我在 HP Envy k212ne 上使用 Broadcom Inc. 及其子公司 BCM43142 802.11b/g/n [14e4:4365] (rev 01)。 刚启动时，wifi 工作正常，但过了一会儿突然就不行了，直到下次重启。
跑步sudo iwconfig：
lo no wireless extensions.
eno1 no wireless extensions.
wlo1 IEEE 802.11 ESSID:"Saeed"
Mode:Managed Frequency:2.447 GHz Access Point: BC:34:00:42:64:60
Bit Rate:72 Mb/s Tx-Power=200 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=70/70 Signal level=-40 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessiv
e retries:0 Invalid misc:0 Missed beacon:0
这告诉我我已连接，但实际上并没有，就像是被冻结了一样，因为当我再次运行它时，显示的级别和信号质量相同。即使我运行sudo ifconfig wlo1 关闭这一点依然如故。
跑步sudo dmesg：
[ 3597.126863] ERROR @wl_cfg80211_scan :
[ 3597.126866] WLC_SCAN error (-22)
[ 3598.128222] ERROR @wl_cfg80211_scan :
[ 3598.128224] WLC_SCAN error (-22)
[ 2522.093255] ERROR @wl_cfg80211_disconnect :
[ 2522.093257] error (-22)
跑步nmcli 开发：
DEVICE TYPE STATE CONNECTION
eno1 ethernet connected Wired connection 1
wlo1 wifi unavailable --
lo loopback unmanaged --
跑步rfkill 列表： 在Ubuntu 20 LTS它显示了这一点：
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: brcmwl-0: Wireless LAN
Soft blocked: no
Hard blocked: yes
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
但是在 debian 和 mx linux 中没有硬块。
我试过：
sudo rfkill unblock all
我尝试将 hp_wmi 列入黑名单以完全禁用硬阻止
这个硬块在 ubuntu 18 LTS、debian、mx linux 中不存在。
我尝试过的：
- 使用 xfce 和 debian 安装其他 Linux 发行版，如 mx Linux。
- 用 wicd 替换网络管理器。
- 卸载并加载，重新安装驱动程序。
- 将冲突的驱动程序列入黑名单。
- 重新启动网络管理器服务。
########## wireless info START ##########
Report from: 30 Apr 2020 20:42 +0430 +0430
Booted last: 30 Apr 2020 00:00 +0430 +0430
Script from: 22 Oct 2018 03:34 UTC +0000
##### release ###########################
Distributor ID: Ubuntu
Description: Ubuntu 20.04 LTS
Release: 20.04
Codename: focal
##### kernel ############################
Linux 5.4.0-28-generic #32-Ubuntu SMP Wed Apr 22 17:40:10 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
Parameters: ro, quiet, splash, vt.handoff=7
##### desktop ###########################
Ubuntu
##### lspci #############################
08:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM43142 802.11b/g/n [14e4:4365] (rev 01)
DeviceName: Broadcom BCM43142 802.11bgn 1x1 WiFi Adapter + BT 4.0 combo adapter
Subsystem: Hewlett-Packard Company BCM43142 802.11b/g/n [103c:2230]
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 10)
DeviceName: Realtek PCIe GBE Family Controller
Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [103c:229c]
##### 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 004: ID 0a5c:216c Broadcom Corp. BCM43142A0 Bluetooth Device
Bus 002 Device 003: ID 138a:0050 Validity Sensors, Inc. Swipe Fingerprint Sensor
Bus 002 Device 002: ID 05c8:036e Cheng Uei Precision Industry Co., Ltd (Foxlink) Webcam
Bus 002 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: yes
2: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
##### secure boot #######################
EFI variables are not supported on this system
##### lsmod #############################
wl 6455296 0
cfg80211 704512 1 wl
hp_wmi 16384 0
sparse_keymap 16384 1 hp_wmi
wmi_bmof 16384 0
wmi 32768 2 hp_wmi,wmi_bmof
##### interfaces ########################
##### 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: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether <MAC 'eno1' [IF1]> brd <MAC address>
3: wlo1: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel state DOWN group default qlen 1000
link/ether <MAC 'wlo1' [IF2]> brd <MAC address>
##### iwconfig ##########################
eno1 no wireless extensions.
lo no wireless extensions.
