05ac:1006 Apple, Inc. Hub in Aluminum Keyboard Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

PCMCIA card info
rfkill

0: acer-wireless: Wireless LAN Soft blocked: no Hard blocked: no 2: acer-bluetooth: Bluetooth Soft blocked: yes Hard blocked: no 3: phy0: Wireless LAN Soft blocked: no Hard blocked: no

secure boot

SecureBoot disabled

lsmod

wmi_bmof 16384 0 iwlmvm 380928 0 mac80211 847872 1 iwlmvm acer_wmi 24576 0 libarc4 16384 1 mac80211 iwlwifi 331776 1 iwlmvm cfg80211 704512 3 iwlmvm,iwlwifi,mac80211 sparse_keymap 16384 2 acer_wmi,intel_vbtn video 49152 2 acer_wmi,i915 wmi 32768 2 acer_wmi,wmi_bmof

interfaces

[/etc/network/interfaces] auto lo iface lo inet loopback

ifconfig

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback <MAC address> brd <MAC address> inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: wlp1s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000 link/ether <MAC 'wlp1s0' [IF1]> brd <MAC address> inet6 fe80::f11:ac07:b9e:4d60/64 scope link noprefixroute valid_lft forever preferred_lft forever 3: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default link/ether <MAC 'docker0' [IF2]> brd <MAC address> inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0 valid_lft forever preferred_lft forever 11: usb0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000 link/ether <MAC 'usb0' [IF3]> brd <MAC address> inet 192.168.42.9/24 brd 192.168.42.255 scope global dynamic noprefixroute usb0 valid_lft 2925sec preferred_lft 2925sec inet6 fe80::e507:5b67:4045:7c5f/64 scope link noprefixroute valid_lft forever preferred_lft forever

iwconfig

docker0 no wireless extensions.

usb0 no wireless extensions.

lo no wireless extensions.

wlp1s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on

route

default via 192.168.42.129 dev usb0 proto dhcp metric 100 169.254.0.0/16 dev docker0 scope link metric 1000 linkdown 172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown 192.168.42.0/24 dev usb0 proto kernel scope link src 192.168.42.9 metric 100

resolv.conf

[777 root '/etc/resolv.conf' -> '../run/resolvconf/resolv.conf']

nameserver 127.0.0.53 search lan

network managers

Installed:

NetworkManager

Running:

