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0leg
Asked: 2020-01-18 07:16:20 +0800 CST

Ubuntu 19.10：重新安装 bcmwl-kernel-source 后重试密码

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有一个 Ubuntu 19.10，所有最新更新都是最新的。

问题

Wifi 无法连接到安全点。密码是正确的，但弹出窗口会一次又一次地重新询问密码。

问题开始时

无线网络实际上工作得很好。但随后尝试运行：（sudo apt-get install --reinstall bcmwl-kernel-source根据https://wiki.ubuntu.com/DiscoDingo/ReleaseNotes#Known_issues）。

之后 - 无法连接。

细节

出于某种原因，无线显示为Ethernet interface。

lshw -class network
[sudo] password for obiol: 
  *-network                 
       description: Ethernet interface
       product: Wireless 7265
       vendor: Intel Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: wlp2s0
       version: 59
       serial: 7c:b0:c2:14:71:ac
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical
       configuration: broadcast=yes driver=iwlwifi driverversion=5.3.0-26-generic firmware=29.62a39462.0 latency=0 link=no multicast=yes
       resources: irq:140 memory:df300000-df301fff

错误：

an 17 16:49:12 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0
Jan 17 16:49:28 n552vw wpa_supplicant[1164]: nl80211: kernel reports: NLA_F_NESTED is missing
Jan 17 16:49:28 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0
Jan 17 16:49:37 n552vw wpa_supplicant[1164]: nl80211: kernel reports: NLA_F_NESTED is missing
Jan 17 16:49:37 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0
Jan 17 16:49:52 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0
Jan 17 16:53:58 n552vw wpa_supplicant[1164]: nl80211: kernel reports: NLA_F_NESTED is missing
Jan 17 16:53:58 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0
Jan 17 16:58:51 n552vw wpa_supplicant[1164]: nl80211: kernel reports: NLA_F_NESTED is missing
Jan 17 16:58:51 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0
Jan 17 16:58:55 n552vw wpa_supplicant[1164]: nl80211: kernel reports: NLA_F_NESTED is missing
Jan 17 16:58:55 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0
Jan 17 16:59:00 n552vw wpa_supplicant[1164]: nl80211: kernel reports: NLA_F_NESTED is missing
Jan 17 16:59:00 n552vw wpa_supplicant[1164]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/0

任何想法如何解决这个问题？

networking kernel connection iwlwifi

1 个回答

  1. Best Answer

    似乎存在与 Wifi 模块和最近的内核相关的错误。这是与它相关的步骤之一：https ://bugs.launchpad.net/ubuntu/+source/backport-iwlwifi-dkms/+bug/1849891 。

    解决方案

    就我而言，只需删除 iwlwifi 反向端口即可。sudo apt-get remove backport-iwlwifi-dkms并重新启动解决了这个问题。能够再次连接到 Wifi。

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