Wi-Fi hidden and disabled after hibernate + reboot

Support Network
1

Hi there, after booting from hibernation the Wi-Fi failed to start but still showed as an option in the Networks menu. It was already disconnecting every now and then in the previous session but hadn’t crashed. After a reboot it’s completely gone even from the menu. These are some things I tried in terminal:

Not sure what to do next :frowning:

[admin@admin-pc ~]$ systemctl status NetworkManager
● NetworkManager.service - Network Manager
     Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: disabled)
    Drop-In: /usr/lib/systemd/system/NetworkManager.service.d
             └─NetworkManager-ovs.conf
     Active: active (running) since Sun 2020-08-16 16:54:01 EEST; 1min 10s ago
       Docs: man:NetworkManager(8)
   Main PID: 607 (NetworkManager)
      Tasks: 3 (limit: 18497)
     Memory: 14.5M
     CGroup: /system.slice/NetworkManager.service
             └─607 /usr/bin/NetworkManager --no-daemon

Aug 16 16:54:02 admin-pc NetworkManager[607]: <info>  [1597586042.2686] settings: (enp0s31f6): created default wired connection 'Wired connection 1'
Aug 16 16:54:02 admin-pc NetworkManager[607]: <info>  [1597586042.2715] device (enp0s31f6): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external')
Aug 16 16:54:02 admin-pc NetworkManager[607]: <info>  [1597586042.4740] ovsdb: Could not connect: No such file or directory
Aug 16 16:54:02 admin-pc NetworkManager[607]: <info>  [1597586042.5103] modem-manager: ModemManager available
Aug 16 16:54:08 admin-pc NetworkManager[607]: <info>  [1597586048.4697] manager: startup complete
Aug 16 16:54:15 admin-pc NetworkManager[607]: <info>  [1597586055.2903] agent-manager: agent[8e3817f6f4b4e504,:1.35/org.kde.plasma.networkmanagement/1000]: agent registered
Aug 16 16:54:33 admin-pc NetworkManager[607]: <info>  [1597586073.6668] device (cdc-wdm0): state change: unmanaged -> unavailable (reason 'none', sys-iface-state: 'external')
Aug 16 16:54:33 admin-pc NetworkManager[607]: <info>  [1597586073.6678] device (cdc-wdm0): modem state 'failed'
Aug 16 16:54:33 admin-pc NetworkManager[607]: <info>  [1597586073.6689] manager: (cdc-wdm0): new Broadband device (/org/freedesktop/NetworkManager/Devices/3)
Aug 16 16:54:33 admin-pc NetworkManager[607]: <info>  [1597586073.6711] modem-broadband[cdc-wdm0]: failed to retrieve SIM object: No SIM object available
[admin@admin-pc ~]$ lshw -C network
bash: lshw: command not found
[admin@admin-pc ~]$ sudo iwlist wlan0 scanning
[sudo] password for admin: 
sudo: iwlist: command not found
[admin@admin-pc ~]$ lspci -k
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Host Bridge/DRAM Registers (rev 08)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: skl_uncore
00:02.0 VGA compatible controller: Intel Corporation Skylake GT2 [HD Graphics 520] (rev 07)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: i915
        Kernel modules: i915
00:08.0 System peripheral: Intel Corporation Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th/8th Gen Core Processor Gaussian Mixture Model
        Subsystem: Lenovo Device 2238
00:13.0 Non-VGA unclassified device: Intel Corporation Sunrise Point-LP Integrated Sensor Hub (rev 21)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: intel_ish_ipc
        Kernel modules: intel_ish_ipc
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: intel_pch_thermal
        Kernel modules: intel_pch_thermal
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: mei_me
        Kernel modules: mei_me
00:17.0 SATA controller: Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode] (rev 21)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: ahci
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #1 (rev f1)
        Kernel driver in use: pcieport
00:1c.2 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #3 (rev f1)
        Kernel driver in use: pcieport
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-LP LPC Controller (rev 21)
        Subsystem: Lenovo Device 2238
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
        Subsystem: Lenovo Device 2238
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel, snd_soc_skl
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection I219-LM (rev 21)
        Subsystem: Lenovo Device 2233
        Kernel driver in use: e1000e
        Kernel modules: e1000e
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
        Subsystem: Lenovo Device 2238
        Kernel driver in use: rtsx_pci
        Kernel modules: rtsx_pci
04:00.0 Network controller: Intel Corporation Wireless 8260 (rev 3a)
        Subsystem: Intel Corporation Device 0130
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi
[admin@admin-pc ~]$ sudo iwlwifi  wlan0 scanning
sudo: iwlwifi: command not found
[admin@admin-pc ~]$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp0s31f6: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc fq_codel state DOWN mode DEFAULT group default qlen 1000
    link/ether 54:ee:75:9e:58:3d brd ff:ff:ff:ff:ff:ff
3: wwp0s20f0u2i12: <BROADCAST,MULTICAST,NOARP> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000
    link/ether d6:2b:8f:39:b1:32 brd ff:ff:ff:ff:ff:ff
[admin@admin-pc ~]$ ip link set wwp0s20f0u2i12 up
RTNETLINK answers: Operation not permitted
[admin@admin-pc ~]$ sudo ip link set wwp0s20f0u2i12 up
[admin@admin-pc ~]$ dmesg | grep wwp0s20f0u2i12
dmesg: read kernel buffer failed: Operation not permitted
[admin@admin-pc ~]$ sudo dmesg | grep wwp0s20f0u2i12
[    5.890198] cdc_mbim 1-2:1.12 wwp0s20f0u2i12: renamed from wwan0
[admin@admin-pc ~]$ sudo dmesg | grep wwan0
[    5.873680] cdc_mbim 1-2:1.12 wwan0: register 'cdc_mbim' at usb-0000:00:14.0-2, CDC MBIM, f6:e3:3c:c0:8b:f8
[    5.890198] cdc_mbim 1-2:1.12 wwp0s20f0u2i12: renamed from wwan0
[admin@admin-pc ~]$ ip link set wwan0 up
Cannot find device "wwan0"
2

Btw here is output for inxi - Fxza

Network:   Device-1: Intel Ethernet I219-LM vendor: Lenovo driver: e1000e v: 3.2.6-k port: efa0 bus ID: 00:1f.6 
           IF: enp0s31f6 state: down mac: <filter> 
           Device-2: Intel Wireless 8260 driver: iwlwifi v: kernel port: efa0 bus ID: 04:00.0 
           IF-ID-1: wwp0s20f0u2i12 state: unknown mac: <filter>
3

After 5 or so reboots it finally fixed itself somehow. :slight_smile:

4

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