root 1290 1 0 May24 ? 00:01:24 /usr/sbin/NetworkManager --no-daemon

NetworkManager info

GENERAL.DEVICE: usb0 GENERAL.TYPE: ethernet GENERAL.NM-TYPE: NMDeviceEthernet GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/12 GENERAL.VENDOR: Xiaomi Inc. GENERAL.PRODUCT: Mi/Redmi series (RNDIS) GENERAL.DRIVER: rndis_host GENERAL.DRIVER-VERSION: 22-Aug-2005 GENERAL.FIRMWARE-VERSION: RNDIS device GENERAL.HWADDR: <MAC 'usb0' [IF3]> GENERAL.MTU: 1500 GENERAL.STATE: 100 (connected) GENERAL.REASON: 0 (No reason given) GENERAL.IP4-CONNECTIVITY: 4 (full) GENERAL.IP6-CONNECTIVITY: 4 (full) GENERAL.UDI: /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/net/usb0 GENERAL.IP-IFACE: usb0 GENERAL.IS-SOFTWARE: no GENERAL.NM-MANAGED: yes GENERAL.AUTOCONNECT: yes GENERAL.FIRMWARE-MISSING: no GENERAL.NM-PLUGIN-MISSING: no GENERAL.PHYS-PORT-ID: -- GENERAL.CONNECTION: Ethernet connection 1 GENERAL.CON-UUID: 214f6339-8377-4d3b-bd17-3b6fb19f4570 GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/37 GENERAL.METERED: yes (guessed) CAPABILITIES.CARRIER-DETECT: yes CAPABILITIES.SPEED: unknown CAPABILITIES.IS-SOFTWARE: no CAPABILITIES.SRIOV: no INTERFACE-FLAGS.UP: yes INTERFACE-FLAGS.LOWER-UP: yes INTERFACE-FLAGS.CARRIER: yes WIRED-PROPERTIES.CARRIER: on IP4.ADDRESS[1]: 192.168.42.9/24 IP4.GATEWAY: 192.168.42.129 IP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 192.168.42.129, mt = 100 IP4.ROUTE[2]: dst = 192.168.42.0/24, nh = 0.0.0.0, mt = 100 IP4.DNS[1]: 192.168.42.129 DHCP4.OPTION[1]: dhcp_lease_time = 3600 DHCP4.OPTION[2]: domain_name_servers = 192.168.42.129 DHCP4.OPTION[3]: expiry = 1621958088 DHCP4.OPTION[4]: host_name = sloup DHCP4.OPTION[5]: ip_address = 192.168.42.9 DHCP4.OPTION[6]: next_server = 192.168.42.129 DHCP4.OPTION[7]: requested_broadcast_address = 1 DHCP4.OPTION[8]: requested_domain_name = 1 DHCP4.OPTION[9]: requested_domain_name_servers = 1 DHCP4.OPTION[10]: requested_domain_search = 1 DHCP4.OPTION[11]: requested_host_name = 1 DHCP4.OPTION[12]: requested_interface_mtu = 1 DHCP4.OPTION[13]: requested_ms_classless_static_routes = 1 DHCP4.OPTION[14]: requested_nis_domain = 1 DHCP4.OPTION[15]: requested_nis_servers = 1 DHCP4.OPTION[16]: requested_ntp_servers = 1 DHCP4.OPTION[17]: requested_rfc3442_classless_static_routes = 1 DHCP4.OPTION[18]: requested_root_path = 1 DHCP4.OPTION[19]: requested_routers = 1 DHCP4.OPTION[20]: requested_static_routes = 1 DHCP4.OPTION[21]: requested_subnet_mask = 1 DHCP4.OPTION[22]: requested_time_offset = 1 DHCP4.OPTION[23]: requested_wpad = 1 DHCP4.OPTION[24]: routers = 192.168.42.129 DHCP4.OPTION[25]: subnet_mask = 255.255.255.0 IP6.ADDRESS[1]: fe80::e507:5b67:4045:7c5f/64 IP6.GATEWAY: -- IP6.ROUTE[1]: dst = fe80::/64, nh = ::, mt = 100 CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/112 CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 214f6339-8377-4d3b-bd17-3b6fb19f4570 | Ethernet connection 1

GENERAL.DEVICE: docker0 GENERAL.TYPE: bridge GENERAL.NM-TYPE: NMDeviceBridge GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/4 GENERAL.VENDOR: -- GENERAL.PRODUCT: -- GENERAL.DRIVER: bridge GENERAL.DRIVER-VERSION: 2.3 GENERAL.FIRMWARE-VERSION: N/A GENERAL.HWADDR: <MAC 'docker0' [IF2]> GENERAL.MTU: 1500 GENERAL.STATE: 100 (connected) GENERAL.REASON: 0 (No reason given) GENERAL.IP4-CONNECTIVITY: 3 (limited) GENERAL.IP6-CONNECTIVITY: 3 (limited) GENERAL.UDI: /sys/devices/virtual/net/docker0 GENERAL.IP-IFACE: docker0 GENERAL.IS-SOFTWARE: yes GENERAL.NM-MANAGED: yes GENERAL.AUTOCONNECT: yes GENERAL.FIRMWARE-MISSING: no GENERAL.NM-PLUGIN-MISSING: no GENERAL.PHYS-PORT-ID: -- GENERAL.CONNECTION: docker0 GENERAL.CON-UUID: f1225fe4-0a5b-4445-8272-326484a294aa GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/2 GENERAL.METERED: no (guessed) CAPABILITIES.CARRIER-DETECT: yes CAPABILITIES.SPEED: unknown CAPABILITIES.IS-SOFTWARE: yes CAPABILITIES.SRIOV: no INTERFACE-FLAGS.UP: yes INTERFACE-FLAGS.LOWER-UP: no INTERFACE-FLAGS.CARRIER: no IP4.ADDRESS[1]: 172.17.0.1/16 IP4.GATEWAY: -- IP4.ROUTE[1]: dst = 172.17.0.0/16, nh = 0.0.0.0, mt = 0 IP4.ROUTE[2]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000 IP6.GATEWAY: -- BRIDGE.SLAVES: -- CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/135 CONNECTIONS.AVAILABLE-CONNECTIONS[1]: f1225fe4-0a5b-4445-8272-326484a294aa | docker0

