The problem is that my wifi connection breaks all the time irregularly, in the span of after 5 minutes and sometimes after 30 minutes. When this happens I have to sudo service network-manager restart.
This is my wireless info:
########## wireless info START ##########
Report from: 04 Mar 2019 15:47 CET +0100
Booted last: 04 Mar 2019 00:00 CET +0100
Script from: 22 Oct 2018 03:34 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 18.04.2 LTS
Release: 18.04
Codename: bionic
##### kernel ############################
Linux 4.18.0-15-generic #16~18.04.1-Ubuntu SMP Thu Feb 7 14:06:04 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=1
##### desktop ###########################
i3
##### lspci #############################
02:00.0 Ethernet controller [0200]: Broadcom Inc. and subsidiaries NetXtreme BCM57786 Gigabit Ethernet PCIe [14e4:16a3] (rev 21)
Subsystem: Broadcom Inc. and subsidiaries NetXtreme BCM57786 Gigabit Ethernet PCIe [14e4:16a3]
02:00.1 SD Host controller [0805]: Broadcom Inc. and subsidiaries BCM57765/57785 SDXC/MMC Card Reader [14e4:16bc] (rev 21)
03:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4331 802.11a/b/g/n [14e4:4331] (rev 02)
Subsystem: Apple Inc. AirPort Extreme [106b:010f]
Kernel driver in use: wl
##### lsusb #############################
Bus 002 Device 005: ID 05ac:025a Apple, Inc.
Bus 002 Device 008: ID 05ac:828c Apple, Inc.
Bus 002 Device 004: ID 0a5c:4500 Broadcom Corp. BCM2046B1 USB 2.0 Hub (part of BCM2046 Bluetooth)
Bus 002 Device 003: ID 0424:2512 Standard Microsystems Corp. USB 2.0 Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 05ac:8510 Apple, Inc. FaceTime HD Camera (Built-in)
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 003 Device 002: ID 058f:6387 Alcor Micro Corp. Flash Drive
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
##### PCMCIA card info ##################
##### rfkill ############################
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: no
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
##### secure boot #######################
This system doesn't support Secure Boot
##### lsmod #############################
wl 6447104 0
cfg80211 667648 1 wl
##### interfaces ########################
[/etc/network/interfaces]
auto lo
iface lo inet loopback
##### ifconfig ##########################
1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback brd
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: wlp3s0: mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether brd
inet 192.168.178.37/24 brd 192.168.178.255 scope global dynamic noprefixroute wlp3s0
valid_lft 863787sec preferred_lft 863787sec
inet6 fe80::efa4:b431:4d6b:6c87/64 scope link noprefixroute
valid_lft forever preferred_lft forever
##### iwconfig ##########################
lo no wireless extensions.
wlp3s0 IEEE 802.11 ESSID:"Maria"
Mode:Managed Frequency:2.417 GHz Access Point:
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
##### route #############################
default via 192.168.178.1 dev wlp3s0 proto dhcp metric 600
169.254.0.0/16 dev wlp3s0 scope link metric 1000
192.168.178.0/24 dev wlp3s0 proto kernel scope link src 192.168.178.37 metric 600
##### resolv.conf #######################
[777 root '/etc/resolv.conf' -> '../run/systemd/resolve/stub-resolv.conf']
nameserver 127.0.0.53
options edns0
search fritz.box
##### network managers ##################
Installed:
