Nach dem Upgrade auf 20.04 wurde die Verbindung zu einigen Netzwerken unterbrochen

Nach dem Upgrade auf 20.04 wurde die Verbindung zu einigen Netzwerken unterbrochen

Ich habe ein Upgrade von Ubuntu 18.04 auf 20.04 durchgeführt und mein Laptop konnte zu einigen WLAN-Netzwerken, mit denen er zuvor verbunden war, keine Verbindung mehr herstellen, zu anderen Netzwerken ist die Verbindung jedoch weiterhin problemlos.

Das Netzwerk stellt keine Verbindung her ( HH40V_2014weiter unten in den Informationen): Es startet connecting, fragt nach einer Weile nach einem Kennwort, ich gebe das richtige Kennwort ein, connectinges läuft weiter und am Ende fragt es erneut.

Das Verbindungsnetzwerk ( CheckVienna free WiFiweiter unten in den Infos): Es verbindet sich wie zuvor am 18.04. einwandfrei.

Meine Informationen aus Wireless Info Script (basierend aufhttps://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 ############

Antwort1

Ich habe schließlich diese Antwort verwendet:https://askubuntu.com/a/1272389/471632

Neuinstallation einiger Pakete:

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

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