GENERAL.DEVICE: wlp1s0 GENERAL.TYPE: wifi GENERAL.NM-TYPE: NMDeviceWifi GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/2 GENERAL.VENDOR: Intel Corporation GENERAL.PRODUCT: Wireless 7265 (Dual Band Wireless-AC 7265) GENERAL.DRIVER: iwlwifi GENERAL.DRIVER-VERSION: 5.4.0-73-generic GENERAL.FIRMWARE-VERSION: 17.3216344376.0 GENERAL.HWADDR: <MAC 'wlp1s0' [IF1]> GENERAL.MTU: 1500 GENERAL.STATE: 70 (connecting (getting IP configuration)) GENERAL.REASON: 0 (No reason given) GENERAL.IP4-CONNECTIVITY: 1 (none) GENERAL.IP6-CONNECTIVITY: 1 (none) GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.0/0000:01:00.0/net/wlp1s0 GENERAL.IP-IFACE: -- GENERAL.IS-SOFTWARE: no GENERAL.NM-MANAGED: yes GENERAL.AUTOCONNECT: yes GENERAL.FIRMWARE-MISSING: no GENERAL.NM-PLUGIN-MISSING: no GENERAL.PHYS-PORT-ID: -- GENERAL.CONNECTION: CheckVienna free WiFi GENERAL.CON-UUID: 5e8dcbf2-f1dc-4126-b8f4-284c02717f21 GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/40 GENERAL.METERED: unknown CAPABILITIES.CARRIER-DETECT: no CAPABILITIES.SPEED: 6 Mb/s CAPABILITIES.IS-SOFTWARE: no CAPABILITIES.SRIOV: no INTERFACE-FLAGS.UP: yes INTERFACE-FLAGS.LOWER-UP: no INTERFACE-FLAGS.CARRIER: no WIFI-PROPERTIES.WEP: yes WIFI-PROPERTIES.WPA: yes WIFI-PROPERTIES.WPA2: yes WIFI-PROPERTIES.TKIP: yes WIFI-PROPERTIES.CCMP: yes WIFI-PROPERTIES.AP: yes WIFI-PROPERTIES.ADHOC: yes WIFI-PROPERTIES.2GHZ: yes WIFI-PROPERTIES.5GHZ: yes WIFI-PROPERTIES.MESH: no WIFI-PROPERTIES.IBSS-RSN: yes CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/56,/org/freedesktop/NetworkManager/Settings/72,/org/freedesktop/NetworkManager/Settings/114 CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 3e1a6d31-fb6f-49c1-960d-aaa0b6661705 | Ubuntu CONNECTIONS.AVAILABLE-CONNECTIONS[2]: 8299c059-44dd-47a9-b80f-bda6b69dc2af | HH40V_2014 CONNECTIONS.AVAILABLE-CONNECTIONS[3]: 5e8dcbf2-f1dc-4126-b8f4-284c02717f21 | CheckVienna free WiFi