NetworkManager
Running:
root 856 1 0 15:43 ? 00:00:00 /usr/sbin/NetworkManager --no-daemon
##### NetworkManager info ###############
GENERAL.DEVICE: wlp3s0
GENERAL.TYPE: wifi
GENERAL.NM-TYPE: NMDeviceWifi
GENERAL.VENDOR: Broadcom Limited
GENERAL.PRODUCT: BCM4331 802.11a/b/g/n
GENERAL.DRIVER: wl
GENERAL.DRIVER-VERSION: 6.30.223.271 (r587334)
GENERAL.FIRMWARE-VERSION: --
GENERAL.HWADDR:
GENERAL.MTU: 1500
GENERAL.STATE: 100 (connected)
GENERAL.REASON: 0 (No reason given)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0/net/wlp3s0
GENERAL.IP-IFACE: wlp3s0
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: Maria
GENERAL.CON-UUID: 2056ccd4-49d7-496c-ae43-2d0b8d339502
GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/1
GENERAL.METERED: no (guessed)
CAPABILITIES.CARRIER-DETECT: no
CAPABILITIES.SPEED: 130 Mb/s
CAPABILITIES.IS-SOFTWARE: no
CAPABILITIES.SRIOV: no
WIFI-PROPERTIES.WEP: yes
WIFI-PROPERTIES.WPA: yes
WIFI-PROPERTIES.WPA2: yes
WIFI-PROPERTIES.TKIP: yes
WIFI-PROPERTIES.CCMP: yes
WIFI-PROPERTIES.AP: no
WIFI-PROPERTIES.ADHOC: yes
WIFI-PROPERTIES.2GHZ: yes
WIFI-PROPERTIES.5GHZ: yes
IP4.ADDRESS[1]: 192.168.178.37/24
IP4.GATEWAY: 192.168.178.1
IP4.ROUTE[1]: dst = 0.0.0.0/0, nh = 192.168.178.1, mt = 600
IP4.ROUTE[2]: dst = 192.168.178.0/24, nh = 0.0.0.0, mt = 600
IP4.ROUTE[3]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]: 192.168.178.1
IP4.DOMAIN[1]: fritz.box
DHCP4.OPTION[1]: requested_subnet_mask = 1
DHCP4.OPTION[2]: requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[3]: subnet_mask = 255.255.255.0
DHCP4.OPTION[4]: domain_name_servers = 192.168.178.1
DHCP4.OPTION[5]: ip_address = 192.168.178.37
DHCP4.OPTION[6]: requested_static_routes = 1
DHCP4.OPTION[7]: dhcp_server_identifier = 192.168.178.1
DHCP4.OPTION[8]: requested_time_offset = 1
DHCP4.OPTION[9]: broadcast_address = 192.168.178.255
DHCP4.OPTION[10]: requested_interface_mtu = 1
DHCP4.OPTION[11]: dhcp_rebinding_time = 756000
DHCP4.OPTION[12]: requested_domain_name_servers = 1
DHCP4.OPTION[13]: dhcp_message_type = 5
DHCP4.OPTION[14]: requested_broadcast_address = 1
DHCP4.OPTION[15]: routers = 192.168.178.1
DHCP4.OPTION[16]: dhcp_renewal_time = 432000
DHCP4.OPTION[17]: requested_domain_name = 1
DHCP4.OPTION[18]: domain_name = fritz.box
DHCP4.OPTION[19]: requested_routers = 1
DHCP4.OPTION[20]: expiry = 1552574634
DHCP4.OPTION[21]: requested_wpad = 1
DHCP4.OPTION[22]: requested_netbios_scope = 1
DHCP4.OPTION[23]: requested_ms_classless_static_routes = 1
DHCP4.OPTION[24]: requested_netbios_name_servers = 1
DHCP4.OPTION[25]: network_number = 192.168.178.0
DHCP4.OPTION[26]: requested_domain_search = 1
DHCP4.OPTION[27]: next_server = 192.168.178.1
DHCP4.OPTION[28]: requested_ntp_servers = 1
DHCP4.OPTION[29]: ntp_servers = 192.168.178.1
DHCP4.OPTION[30]: requested_host_name = 1
DHCP4.OPTION[31]: dhcp_lease_time = 864000
IP6.ADDRESS[1]: fe80::efa4:b431:4d6b:6c87/64
IP6.GATEWAY: --
IP6.ROUTE[1]: dst = ff00::/8, nh = ::, mt = 256, table=255
IP6.ROUTE[2]: dst = fe80::/64, nh = ::, mt = 256
IP6.ROUTE[3]: dst = fe80::/64, nh = ::, mt = 600
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{1}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]: 2056ccd4-49d7-496c-ae43-2d0b8d339502 | Maria
SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE IN-USE
Maria Infra 2 2417 MHz 270 Mbit/s 70 ▂▄▆_ WPA1 WPA2 no
