Networking

WPA 請求者丟棄/斷開酒店 wifi 中的 NIC

  • May 16, 2016

TL; 博士

使用 USB Wifi 加密狗時，WPA Supplicant 在我的 Raspberry Pi 3 上間歇性失敗。在“重新連接”或更改酒店的接入點時，它似乎會這樣做。

WPA GUI 狀態：“wpa_gui 無法從 wpa_supplicant 獲取狀態”，並且無線連接的圖示從連接的“waves”變為狀態為“未找到無線介面”的兩個監視器。

如何阻止我的wifi卡斷開連接？

我嘗試過的配置/事情：

  • 將 USB wifi 加密狗單獨連接到有源的外部 USB 集線器（USB 3.0、4 安培電源）
  • /etc/network/interfaces通過使用術語“無線電源關閉”並重新啟動網路服務，將 wlan1（加密狗）的文件中的“電源管理”切換為“關閉”
  • 修改/etc/default/crda文件以將變數“REGDOMAIN”從空白值更改為“US”
  • 使用指向接入點的 10dbi 增益值的定向平板天線

Pi & dongle的相關資料：

  • 執行 Raspbian Jessie 核心版本 4.1（2016 年 3 月 18 日發布）
  • uname -a表示“Linux raspberrypi 4.1.19-v7+”#858 SMP Tue Mar 15 15:56:00
  • lsusb表示 RT5730 無線晶片組；這張卡應該被 raspbian 原生支持
  • 加密狗目前連接了一個 2dbi 增益全向天線。

有關該問題的其他資訊：

  • 無線網卡連接到具有多個接入點和許多其他使用者的酒店 wifi 網路。
  • 我周圍至少有 18 個不同的接入點，最強的廣播在 -47db 左右。儘管可能存在干擾，但信號強度似乎不是問題。
  • 當設備重新驗證或（可能）更改為同一網路上的不同接入點（同一 ESS 上的不同 ap）時，似乎會出現問題
  • 問題發生後 ifconfig 仍然顯示 wlan1（問題卡），但沒有分配給它的 IP 地址。
  • 問題發生後，iwconfig 仍然顯示 wlan1 並聲明它未關聯到接入點。
  • 通過將 USB wifi 加密狗插回 pi 或 USB 集線器可以暫時解決該問題。
  • pi 正在執行內部卡作為我個人使用的訪問點
  • 來自 wlan1（加密狗）的流量經過 NAT，然後橋接到 wlan0（AP）
  • pi 的 AP 網卡在 802.11g 模式下以大約 -27 dbi 的速度廣播（我假設為 2.4 ghz）
  • pi 通過頓悟瀏覽器處理酒店網路上的強制門戶身份驗證
  • 集線器和 USB wifi 加密狗距離 pi 大約 1 英尺
  • 連接有時會保持 30 秒，有時會保持 4 小時。變化很大。