GENERAL.DEVICE: p2p-dev-wlp1s0 GENERAL.TYPE: wifi-p2p GENERAL.NM-TYPE: NMDeviceWifiP2P GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/3 GENERAL.VENDOR: -- GENERAL.PRODUCT: -- GENERAL.DRIVER: (unknown) GENERAL.DRIVER-VERSION: -- GENERAL.FIRMWARE-VERSION: -- GENERAL.HWADDR: (unknown) GENERAL.MTU: 0 GENERAL.STATE: 30 (disconnected) GENERAL.REASON: 0 (No reason given) GENERAL.IP4-CONNECTIVITY: 1 (none) GENERAL.IP6-CONNECTIVITY: 1 (none) GENERAL.UDI: /virtual/device/placeholder/0 GENERAL.IP-IFACE: -- GENERAL.IS-SOFTWARE: no GENERAL.NM-MANAGED: yes GENERAL.AUTOCONNECT: yes GENERAL.FIRMWARE-MISSING: no GENERAL.NM-PLUGIN-MISSING: no GENERAL.PHYS-PORT-ID: -- GENERAL.CONNECTION: -- GENERAL.CON-UUID: -- GENERAL.CON-PATH: -- GENERAL.METERED: unknown CAPABILITIES.CARRIER-DETECT: no CAPABILITIES.SPEED: unknown CAPABILITIES.IS-SOFTWARE: no CAPABILITIES.SRIOV: no INTERFACE-FLAGS.UP: no INTERFACE-FLAGS.LOWER-UP: no INTERFACE-FLAGS.CARRIER: no CONNECTIONS.AVAILABLE-CONNECTION-PATHS: --

SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE IN-USE HH40V_2014 <MAC 'HH40V_2014' [AC1]> Infra 8 2447 MHz 130 Mbit/s 69 ▂▄▆_ WPA2 no
CheckVienna free WiFi <MAC 'CheckVienna free WiFi' [AN2]> Infra 36 5180 MHz 270 Mbit/s 9 ▂___ -- no

NetworkManager.state

[main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true

NetworkManager config

[[/etc/NetworkManager/conf.d/default-wifi-powersave-on.conf]] [connection] wifi.powersave = 3

[[/etc/NetworkManager/NetworkManager.conf]] [main] plugins=ifupdown,keyfile [ifupdown] managed=false [device] wifi.scan-rand-mac-address=no

[[/usr/lib/NetworkManager/conf.d/10-dns-resolved.conf]] [main] dns=systemd-resolved

[[/usr/lib/NetworkManager/conf.d/10-globally-managed-devices.conf]] [keyfile] unmanaged-devices=*,except:type:wifi,except:type:gsm,except:type:cdma

[[/usr/lib/NetworkManager/conf.d/no-mac-addr-change.conf]] [device-mac-addr-change-wifi] match-device=driver:rtl8723bs,driver:rtl8189es,driver:r8188eu,driver:8188eu,driver:eagle_sdio,driver:wl wifi.scan-rand-mac-address=no

NetworkManager profiles

[Deleted, containing personal info + too long for a question here]

Netplan config
iw reg get

Region: Europe/Berlin (based on set time zone)

global country 00: DFS-UNSET (2402 - 2472 @ 40), (6, 20), (N/A) (2457 - 2482 @ 20), (6, 20), (N/A), AUTO-BW, PASSIVE-SCAN (2474 - 2494 @ 20), (6, 20), (N/A), NO-OFDM, PASSIVE-SCAN (5170 - 5250 @ 80), (6, 20), (N/A), AUTO-BW, PASSIVE-SCAN (5250 - 5330 @ 80), (6, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN (5490 - 5730 @ 160), (6, 20), (0 ms), DFS, PASSIVE-SCAN (5735 - 5835 @ 80), (6, 20), (N/A), PASSIVE-SCAN (57240 - 63720 @ 2160), (N/A, 0), (N/A)

iwlist channels

docker0 no frequency information.

usb0 no frequency information.

lo no frequency information.

wlp1s0 32 channels in total; available frequencies : [Deleted, too long for a question here]

iwlist scan

docker0 Interface doesn't support scanning.

usb0 Interface doesn't support scanning.

lo Interface doesn't support scanning.