wlo1 IEEE 802.11 ESSID:"Saeed"
Mode:Managed Frequency:2.447 GHz Access Point: <MAC address>
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
##### route #############################
##### resolv.conf #######################
[777 root '/etc/resolv.conf' -> '../run/systemd/resolve/stub-resolv.conf']
nameserver 127.0.0.53
options edns0
##### network managers ##################
Installed:
NetworkManager
Running:
root 804 1 0 19:10 ? 00:00:26 /usr/sbin/NetworkManager --no-daemon
root 4603 4226 0 20:13 pts/2 00:00:00 sudo journalctl -fu NetworkManager
root 4604 4603 0 20:13 pts/2 00:00:00 journalctl -fu NetworkManager
##### NetworkManager info ###############
GENERAL.DEVICE: eno1
GENERAL.TYPE: ethernet
GENERAL.NM-TYPE: NMDeviceEthernet
GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/2
GENERAL.VENDOR: Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
GENERAL.DRIVER: r8169
GENERAL.DRIVER-VERSION: --
GENERAL.FIRMWARE-VERSION: --
GENERAL.HWADDR: <MAC 'eno1' [IF1]>
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 40 (Carrier/link changed)
GENERAL.IP4-CONNECTIVITY: 1 (none)
GENERAL.IP6-CONNECTIVITY: 1 (none)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.3/0000:09:00.0/net/eno1
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: yes
CAPABILITIES.SPEED: 100 Mb/s
CAPABILITIES.IS-SOFTWARE: no
CAPABILITIES.SRIOV: no
INTERFACE-FLAGS.UP: yes
INTERFACE-FLAGS.LOWER-UP: no
INTERFACE-FLAGS.CARRIER: no
WIRED-PROPERTIES.CARRIER: off
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: --
GENERAL.DEVICE: wlo1
GENERAL.TYPE: wifi
GENERAL.NM-TYPE: NMDeviceWifi
GENERAL.DBUS-PATH: /org/freedesktop/NetworkManager/Devices/3
GENERAL.VENDOR: Broadcom Inc. and subsidiaries
GENERAL.PRODUCT: BCM43142 802.11b/g/n
GENERAL.DRIVER: wl
GENERAL.DRIVER-VERSION: 6.30.223.271 (r587334)
GENERAL.FIRMWARE-VERSION: --
GENERAL.HWADDR: <MAC 'wlo1' [IF2]>
GENERAL.MTU: 1500
GENERAL.STATE: 20 (unavailable)
GENERAL.REASON: 2 (Device is now managed)
GENERAL.IP4-CONNECTIVITY: 1 (none)
GENERAL.IP6-CONNECTIVITY: 1 (none)
GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.2/0000:08:00.0/net/wlo1
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
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
WIFI-PROPERTIES.MESH: no
WIFI-PROPERTIES.IBSS-RSN: no
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: --
SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE IN-USE
##### NetworkManager.state ##############
cat: /var/lib/NetworkManager/NetworkManager.state: Permission denied
##### NetworkManager config #############
[[/etc/NetworkManager/conf.d/10-ubuntu-fan.conf]]
[keyfile]
unmanaged-devices+=interface-name:fan-*
[[/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
[keyfile]
unmanaged-devices=interface-name:docker0;interface-name:veth*;interface-name:br-*
[[/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/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/Marzi.nmconnection]] (600 root)
[connection] id=Marzi | type=wifi | permissions=
[wifi] mac-address-blacklist= | ssid=Marzi
[ipv4] method=auto
[ipv6] method=auto
##### Netplan config ####################
[/etc/netplan/01-network-manager-all.yaml]
network:
version: 2
renderer: NetworkManager
##### iw reg get ########################
Region: Asia/Tehran (based on set time zone)
global
country 00: DFS-UNSET
(2402 - 2472 @ 40), (N/A, 20), (N/A)
(2457 - 2482 @ 20), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, PASSIVE-SCAN
(5170 - 5250 @ 80), (N/A, 20), (N/A), AUTO-BW, PASSIVE-SCAN
(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, AUTO-BW, PASSIVE-SCAN
(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, PASSIVE-SCAN
(5735 - 5835 @ 80), (N/A, 20), (N/A), PASSIVE-SCAN
(57240 - 63720 @ 2160), (N/A, 0), (N/A)
##### iwlist channels ###################
eno1 no frequency information.
lo no frequency information.
wlo1 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 14 : 2.484 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
Current Frequency:2.447 GHz (Channel 8)
##### iwlist scan #######################
wlo1 Interface doesn't support scanning : Network is down
eno1 Interface doesn't support scanning.
lo Interface doesn't support scanning.