斷開連接時的系統日誌（抱歉，這有點長。markdown 中沒有隱藏/取消隱藏功能）

Apr 28 02:35:58 raspberrypi wpa_supplicant[4587]: wlan1: SME: Trying to authenticate with 24:c9:a1:36:d7:e8 (SSID='Hyatt' freq=2412 MHz)
Apr 28 02:35:58 raspberrypi rsyslogd-2007: action 'action 18' suspended, next retry is Thu Apr 28 02:36:58 2016 [try http://www.rsyslog.com/e/2007 ]
Apr 28 02:35:58 raspberrypi kernel: [ 3397.175336] wlan1: authenticate with 24:c9:a1:36:d7:e8
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: carrier lost
Apr 28 02:35:58 raspberrypi wpa_supplicant[4587]: wlan1: Trying to associate with 24:c9:a1:36:d7:e8 (SSID='Hyatt' freq=2412 MHz)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.197559] wlan1: send auth to 24:c9:a1:36:d7:e8 (try 1/3)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.198411] cfg80211: Calling CRDA to update world regulatory domain
Apr 28 02:35:58 raspberrypi kernel: [ 3397.200688] wlan1: authenticated
Apr 28 02:35:58 raspberrypi kernel: [ 3397.204852] wlan1: associate with 24:c9:a1:36:d7:e8 (try 1/3)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.208157] wlan1: RX AssocResp from 24:c9:a1:36:d7:e8 (capab=0x421 status=0 aid=3)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212839] brcmfmac: brcmf_cfg80211_reg_notifier: not a ISO3166 code
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212863] cfg80211: World regulatory domain updated:
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212869] cfg80211:  DFS Master region: unset
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212874] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212882] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212889] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212895] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212903] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212911] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212918] cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212924] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.212931] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.213813] cfg80211: Calling CRDA for country: GB
Apr 28 02:35:58 raspberrypi wpa_supplicant[4587]: wlan1: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD
Apr 28 02:35:58 raspberrypi wpa_supplicant[4587]: wlan1: Associated with 24:c9:a1:36:d7:e8
Apr 28 02:35:58 raspberrypi wpa_supplicant[4587]: wlan1: CTRL-EVENT-CONNECTED - Connection to 24:c9:a1:36:d7:e8 completed [id=5 id_str=]
Apr 28 02:35:58 raspberrypi kernel: [ 3397.214789] wlan1: associated
Apr 28 02:35:58 raspberrypi wpa_supplicant[4587]: wlan1: CTRL-EVENT-REGDOM-CHANGE init=USER type=COUNTRY alpha2=GB
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227388] cfg80211: Regulatory domain changed to country: GB
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227406] cfg80211:  DFS Master region: ETSI
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227412] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227420] cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227428] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227435] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227442] cfg80211:   (5490000 KHz - 5710000 KHz @ 160000 KHz), (N/A, 2700 mBm), (0 s)
Apr 28 02:35:58 raspberrypi kernel: [ 3397.227448] cfg80211:   (57000000 KHz - 66000000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: deleting address fe80::53dd:8f07:3be8:9d0a
Apr 28 02:35:58 raspberrypi dnsmasq[2376]: no servers found in /var/run/dnsmasq/resolv.conf, will retry
Apr 28 02:35:58 raspberrypi avahi-daemon[638]: Withdrawing address record for fe80::53dd:8f07:3be8:9d0a on wlan1.
Apr 28 02:35:58 raspberrypi avahi-daemon[638]: Leaving mDNS multicast group on interface wlan1.IPv6 with address fe80::53dd:8f07:3be8:9d0a.
Apr 28 02:35:58 raspberrypi avahi-daemon[638]: Interface wlan1.IPv6 no longer relevant for mDNS.
Apr 28 02:35:58 raspberrypi avahi-daemon[638]: Withdrawing address record for 172.17.187.9 on wlan1.
Apr 28 02:35:58 raspberrypi avahi-daemon[638]: Leaving mDNS multicast group on interface wlan1.IPv4 with address 172.17.187.9.
Apr 28 02:35:58 raspberrypi avahi-daemon[638]: Interface wlan1.IPv4 no longer relevant for mDNS.
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: deleting route to 172.17.0.0/16
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: deleting default route via 172.17.1.1
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: carrier acquired
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: adding address fe80::53dd:8f07:3be8:9d0a
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: IAID b0:20:34:21
Apr 28 02:35:58 raspberrypi dhcpcd[658]: wlan1: rebinding lease of 172.17.187.9
Apr 28 02:35:59 raspberrypi dhcpcd[658]: wlan1: soliciting an IPv6 router
Apr 28 02:35:59 raspberrypi ntpd[873]: Deleting interface #11 wlan1, 172.17.187.9#123, interface stats: received=33, sent=33, dropped=0, active_time=234 secs
Apr 28 02:35:59 raspberrypi ntpd[873]: 204.2.134.162 interface 172.17.187.9 -> (none)
Apr 28 02:35:59 raspberrypi ntpd[873]: 198.144.194.12 interface 172.17.187.9 -> (none)
Apr 28 02:35:59 raspberrypi ntpd[873]: 204.9.54.119 interface 172.17.187.9 -> (none)
Apr 28 02:35:59 raspberrypi ntpd[873]: 45.127.113.2 interface 172.17.187.9 -> (none)
Apr 28 02:35:59 raspberrypi ntpd[873]: Deleting interface #10 wlan1, fe80::53dd:8f07:3be8:9d0a#123, interface stats: received=0, sent=0, dropped=0, active_time=240 secs
Apr 28 02:35:59 raspberrypi ntpd[873]: peers refreshed
Apr 28 02:35:59 raspberrypi avahi-daemon[638]: Joining mDNS multicast group on interface wlan1.IPv6 with address fe80::53dd:8f07:3be8:9d0a.
Apr 28 02:35:59 raspberrypi avahi-daemon[638]: New relevant interface wlan1.IPv6 for mDNS.
Apr 28 02:35:59 raspberrypi avahi-daemon[638]: Registering new address record for fe80::53dd:8f07:3be8:9d0a on wlan1.*.
Apr 28 02:35:59 raspberrypi dhcpcd[658]: wlan1: ipv6nd_sendrsprobe: sendmsg: Operation not permitted
