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在Deepin 20.2系统中笔记本电脑开合屏幕（即开启或合上笔记本电脑屏幕）都可能导致wifi被禁用，这时只能重新手工启用来临时解决，这可能是系统的BUG或者笔记本电脑相关硬件的问题，需要相应的补丁才行。
问题由来 1、在“电源管理”中将“使用电源-笔记本盒盖时”设定为“无任何操作”，如下图所示：
2、确保wifi处于启用状态，连接电源的状态下，合上笔记本电脑屏幕，稍后打开。 以上两个步骤发生的结果是：wifi处于禁用状态。
更进一步说明 这里是设置成合盖不待机，wifi才会被禁用，设置成合盖待机就没问题了。
临时处理方法 可以重新手工启用。 相关参考：在Deepin 20.2系统中WiFi无法正常工作，WiFi经常断流的处理。
附：以上过程中的系统日志如下 duanyao-laptop-c com.deepin.daemon.Power[8692]: touchpad.go:365: remove error: remove /tmp/syndaemon.pid: no such file or directory duanyao-laptop-c daemon/inputdevices[8433]: touchpad.go:361: [stopSyndaemon] failed: syndaemon: 未找到进程 exit status 1 duanyao-laptop-c daemon/inputdevices[8433]: touchpad.go:365: remove error: remove /tmp/syndaemon.pid: no such file or directory duanyao-laptop-c bluetoothd[7292]: Unable to get Headset Voice gateway SDP record: Host is down duanyao-laptop-c daemon/bluetooth[8433]: device.go:591: device [00:11:C2:08:F6:79] G18 connect failed: Host is down duanyao-laptop-c com.deepin.daemon.Power[8692]: device.go:591: device [00:11:C2:08:F6:79] G18 connect failed: Host is down duanyao-laptop-c earlyoom[761]: mem avail: 13783 of 15901 MiB (86 %), swap free: 2399 of 2399 MiB (100 %) duanyao-laptop-c systemd[1]: systemd-timedated.service: Succeeded. duanyao-laptop-c sudo[10908]: duanyao : TTY=pts/0 ; PWD=/home/duanyao ; USER=root ; COMMAND=/usr/bin/journalctl -f duanyao-laptop-c sudo[10908]: pam_unix(sudo:session): session opened for user root by (uid=0) duanyao-laptop-c wpa_supplicant[810]: wlo1: CTRL-EVENT-SIGNAL-CHANGE above=1 signal=-51 noise=9999 txrate=72200 duanyao-laptop-c kernel: atkbd serio0: Unknown key pressed (translated set 2, code 0xd8 on isa0060/serio0). duanyao-laptop-c kernel: atkbd serio0: Use 'setkeycodes e058 ' to make it known. duanyao-laptop-c kernel: atkbd serio0: Unknown key released (translated set 2, code 0xd8 on isa0060/serio0). duanyao-laptop-c kernel: atkbd serio0: Use 'setkeycodes e058 ' to make it known. duanyao-laptop-c dde-system-daemon[791]: lid_switch.go:37: Lid Closed duanyao-laptop-c daemon/system/power[791]: lid_switch.go:37: Lid Closed duanyao-laptop-c systemd-logind[849]: Lid closed. duanyao-laptop-c com.deepin.daemon.Power[8692]: lid_switch.go:64: Lid closed duanyao-laptop-c daemon/session/power[8433]: lid_switch.go:64: Lid closed duanyao-laptop-c systemd[1]: Starting Laptop Mode Tools - Battery Polling Service... duanyao-laptop-c systemd[1]: Reloading Laptop Mode Tools. duanyao-laptop-c systemd[1]: lmt-poll.service: Succeeded. duanyao-laptop-c systemd[1]: Started Laptop Mode Tools - Battery Polling Service. duanyao-laptop-c laptop_mode[12395]: Laptop mode duanyao-laptop-c laptop_mode[12395]: disabled, not active [unchanged] duanyao-laptop-c systemd[1]: Reloaded Laptop Mode Tools. duanyao-laptop-c deepin-devicemanager-server[1002]: "[GRABPOINT] POINT-01 MainJob::updateAllDevice() time=1499ms" duanyao-laptop-c earlyoom[761]: mem avail: 13777 of 15901 MiB (86 %), swap free: 2399 of 2399 MiB (100 %) duanyao-laptop-c kernel: wlo1: deauthenticating from 06:69:6c:d6:cb:9b by local choice (Reason: 3=DEAUTH_LEAVING) duanyao-laptop-c dde-system-daemon[791]: lid_switch.go:43: Lid Opened duanyao-laptop-c daemon/system/power[791]: lid_switch.go:43: Lid Opened duanyao-laptop-c systemd-logind[849]: Lid opened. duanyao-laptop-c com.deepin.daemon.Power[8692]: lid_switch.go:94: Lid opened duanyao-laptop-c daemon/session/power[8433]: lid_switch.go:94: Lid opened duanyao-laptop-c com.deepin.daemon.Power[8692]: power_save_plan.go:668: HandleIdleOff duanyao-laptop-c com.deepin.daemon.Power[8692]: utils.go:77: DPMS On duanyao-laptop-c daemon/session/power[8433]: power_save_plan.go:668: HandleIdleOff duanyao-laptop-c daemon/session/power[8433]: utils.go:77: DPMS On duanyao-laptop-c wpa_supplicant[810]: wlo1: CTRL-EVENT-DISCONNECTED bssid=06:69:6c:d6:cb:9b reason=3 locally_generated=1 duanyao-laptop-c charon[6979]: 09[KNL] interface wlo1 deactivated duanyao-laptop-c charon[6979]: 03[KNL] fe80::5e6c:9766:6d37:9b47 disappeared from wlo1 duanyao-laptop-c avahi-daemon[815]: Interface wlo1.IPv6 no longer relevant for