Channel occupancy:

  1   APs on   Frequency:2.447 GHz (Channel 8)

wlp1s0 Scan completed : Cell 01 - Address: <MAC 'HH40V_2014' [AC1]> Channel:8 Frequency:2.447 GHz (Channel 8) Quality=53/70 Signal level=-57 dBm
Encryption key:on ESSID:"HH40V_2014" Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s 9 Mb/s; 12 Mb/s; 18 Mb/s Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s Mode:Master Extra:tsf=000000378cd5baf6 Extra: Last beacon: 3104ms ago IE: IEEE 802.11i/WPA2 Version 1 Group Cipher : CCMP Pairwise Ciphers (1) : CCMP Authentication Suites (1) : PSK

module infos

[Deleted, too long for a question here]

module parameters

[iwlmvm] init_dbg: N power_scheme: 2 tfd_q_hang_detect: Y

[mac80211] beacon_loss_count: 7 ieee80211_default_rc_algo: minstrel_ht max_nullfunc_tries: 2 max_probe_tries: 5 minstrel_vht_only: Y probe_wait_ms: 500

[iwlwifi] 11n_disable: 0 amsdu_size: 0 antenna_coupling: 0 bt_coex_active: Y disable_11ac: N disable_11ax: N enable_ini: N fw_monitor: N fw_restart: Y lar_disable: N led_mode: 0 nvm_file: (null) power_level: 0 power_save: N remove_when_gone: N swcrypto: 0 uapsd_disable: 3

[cfg80211] bss_entries_limit: 1000 cfg80211_disable_40mhz_24ghz: N ieee80211_regdom: 00

/etc/modules
modprobe options

[/etc/modprobe.d/amd64-microcode-blacklist.conf] blacklist microcode

[/etc/modprobe.d/blacklist-ath_pci.conf] blacklist ath_pci

[/etc/modprobe.d/blacklist.conf] blacklist evbug blacklist usbmouse blacklist usbkbd blacklist eepro100 blacklist de4x5 blacklist eth1394 blacklist snd_intel8x0m blacklist snd_aw2 blacklist prism54 blacklist bcm43xx blacklist garmin_gps blacklist asus_acpi blacklist snd_pcsp blacklist pcspkr blacklist amd76x_edac

[/etc/modprobe.d/blacklist-rare-network.conf] alias net-pf-3 off alias net-pf-6 off alias net-pf-9 off alias net-pf-11 off alias net-pf-12 off alias net-pf-19 off alias net-pf-21 off alias net-pf-36 off

[/etc/modprobe.d/hid_apple.conf] options hid_apple swap_fn_leftctrl=1

[/etc/modprobe.d/intel-microcode-blacklist.conf] blacklist microcode

[/etc/modprobe.d/iwlwifi.conf] remove iwlwifi
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod)
&& /sbin/modprobe -r mac80211

