找不到Wi-Fi适配器-Ubuntu 18.04.2 LTS

德塔皮

不知道发生了什么,但我不再能够使用我的PCI wifi适配器。有什么想法吗?非常感谢您提供的任何帮助或指导。

Ubuntu 18.04.2 LTS

lshw -C网络结果:

*-network DISABLED        
       description: Wireless interface
       product: AR93xx Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan0
       version: 01
       serial: 68:1c:a2:06:2d:99
       width: 64 bits
       clock: 33MHz
       capabilities: bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=4.15.0-48-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:17 memory:fdec0000-fdedffff memory:fde00000-fde0ffff

rfkill列表结果:

0: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

**Within settings**:

No wi-fi adapter found 

须藤lshw -C网络

  *-network DISABLED        
       description: Wireless interface
       product: AR93xx Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan0
       version: 01
       serial: 68:1c:a2:06:2d:99
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=4.15.0-48-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:17 memory:fdec0000-fdedffff memory:fde00000-fde0ffff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: eth0
       version: 0c
       serial: 40:8d:5c:74:2d:91
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.86.71 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
       resources: irq:18 ioport:de00(size=256) memory:fdcff000-fdcfffff memory:fdbfc000-fdbfffff

cat / etc / network / interfaces

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback

猫/etc/netplan/*.yaml

cat: '/etc/netplan/*.yaml': No such file or directory

nmcli设备显示wlan0

注意:我尝试了nmcli设备显示wlan0 | grep IP4.DNS,未显示任何内容

GENERAL.DEVICE:                         wlan0
GENERAL.TYPE:                           wifi
GENERAL.HWADDR:                         68:1C:A2:06:2D:99
GENERAL.MTU:                            1500
GENERAL.STATE:                          10 (unmanaged)
GENERAL.CONNECTION:                     --
GENERAL.CON-PATH:                       --
IP4.GATEWAY:                            --
IP6.GATEWAY:                            --

sudo lshw -short -class网络

H/W path            Device      Class       Description
=======================================================
/0/100/5/0          wlan0       network     AR93xx Wireless Network Adapter
/0/100/6/0          eth0        network     RTL8111/8168/8411 PCI Express Gigabi

lspci -k | grep -A

grep: option requires an argument -- 'A'
Usage: grep [OPTION]... PATTERN [FILE]...

-i“网络控制器”

-i: command not found

ls -l /etc/resolv.conf

lrwxrwxrwx 1 root root 29 Jan 31  2016 /etc/resolv.conf -> ../run/resolvconf/resolv.conf

ls -al / etc / netplan

total 16
drwxr-xr-x   2 root root  4096 Nov 21 13:42 .
drwxr-xr-x 158 root root 12288 Apr  4 22:42 ..

须藤ifconfig wlan0向上

什么都没显示

升级后开始产生这种影响(我想-马上没有注意到,但是不久前进行了升级)。


ubuntu @ ubuntu:〜$ sudo pico /etc/netplan/config.yaml ubuntu的[sudo]密码:ubuntu @ ubuntu:〜$ sudo netplan --debug generate

DEBUG:command generate: running ['/lib/netplan/generate']
** (generate:19312): DEBUG: 21:03:25.159: Processing input file /etc/netplan/config.yaml..
** (generate:19312): DEBUG: 21:03:25.159: starting new processing pass
** (generate:19312): DEBUG: 21:03:25.159: Generating output files..

ubuntu @ ubuntu: 〜$ sudo netplan申请ubuntu @ ubuntu:〜$ sudo lshw -C network

*-network                 
       description: Wireless interface
       product: AR93xx Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan0
       version: 01
       serial: 68:1c:a2:06:2d:99
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=4.15.0-48-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:17 memory:fdec0000-fdedffff memory:fde00000-fde0ffff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: eth0
       version: 0c
       serial: 40:8d:5c:74:2d:91
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.86.71 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
       resources: irq:18 ioport:de00(size=256) memory:fdcff000-fdcfffff memory:fdbfc000-fdbfffff

4月9日9:13CT

lspci -k | grep -A 4 -i“网络控制器”

03:00.0 Network controller: Qualcomm Atheros AR93xx Wireless Network Adapter (rev 01)
    Subsystem: Qualcomm Atheros AR93xx Wireless Network Adapter
    Kernel driver in use: ath9k
    Kernel modules: ath9k, wl
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0c)

rfkill取消阻止所有

须藤lshw -C网络

  *-network DISABLED        
       description: Wireless interface
       product: AR93xx Wireless Network Adapter
       vendor: Qualcomm Atheros
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan0
       version: 01
       serial: 68:1c:a2:06:2d:99
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom ethernet physical wireless
       configuration: broadcast=yes driver=ath9k driverversion=4.15.0-48-generic firmware=N/A latency=0 link=no multicast=yes wireless=IEEE 802.11
       resources: irq:17 memory:fdec0000-fdedffff memory:fde00000-fde0ffff
  *-network
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: eth0
       version: 0c
       serial: 40:8d:5c:74:2d:91
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-2_0.0.1 02/06/13 ip=192.168.86.71 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
       resources: irq:18 ioport:de00(size=256) memory:fdcff000-fdcfffff memory:fdbfc000-fdbfffff

CT 4月11日晚上10:21

重新安装了wifi卡,并进行了以下屏幕截图:没有wifi

德塔皮

已解决-OS固定发行版(18.04.3 LTS)。

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