mDNS. duanyao-laptop-c avahi-daemon[815]: Leaving mDNS multicast group on interface wlo1.IPv6 with address fe80::5e6c:9766:6d37:9b47. duanyao-laptop-c dhclient[30252]: receive_packet failed on wlo1: Network is down duanyao-laptop-c wpa_supplicant[810]: dbus: wpa_dbus_property_changed: no property SessionLength in object /fi/w1/wpa_supplicant1/Interfaces/3 duanyao-laptop-c wpa_supplicant[810]: rfkill: WLAN soft blocked duanyao-laptop-c wpa_supplicant[810]: rfkill: WLAN soft blocked duanyao-laptop-c wpa_supplicant[810]: nl80211: Failed to open /proc/sys/net/ipv4/conf/p2p-dev-wlo1/drop_unicast_in_l2_multicast: No such file or directory duanyao-laptop-c wpa_supplicant[810]: nl80211: Failed to set IPv4 unicast in multicast filter duanyao-laptop-c avahi-daemon[815]: Interface wlo1.IPv4 no longer relevant for mDNS. duanyao-laptop-c avahi-daemon[815]: Leaving mDNS multicast group on interface wlo1.IPv4 with address 192.168.30.213. duanyao-laptop-c systemd[1]: Starting Load/Save RF Kill Switch Status... duanyao-laptop-c avahi-daemon[815]: Withdrawing address record for fe80::5e6c:9766:6d37:9b47 on wlo1. duanyao-laptop-c avahi-daemon[815]: Withdrawing address record for 192.168.30.213 on wlo1. duanyao-laptop-c NetworkManager[803]: [1619492387.5233] manager: rfkill: WiFi hardware radio set disabled duanyao-laptop-c NetworkManager[803]: [1619492387.5234] device (wlo1): state change: activated -> unavailable (reason 'none', sys-iface-state: 'managed') duanyao-laptop-c systemd[1]: Started Load/Save RF Kill Switch Status. duanyao-laptop-c NetworkManager[803]: [1619492387.5562] dhcp4 (wlo1): canceled DHCP transaction, DHCP client pid 30252 duanyao-laptop-c NetworkManager[803]: [1619492387.5562] dhcp4 (wlo1): state changed bound -> done duanyao-laptop-c charon[6979]: 15[KNL] 192.168.30.213 disappeared from wlo1 duanyao-laptop-c NetworkManager[803]: [1619492387.5637] audit: op="radio-control" arg="wireless-enabled" pid=791 uid=0 result="success" duanyao-laptop-c NetworkManager[803]: [1619492387.5640] manager: rfkill: WiFi now disabled by radio killswitch duanyao-laptop-c wpa_supplicant[810]: nl80211: Failed to open /proc/sys/net/ipv4/conf/p2p-dev-wlo1/drop_unicast_in_l2_multicast: No such file or directory duanyao-laptop-c wpa_supplicant[810]: nl80211: Failed to set IPv4 unicast in multicast filter duanyao-laptop-c wpa_supplicant[810]: nl80211: Failed to open /proc/sys/net/ipv4/conf/p2p-dev-wlo1/drop_unicast_in_l2_multicast: No such file or directory duanyao-laptop-c wpa_supplicant[810]: nl80211: Failed to set IPv4 unicast in multicast filter duanyao-laptop-c wpa_supplicant[810]: nl80211: deinit ifname=p2p-dev-wlo1 disabled_11b_rates=0 duanyao-laptop-c NetworkManager[803]: [1619492387.5811] audit: op="device-autoconnect" arg="autoconnect" pid=791 uid=0 result="success" duanyao-laptop-c com.deepin.daemon.Power[8692]: state_handler.go:279: device disconnected, type wireless, 100 => 20, reason[0] 设备状态改变 duanyao-laptop-c daemon/network[8433]: state_handler.go:279: device disconnected, type wireless, 100 => 20, reason[0] 设备状态改变 duanyao-laptop-c org.freedesktop.Notifications[8692]: 2021-04-27, 10:59:47.603 [Warning] [ 0] Length 2 runs past end of data duanyao-laptop-c org.freedesktop.Notifications[8692]: 2021-04-27, 10:59:47.606 [Warning] [ 0] Length 2 runs past end of data duanyao-laptop-c org.freedesktop.Notifications[8692]: 2021-04-27, 10:59:47.607 [Warning] [ 0] Length 2 runs past end of data duanyao-laptop-c wpa_supplicant[810]: nl80211: deinit ifname=wlo1 disabled_11b_rates=0 duanyao-laptop-c deepin-devicemanager-server[1002]: "[GRABPOINT] POINT-01 MainJob::updateAllDevice() time=1104ms" duanyao-laptop-c deepin-deepinid-daemon[9634]: [WAR] manager.go:218: skip doSync duanyao-laptop-c systemd[1]: systemd-rfkill.service: Succeeded. duanyao-laptop-c NetworkManager[803]: [1619492398.7950] manager: NetworkManager state is now CONNECTED_LOCAL
网友反馈：其它的系统可能发生类似情况 在Windows 10系统中也有这个问题，合盖休眠再唤醒，会发生： 1、wifi断开，点击任务栏右下角wifi网络图标无任何反映。 2、点击音量图标无反应，重新休眠再唤醒又恢复正常，好象是Windows 10升级版本到20H2之后开始的，重新安装系统也不行，同时笔记本售后给我指点也不行，但是在Deepin 20系统中就没有这个问题。
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