rc.local

grep: /etc/rc.local: No such file or directory

pm-utils
udev rules
dmesg

[100834.452581] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 2/3) [100834.560601] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 3/3) [100834.664578] wlp1s0: association with <MAC 'HH40V_2014' [AC1]> timed out [100839.526368] wlp1s0: authenticate with <MAC 'HH40V_2014' [AC1]> [100839.530823] wlp1s0: send auth to <MAC 'HH40V_2014' [AC1]> (try 1/3) [100839.540729] wlp1s0: authenticated [100839.544630] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 1/3) [100839.648613] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 2/3) [100839.752616] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 3/3) [100839.856608] wlp1s0: association with <MAC 'HH40V_2014' [AC1]> timed out [100853.194659] wlp1s0: authenticate with <MAC 'HH40V_2014' [AC1]> [100853.199025] wlp1s0: send auth to <MAC 'HH40V_2014' [AC1]> (try 1/3) [100853.209736] wlp1s0: authenticated [100853.212701] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 1/3) [100853.316692] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 2/3) [100853.420757] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 3/3) [100853.528772] wlp1s0: association with <MAC 'HH40V_2014' [AC1]> timed out [100864.515077] wlp1s0: authenticate with <MAC 'HH40V_2014' [AC1]> [100864.519522] wlp1s0: send auth to <MAC 'HH40V_2014' [AC1]> (try 1/3) [100864.530287] wlp1s0: authenticated [100864.532762] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 1/3) [100864.636749] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 2/3) [100864.740763] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 3/3) [100864.848756] wlp1s0: association with <MAC 'HH40V_2014' [AC1]> timed out [100875.778394] wlp1s0: authenticate with <MAC 'HH40V_2014' [AC1]> [100875.782172] wlp1s0: send auth to <MAC 'HH40V_2014' [AC1]> (try 1/3) [100875.792066] wlp1s0: authenticated [100875.792813] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 1/3) [100875.896822] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 2/3) [100876.000825] wlp1s0: associate with <MAC 'HH40V_2014' [AC1]> (try 3/3) [100876.104830] wlp1s0: association with <MAC 'HH40V_2014' [AC1]> timed out [100890.314229] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [100890.319535] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [100890.321320] wlp1s0: authenticated [100890.324890] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [100890.326142] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=4) [100890.327879] wlp1s0: associated [100890.328830] IPv6: ADDRCONF(NETDEV_CHANGE): wlp1s0: link becomes ready [100908.164924] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [100908.170987] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [100908.173694] wlp1s0: authenticated [100908.176996] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [100908.177839] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=4) [100908.179414] wlp1s0: associated [101087.018403] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101087.023901] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101087.027541] wlp1s0: authenticated [101087.034094] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101087.035117] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101087.047429] wlp1s0: associated [101101.955226] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101101.961033] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101101.964820] wlp1s0: authenticated [101101.967764] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101101.995326] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101101.997458] wlp1s0: associated [101103.887414] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101103.893505] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101103.896942] wlp1s0: authenticated [101103.901965] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101103.925155] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101103.927154] wlp1s0: associated [101107.027041] wlp1s0: Connection to AP <MAC 'CheckVienna free WiFi' [AN2]> lost [101122.094897] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101122.101080] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101122.103609] wlp1s0: authenticated [101122.110970] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101122.112600] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101122.114186] wlp1s0: associated [101124.032222] wlp1s0: Connection to AP <MAC 'CheckVienna free WiFi' [AN2]> lost [101136.695683] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101136.701410] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101136.703755] wlp1s0: authenticated [101136.704256] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101136.706096] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101136.707291] wlp1s0: associated [101142.051920] wlp1s0: Connection to AP <MAC 'CheckVienna free WiFi' [AN2]> lost [101151.322008] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101151.328345] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101151.332679] wlp1s0: authenticated [101151.333619] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101151.339988] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101151.341968] wlp1s0: associated [101158.673690] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101158.679524] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101158.685329] wlp1s0: authenticated [101158.691771] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101158.820432] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 2/3) [101158.873374] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 3/3) [101158.874968] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101158.877117] wlp1s0: associated [101160.996620] wlp1s0: Connection to AP <MAC 'CheckVienna free WiFi' [AN2]> lost [101177.412569] wlp1s0: authenticate with <MAC 'CheckVienna free WiFi' [AN2]> [101177.417908] wlp1s0: send auth to <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101177.420025] wlp1s0: authenticated [101177.421259] wlp1s0: associate with <MAC 'CheckVienna free WiFi' [AN2]> (try 1/3) [101177.423953] wlp1s0: RX AssocResp from <MAC 'CheckVienna free WiFi' [AN2]> (capab=0x1001 status=0 aid=2) [101177.425155] wlp1s0: associated [101177.425800] IPv6: ADDRCONF(NETDEV_CHANGE): wlp1s0: link becomes ready [101179.431047] wlp1s0: Connection to AP <MAC 'CheckVienna free WiFi' [AN2]> lost

########## wireless info END ############

1 Answers1

0

I finally used this answer: https://askubuntu.com/a/1272389/471632

Reinstalling some packages:

sudo apt install --reinstall resolvconf network-manager libnss-resolve