Cannot detect wireless driver intel ac wireless 9560 [logs included]

Currently using Ubuntu 18.04, and my wireless driver is not being detected.

I've included a wireless diagnosis log.

$ dmesg | grep iwl
[    6.212724] Loading modules backported from iwlwifi
[    6.212724] iwlwifi-stack-public:master:6988:0d8892f2
[    6.224583] iwlwifi 0000:00:14.3: enabling device (0000 -> 0002)
[    6.229811] iwlwifi 0000:00:14.3: Direct firmware load for iwl-dbg-cfg.ini failed with error -2
[    6.230540] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-9000-pu-b0-jf-b0-39.ucode failed with error -2
[    6.230547] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-9000-pu-b0-jf-b0-38.ucode failed with error -2
[    6.230552] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-9000-pu-b0-jf-b0-37.ucode failed with error -2
[    6.230557] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-9000-pu-b0-jf-b0-36.ucode failed with error -2
[    6.230562] iwlwifi 0000:00:14.3: Direct firmware load for iwlwifi-9000-pu-b0-jf-b0-35.ucode failed with error -2
[    6.236670] iwlwifi 0000:00:14.3: loaded firmware version 34.0.0 op_mode iwlmvm
[    6.248314] iwlwifi 0000:00:14.3: Detected Intel(R) Dual Band Wireless AC 9560, REV=0x318
[    7.264081] iwlwifi 0000:00:14.3: SecBoot CPU1 Status: 0x3, CPU2 Status: 0x2477
[    7.264084] iwlwifi 0000:00:14.3: Failed to start INIT ucode: -110
[    7.276165] iwlwifi 0000:00:14.3: Failed to run INIT ucode: -110

sudo modprobe iwlwifi returns no output.

Solution 1:

I noticed this morning that Update Manager installed a later version of the package linux-firmware. I suggest that you obtain a temporary internet connection by ethernet, tethered or whatever means possible and open a terminal and do:

sudo apt update
sudo apt upgrade

I suspect that linux-firmware will be upgraded. After the upgrade, my firmware files include:

iwlwifi-9000-pu-b0-jf-b0-33.ucode
iwlwifi-9000-pu-b0-jf-b0-34.ucode
iwlwifi-9000-pu-b0-jf-b0-38.ucode

Reboot so that -38 loads instead of -34 as before. Check the log:

dmesg | grep iwl

Is the alarming message gone?

iwlwifi 0000:00:14.3: Failed to start INIT ucode: -110

Your wireless should be working now.

Solution 2:

Someone I know had her Intel AC Wireless 9560 stop working randomly during the day (Ubuntu 18.04.2). After investigating the dmesg output, checking out the NetworkManager service, reinstalling linux-firmware, rebooting, etc., we tried loading up Windows 10 on the second partition. Even Windows 10 could not find the wireless.

I've seen a few forums mentioning this particular Intel wireless card model. While this may be unhelpful, it's possible your card is broken; you may want to invest in a usb wifi or use ethernet and see if the card can be replaced (or do it yourself) [with another model].

She updated the BIOS and it started working again.