On Mon, Feb 24, 2020 at 4:27 PM Samuel Sieb <samuel@sieb.net> wrote:
On 2/24/20 1:02 PM, Mark Bidewell wrote:
> Sorry if this is the wrong list for this, but since this refers to
> Fedora 32 I figured I would start here. I updated to the Fedora 32
> Branched release and my Wifi no longer enables on the 5.6 RC kernel. 
> lspci still shows the wireless card by the is no wifi section in Gnome
> settings and ip addr show does not show the card.  Leftover kernels from
> F31 still work fine with Wifi.  My card is an Intel Wireless AC 9260
>
> Any suggestions on how to debug?

Check the journal for messages about it.  Run "sudo journalctl -b" to
see the logs from the current boot.
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Looks like an issue with firmware:

Feb 24 20:32:51 precision7530-lan kernel: Intel(R) Wireless WiFi driver for Linux
Feb 24 20:32:51 precision7530-lan kernel: Copyright(c) 2003- 2015 Intel Corporation
Feb 24 20:32:51 precision7530-lan kernel: mc: Linux media interface: v0.10
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: enabling device (0000 -> 0002)
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)39.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)38.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)37.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)36.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)35.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)34.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)33.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)32.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)31.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)30.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)29.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)28.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)27.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)26.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)25.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)24.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)23.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)22.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)21.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)20.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)19.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)18.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)17.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)16.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)15.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)14.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)13.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)12.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)11.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)10.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)9.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)8.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)7.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)6.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)5.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)4.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)3.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)2.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)1.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: Direct firmware load for (null)0.ucode failed with error -2
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: no suitable firmware found!
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: minimum version required: (null)0
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: maximum version supported: (null)39
Feb 24 20:32:51 precision7530-lan kernel: iwlwifi 0000:6e:00.0: check git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git

--
Mark Bidewell
http://www.linkedin.com/in/markbidewell