Apr 28 02:36:02 raspberrypi dhcpcd[4979]: sending commands to master dhcpcd process
Apr 28 02:36:02 raspberrypi dhcpcd[658]: control command: /sbin/dhcpcd -k wlan1
Apr 28 02:36:02 raspberrypi dhcpcd[658]: wlan1: removing interface
Apr 28 02:36:02 raspberrypi kernel: [ 3401.226725] wlan1: deauthenticating from 24:c9:a1:36:d7:e8 by local choice (Reason: 3=DEAUTH_LEAVING)
Apr 28 02:36:02 raspberrypi wpa_supplicant[4587]: wlan1: CTRL-EVENT-DISCONNECTED bssid=24:c9:a1:36:d7:e8 reason=3 locally_generated=1
Apr 28 02:36:02 raspberrypi avahi-daemon[638]: Interface wlan1.IPv6 no longer relevant for mDNS.
Apr 28 02:36:02 raspberrypi avahi-daemon[638]: Leaving mDNS multicast group on interface wlan1.IPv6 with address fe80::53dd:8f07:3be8:9d0a.
Apr 28 02:36:02 raspberrypi kernel: [ 3401.313626] cfg80211: Calling CRDA to update world regulatory domain
Apr 28 02:36:02 raspberrypi avahi-daemon[638]: Withdrawing address record for fe80::53dd:8f07:3be8:9d0a on wlan1.
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331043] brcmfmac: brcmf_cfg80211_reg_notifier: not a ISO3166 code
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331067] cfg80211: World regulatory domain updated:
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331075] cfg80211:  DFS Master region: unset
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331080] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331087] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331094] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331100] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331108] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331116] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331122] cfg80211:   (5490000 KHz - 5730000 KHz @ 160000 KHz), (N/A, 2000 mBm), (0 s)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331128] cfg80211:   (5735000 KHz - 5835000 KHz @ 80000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.331136] cfg80211:   (57240000 KHz - 63720000 KHz @ 2160000 KHz), (N/A, 0 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.579305] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
Apr 28 02:36:02 raspberrypi kernel: [ 3401.579353] cfg80211: Calling CRDA for country: GB
Apr 28 02:36:02 raspberrypi wpa_supplicant[4587]: wlan1: CTRL-EVENT-REGDOM-CHANGE init=USER type=COUNTRY alpha2=GB
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595533] cfg80211: Regulatory domain changed to country: GB
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595548] cfg80211:  DFS Master region: ETSI
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595554] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595562] cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595570] cfg80211:   (5170000 KHz - 5250000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595577] cfg80211:   (5250000 KHz - 5330000 KHz @ 80000 KHz, 160000 KHz AUTO), (N/A, 2000 mBm), (0 s)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595584] cfg80211:   (5490000 KHz - 5710000 KHz @ 160000 KHz), (N/A, 2700 mBm), (0 s)
Apr 28 02:36:02 raspberrypi kernel: [ 3401.595590] cfg80211:   (57000000 KHz - 66000000 KHz @ 2160000 KHz), (N/A, 4000 mBm), (N/A)
Apr 28 02:36:02 raspberrypi wpa_supplicant[4587]: wlan1: CTRL-EVENT-TERMINATING
Apr 28 02:36:12 raspberrypi dhcpcd[5086]: sending commands to master dhcpcd process
Apr 28 02:36:12 raspberrypi dhcpcd[658]: control command: /sbin/dhcpcd -k eth0
Apr 28 02:36:12 raspberrypi kernel: [ 3411.753638] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
Apr 28 02:36:12 raspberrypi kernel: [ 3411.825436] smsc95xx 1-1.1:1.0 eth0: hardware isn't capable of remote wakeup
Apr 28 02:36:12 raspberrypi kernel: [ 3411.825930] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
Apr 28 02:36:13 raspberrypi kernel: [ 3412.149174] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
Apr 28 02:39:32 raspberrypi hostapd: wlan0: STA 16:39:db:60:cb:bf WPA: group key handshake completed (RSN)
Apr 28 02:39:32 raspberrypi rsyslogd-2007: action 'action 18' suspended, next retry is Thu Apr 28 02:40:32 2016 [try http://www.rsyslog.com/e/2007 ]
Apr 28 02:39:32 raspberrypi hostapd: wlan0: STA a4:77:33:51:31:9e WPA: group key handshake completed (RSN)
Apr 28 02:49:32 raspberrypi hostapd: wlan0: STA a4:77:33:51:31:9e WPA: group key handshake completed (RSN)
Apr 28 02:49:32 raspberrypi hostapd: wlan0: STA 16:39:db:60:cb:bf WPA: group key handshake completed (RSN)
Apr 28 02:49:32 raspberrypi rsyslogd-2007: action 'action 18' suspended, next retry is Thu Apr 28 02:51:02 2016 [try http://www.rsyslog.com/e/2007 ]
Apr 28 02:59:32 raspberrypi hostapd: wlan0: STA 16:39:db:60:cb:bf WPA: group key handshake completed (RSN)
Apr 28 02:59:32 raspberrypi hostapd: wlan0: STA a4:77:33:51:31:9e WPA: group key handshake completed (RSN)
Apr 28 02:59:32 raspberrypi rsyslogd-2007: action 'action 18' suspended, next retry is Thu Apr 28 03:01:02 2016 [try http://www.rsyslog.com/e/2007 ]
Apr 28 03:08:34 raspberrypi rsyslogd-2007: action 'action 18' suspended, next retry is Thu Apr 28 03:10:04 2016 [try http://www.rsyslog.com/e/2007 ]
Apr 28 03:08:34 raspberrypi systemd[1]: Starting Session c3 of user pi.
Apr 28 03:08:34 raspberrypi systemd[1]: Started Session c3 of user pi.
Apr 28 03:09:32 raspberrypi hostapd: wlan0: STA 16:39:db:60:cb:bf WPA: group key handshake completed (RSN)
Apr 28 03:09:32 raspberrypi hostapd: wlan0: STA a4:77:33:51:31:9e WPA: group key handshake completed (RSN)
Apr 28 03:10:29 raspberrypi rsyslogd-2007: action 'action 18' suspended, next retry is Thu Apr 28 03:11:59 2016 [try http://www.rsyslog.com/e/2007 ]
Apr 28 03:10:29 raspberrypi systemd[1]: Starting Session c4 of user pi.
Apr 28 03:10:29 raspberrypi systemd[1]: Started Session c4 of user pi.
  • wlan1: deauthenticating ... by local choice (Reason: 3=DEAUTH_LEAVING)我感興趣（看日誌的底部 3/4）。
  • CTRL-EVENT-TERMINATING我也很感興趣。