##### module infos ######################
[wl]
filename: /lib/modules/5.4.0-28-generic/updates/dkms/wl.ko
license: MIXED/Proprietary
srcversion: 00D38A27B7E3C7B97C238FC
depends: cfg80211
retpoline: Y
name: wl
vermagic: 5.4.0-28-generic SMP mod_unload
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/5.4.0-28-generic/kernel/net/wireless/cfg80211.ko
description: wireless configuration support
license: GPL
author: Johannes Berg
srcversion: 8795FC14A499B3F7A2F6AD8
depends:
retpoline: Y
intree: Y
name: cfg80211
vermagic: 5.4.0-28-generic SMP mod_unload
sig_id: PKCS#7
signer: Build time autogenerated kernel key
sig_key: 42:A8:A9:98:8B:E6:F1:71:2C:AF:A3:32:4E:72:D5:45:3C:41:3F:7A
sig_hashalgo: sha512
signature: 5C:D8:AC:A2:FD:65:17:DB:37:3C:41:4F:49:45:94:86:F4:B3:EF:B0:
6F:CF:F7:C7:27:AA:1A:4A:E8:AC:88:C7:BA:D6:71:B9:64:E4:08:16:
33:A0:CB:BF:A7:A0:9F:33:14:66:1E:A9:61:42:72:50:04:85:79:8D:
97:36:57:F4:45:04:2C:80:4D:B4:37:EE:D6:CC:A5:D0:43:95:0A:DC:
AB:F2:13:D7:45:73:B8:85:CF:6B:0C:BA:FB:79:20:97:8F:AE:72:E9:
18:0D:D6:64:2D:99:BB:62:A1:23:28:50:4B:B6:69:07:56:FE:F9:C5:
99:78:95:94:A4:E0:79:36:27:DF:66:48:C4:D8:CF:86:29:12:5E:CF:
CD:40:FF:DC:92:44:9A:1D:A5:57:08:81:5B:A0:0D:2D:42:35:30:0E:
76:90:8F:D7:E6:8F:66:04:22:3E:CF:C3:99:4C:7B:F2:CE:8A:54:D6:
83:45:EB:82:3A:CB:E4:26:E3:C8:73:97:06:C2:EB:71:A5:38:75:53:
AC:5D:2E:DD:8B:68:DE:1C:F8:43:35:C2:B1:C5:E5:19:01:9B:F1:23:
87:74:D0:64:50:AD:CE:AE:B4:D7:34:67:DB:40:1E:8F:12:D2:D5:E9:
F7:B6:BD:0E:64:87:24:52:BC:00:15:33:04:08:00:E6:DE:42:54:AA:
FC:BC:1D:BF:4F:6B:73:AD:77:F7:37:22:C0:C9:D6:A3:CA:D9:02:83:
54:4B:DA:51:84:AD:84:3A:F8:34:27:79:42:E9:CD:4F:74:65:8C:F2:
43:A5:26:6F:F1:20:B3:29:29:5C:C2:16:4C:ED:DB:EE:CD:B6:AD:5E:
C0:E6:C0:54:4D:F9:A7:90:04:38:60:48:51:B2:CA:5D:7D:06:E4:44:
71:29:C4:73:62:50:4C:30:D6:41:B5:B3:47:71:21:1E:A6:22:AB:19:
9B:56:28:B1:FB:CD:77:0E:30:71:7B:AD:2C:BD:57:7E:9C:EF:42:75:
4F:E3:17:44:15:FF:3E:0C:F9:AB:5A:3C:EB:DA:7C:42:41:6B:CE:A9:
F0:7E:A5:1D:C4:64:7B:17:D9:51:5E:62:5E:7F:AF:D5:99:F3:AE:02:
50:65:E7:7F:61:AF:54:9B:8D:EF:F0:A4:01:C6:51:84:AE:41:8D:F4:
7F:E7:B1:C0:D3:E2:F2:BA:38:48:52:A0:FC:B4:BA:F8:0C:C1:BB:66:
2D:D1:65:2B:A9:C6:2E:1D:D7:C5:90:61:D1:60:9D:54:B8:E9:7C:C2:
1D:3B:D3:51:5B:CC:F7:92:2B:12:86:4C:EC:FB:BD:E7:E3:D5:1A:EC:
9B:BA:C5:AA:2A:31:0D:73:AD:56:BA:77
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 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 #############################
[ 1524.384479] r8169 0000:09:00.0 eno1: Link is Down
[ 1606.391024] r8169 0000:09:00.0 eno1: Link is Up - 100Mbps/Full - flow control rx/tx
[ 1606.391048] IPv6: ADDRCONF(NETDEV_CHANGE): eno1: link becomes ready
[ 1885.273890] r8169 0000:09:00.0 eno1: Link is Down
[ 1897.998620] r8169 0000:09:00.0 eno1: Link is Up - 100Mbps/Full - flow control rx/tx
[ 3685.055608] ERROR @wl_dev_intvar_get :
[ 4026.605757] r8169 0000:09:00.0 eno1: Link is Down
[ 4117.418475] r8169 0000:09:00.0 eno1: Link is Up - 100Mbps/Full - flow control rx/tx
[ 4124.185220] r8169 0000:09:00.0 eno1: Link is Down
[ 4128.494878] ERROR @wl_dev_intvar_get :
[ 4370.103487] r8169 0000:09:00.0 eno1: Link is Up - 100Mbps/Full - flow control rx/tx
[ 4392.969612] r8169 0000:09:00.0 eno1: Link is Down
[ 4570.331043] ERROR @wl_dev_intvar_get :
########## wireless info END ############
感谢您的时间和帮助。