Maria Infra 2 2417 MHz 270 Mbit/s 68 ▂▄▆_ WPA2 yes *
Maria Infra 6 2437 MHz 195 Mbit/s 49 ▂▄__ WPA2 no
Nadine Infra 1 2412 MHz 130 Mbit/s 32 ▂▄__ WPA2 no
Maria Infra 44 5220 MHz 405 Mbit/s 32 ▂▄__ WPA2 no
FRITZ!Box 7312 Infra 11 2462 MHz 270 Mbit/s 20 ▂___ WPA1 WPA2 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:wwan
[[/usr/lib/NetworkManager/conf.d/20-connectivity-ubuntu.conf]]
[connectivity]
uri=http://connectivity-check.ubuntu.com/
[[/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
wifi.cloned-mac-address=preserve
ethernet.cloned-mac-address=preserve
##### NetworkManager profiles ###########
[[/etc/NetworkManager/system-connections/Maria]] (600 root)
[connection] id=Maria | type=wifi | permissions=
[wifi] mac-address= | mac-address-blacklist= | ssid=Maria
[ipv4] method=auto
[ipv6] method=auto
##### Netplan config ####################
[/etc/netplan/01-network-manager-all.yaml]
network:
version: 2
renderer: NetworkManager
##### iw reg get ########################
Region: Europe/Berlin (based on set time zone)
global
country GB: DFS-ETSI
(2402 - 2482 @ 40), (N/A, 20), (N/A)
(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW
(5490 - 5710 @ 160), (N/A, 27), (0 ms), DFS
(57000 - 66000 @ 2160), (N/A, 40), (N/A)
##### iwlist channels ###################
lo no frequency information.
wlp3s0 32 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 38 : 5.19 GHz
Channel 40 : 5.2 GHz
Channel 42 : 5.21 GHz
Channel 44 : 5.22 GHz
Channel 46 : 5.23 GHz
Channel 48 : 5.24 GHz
Channel 52 : 5.26 GHz
Channel 56 : 5.28 GHz
Channel 60 : 5.3 GHz
Channel 64 : 5.32 GHz
Channel 100 : 5.5 GHz
Channel 104 : 5.52 GHz
Channel 108 : 5.54 GHz
Channel 112 : 5.56 GHz
Channel 116 : 5.58 GHz
Channel 120 : 5.6 GHz
Channel 124 : 5.62 GHz
Channel 128 : 5.64 GHz
Current Frequency=2.417 GHz (Channel 2)
##### iwlist scan #######################
lo Interface doesn't support scanning.
Channel occupancy:
2 APs on Frequency:2.417 GHz (Channel 2)
1 APs on Frequency:2.437 GHz (Channel 6)
1 APs on Frequency:2.462 GHz (Channel 11)
1 APs on Frequency:5.22 GHz (Channel 44)
wlp3s0 Scan completed :
Cell 01 - Address:
Channel:2
Frequency:2.417 GHz (Channel 2)
Quality=60/70 Signal level=-50 dBm
Encryption key:on
ESSID:"Maria"
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=0000000000000000
Extra: Last beacon: 8ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : CCMP TKIP
Authentication Suites (1) : PSK
Cell 02 - Address:
Channel:2
Frequency:2.417 GHz (Channel 2)
Quality=53/70 Signal level=-57 dBm
Encryption key:on
ESSID:"Maria"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s
18 Mb/s; 36 Mb/s; 54 Mb/s
Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s
Mode:Master
Extra:tsf=0000000000000000
Extra: Last beacon: 8ms ago
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (2) : TKIP CCMP
Authentication Suites (1) : PSK
Cell 03 - Address:
Channel:6
Frequency:2.437 GHz (Channel 6)
Quality=40/70 Signal level=-70 dBm
Encryption key:on
ESSID:"Maria"
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=0000000000000000
Extra: Last beacon: 8ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
Cell 04 - Address:
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=23/70 Signal level=-87 dBm
Encryption key:on
ESSID:"FRITZ!Box 7312"
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=0000000000000000