WPA 請求者調試日誌

似乎AP (8c:0c:90:01:12:88) 正在生成deauth：

CTRL_IFACE: GET_NETWORK id=0 name='disabled'
nl80211: Drv Event 20 (NL80211_CMD_DEL_STATION) received for wlan1
nl80211: Delete station 8c:0c:90:01:12:88
nl80211: Drv Event 39 (NL80211_CMD_DEAUTHENTICATE) received for wlan1
nl80211: Deauthenticate event
wlan1: Event DEAUTH (12) received       <-----
wlan1: Deauthentication notification    <-----
wlan1:  * reason 3 (locally generated)  <-----
wlan1:  * address 8c:0c:90:01:12:88     <-----
Deauthentication frame IE(s) - hexdump(len=0): [NULL]
wlan1: CTRL-EVENT-DISCONNECTED bssid=8c:0c:90:01:12:88 reason=3 locally_generated=1
CTRL_IFACE monitor sent successfully to /tmp/libdhcpcd-wpa-7751.50\x00
CTRL_IFACE monitor sent successfully to /tmp/wpa_ctrl_11606-5471\x00
wlan1: Auto connect enabled: try to reconnect (wps=0/0 wpa_state=9)
wlan1: Setting scan request: 0.100000 sec
Added BSSID 8c:0c:90:01:12:88 into blacklist
wlan1: Another BSS in this ESS has been seen; try it next
BSSID 8c:0c:90:01:12:88 blacklist count incremented to 2

解決方案

我安裝network-manager並network-manager-gnome把我的 wlan1 卡從/etc/network/interfaces. 該卡保持穩定連接超過 20 小時，只有在我關閉樹莓派時才斷開連接。WPA Gui 說“無法從 wpa_supplicant 獲取狀態”，但該卡仍然可以使用。

看起來nm-applet權限有問題。我必須sudo pkill nm-applet然後sudo nm-applet才能network-manager-gnome連接到無線。我將不得不解決這些錯誤。

解決方案

我從. network-manager_ 該卡保持穩定連接超過 20 小時，只有在我關閉樹莓派時才斷開連接。WPA Gui 說“無法從 wpa_supplicant 獲取狀態”，但該卡仍然可以使用。network-manager-gnome``/etc/network/interfaces

看起來nm-applet權限有問題。我必須sudo pkill nm-applet然後sudo nm-applet才能network-manager-gnome連接到無線。我將不得不解決這些錯誤。

/etc/modprobe.d/rt2800usb.conf使用以下行創建一個新文件：

options rt2800usb nohwcrypt=1

重啟

或將預設驅動程序列入黑名單並使用nl80211驅動程序連接 wpa_supplicant：

nano /etc/modprobe.d/blacklist.conf

添加以下行：

blacklist rt2800usb
blacklist rt2x00lib
blacklist rt2x00usb

通過命令行連接：

wpa_supplicant -Dnl80211 -iwlan0 -c/etc/wpa_supplicant.conf

如果您需要 GUI，請安裝 WICD，選擇您的界面，然後轉到首選項並選擇nl80211

引用自：https://unix.stackexchange.com/questions/279651

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