我运行的是 Ubuntu 19.04，最近无法连接到 WiFi。启动时它会检测可用网络，但随后会显示无可用网络。我目前正在使用 Windows 10 双启动，没有这样的问题，所以我不认为这是 WiFi 网络本身的问题。
当问题首次出现时，我通常可以通过启动 Windows，然后重新启动并使用 Ubuntu 来解决它，但这似乎不再起作用了。
非常感谢任何帮助或指点。
$ iwconfig
docker0 no wireless extensions.
enp0s31f6 no wireless extensions.
wlp2s0 IEEE 802.11 ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
lo no wireless extensions.
bnep0 no wireless extensions.
$ dmesg | grep wlp2s0
[ 3.659184] iwlwifi 0000:02:00.0 wlp2s0: renamed from wlan0
[ 8.550927] wlp2s0: authenticate with 38:17:c3:8b:c2:81
[ 8.564258] wlp2s0: send auth to 38:17:c3:8b:c2:81 (try 1/3)
[ 8.571202] wlp2s0: authenticated
[ 8.575167] wlp2s0: associate with 38:17:c3:8b:c2:81 (try 1/3)
[ 8.577793] wlp2s0: RX AssocResp from 38:17:c3:8b:c2:81 (capab=0x1431 status=0 aid=1)
[ 8.579689] wlp2s0: associated
[ 8.612308] wlp2s0: Limiting TX power to 36 (36 - 0) dBm as advertised by 38:17:c3:8b:c2:81
[ 8.831503] IPv6: ADDRCONF(NETDEV_CHANGE): wlp2s0: link becomes ready
[ 19.089777] p2p-dev-wlp2s0: Failed check-sdata-in-driver check, flags: 0x0
[ 19.089931] wlp2s0: deauthenticating from 38:17:c3:8b:c2:81 by local choice (Reason: 3=DEAUTH_LEAVING)
[ 19.089934] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.090299] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.090516] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.090706] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.090941] wlp2s0: HW problem - can not stop rx aggregation for 38:17:c3:8b:c2:81 tid 0
[ 19.090954] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.091597] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.091916] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.092131] wlp2s0: failed to remove key (0, 38:17:c3:8b:c2:81) from hardware (-5)
[ 19.092153] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.092526] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.092884] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.093104] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.093285] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.093462] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.093639] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.093816] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.093992] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.094181] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.094838] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
[ 19.095179] wlp2s0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-5)
[ 19.095427] wlp2s0: Failed check-sdata-in-driver check, flags: 0x4
$ sudo rfkill list && lspci -knn | grep Net -A3
0: tpacpi_bluetooth_sw: Bluetooth
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
2: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
02:00.0 Network controller [0280]: Intel Corporation Wireless 8265 / 8275 [8086:24fd] (rev 78)
Subsystem: Intel Corporation Dual Band Wireless-AC 8265 [8086:0010]
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
我从装有 18.04.3 的 USB 启动，遇到了同样的问题。所有无线网络都短暂可见，然后过了一小段时间（15-20 秒）后就消失了，网络管理器说没有可见的网络。