Extra: Last beacon: 8ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: WPA Version 1
Group Cipher : TKIP
Pairwise Ciphers (1) : TKIP
Authentication Suites (1) : PSK
Cell 05 - Address:
Channel:44
Frequency:5.22 GHz (Channel 44)
Quality=32/70 Signal level=-78 dBm
Encryption key:on
ESSID:"Maria"
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=0000000000000000
Extra: Last beacon: 8ms ago
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
##### module infos ######################
[wl]
filename: /lib/modules/4.18.0-15-generic/updates/dkms/wl.ko
license: MIXED/Proprietary
srcversion: 00D38A27B7E3C7B97C238FC
depends: cfg80211
retpoline: Y
name: wl
vermagic: 4.18.0-15-generic SMP mod_unload
signat: PKCS#7
signer:
sig_key:
sig_hashalgo: md4
parm: passivemode:int
parm: wl_txq_thresh:int
parm: oneonly:int
parm: piomode:int
parm: instance_base:int
parm: nompc:int
parm: intf_name:string
[cfg80211]
filename: /lib/modules/4.18.0-15-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: BFB309EF7C6C321F605D36E
depends:
retpoline: Y
intree: Y
name: cfg80211
vermagic: 4.18.0-15-generic SMP mod_unload
signat: PKCS#7
signer:
sig_key:
sig_hashalgo: md4
parm: bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)
##### module parameters #################
[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-bcm43.conf]
blacklist b43
blacklist b43legacy
blacklist ssb
blacklist bcm43xx
blacklist brcm80211
blacklist brcmfmac
blacklist brcmsmac
blacklist bcma
[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
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/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 #############################
[ 5.622845] IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready (repeated 2 times)
[ 9.275412] IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
[ 17.524207] CPU: 0 PID: 442 Comm: wl_event_handle Tainted: P OE 4.18.0-15-generic #16~18.04.1-Ubuntu
[ 17.524288] wl_bss_roaming_done.isra.24+0xd6/0x130 [wl]
[ 17.524315] ? wl_bss_roaming_done.isra.24+0xd6/0x130 [wl]
[ 17.524338] wl_notify_roaming_status+0x35/0x80 [wl]
[ 17.524363] wl_event_handler+0x7a/0x1f0 [wl]
[ 17.524387] ? wl_notify_scan_status+0x330/0x330 [wl]
[ 26.644199] CPU: 1 PID: 442 Comm: wl_event_handle Tainted: P W OE 4.18.0-15-generic #16~18.04.1-Ubuntu
[ 26.644299] wl_bss_roaming_done.isra.24+0xd6/0x130 [wl]
[ 26.644330] ? wl_bss_roaming_done.isra.24+0xd6/0x130 [wl]
[ 26.644359] wl_notify_roaming_status+0x35/0x80 [wl]
[ 26.644390] wl_event_handler+0x7a/0x1f0 [wl]
[ 26.644422] ? wl_notify_scan_status+0x330/0x330 [wl]
[ 61.559411] CPU: 1 PID: 442 Comm: wl_event_handle Tainted: P W OE 4.18.0-15-generic #16~18.04.1-Ubuntu
[ 61.559563] wl_bss_roaming_done.isra.24+0xd6/0x130 [wl]
[ 61.559610] ? wl_bss_roaming_done.isra.24+0xd6/0x130 [wl]
[ 61.559656] wl_notify_roaming_status+0x35/0x80 [wl]
[ 61.559704] wl_event_handler+0x7a/0x1f0 [wl]
[ 61.559748] ? wl_notify_scan_status+0x330/0x330 [wl]
[ 222.821431] ERROR @wl_dev_intvar_get :
########## wireless info END ############
I use an MacBook Pro late 2012 with Ubuntu 18.04 and i3 wm. Thanks for any help.
Additionally the wifi breaks every time after suspend and I do not have a fix for this neither.
You can switch to another driver. Run
sudo apt install firmware-b43-installer
sudo apt purge bcmwl-kernel-source
sudo modprobe b43
and test your Wi-Fi.
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