It's the same issue happens on Dell XPS 13 9300[1], the solution[2] has been proposed to kernel mailing list by Acelan. It's expected to be land in the next SRU cycle (05-Apr).
[1] Bug #1865962 “Dell XPS 13 9300 Intel 1650S wifi [34f0:1651] fail...” : Bugs : linux package : Ubuntu - https://bugs.launchpad.net/bugs/1865962 [2] [PATCH 0/6][SRU][Focal] Dell XPS 13 9300 Intel 1650S wifi [34f0:1651] fails to load firmware - https://lists.ubuntu.com/archives/kernel-team/2020-March/107993.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1859287 Title: iwlwifi broken for Killer Wi-Fi 6 AX1650i with 5.4/20.04 Status in linux package in Ubuntu: Confirmed Bug description: Hi there, Laptop: Dell XPS 13 7390 2-in-1 Built-in wireless: Killer Wi-Fi 6 AX1650i 160MHz iwlwifi worked fine with 19.10 but breaks when upgrading to 20.04. Firmware crashes after loading and interface doesn't show up. This is with: linux-image-5.4.0-9-generic 5.4.0-9.12 linux-firmware 1.184 I've noticed the driver was trying to load a more recent firmware: Direct firmware load for iwlwifi-Qu-b0-hr-b0-50.ucode failed with error -2 I've downloaded this file from upstream iwlwifi firmware git and tried unloading/reloading iwlwifi. Driver crashes as well, but with a different error code. Best, - LM ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-5.4.0-9-generic 5.4.0-9.12 ProcVersionSignature: Ubuntu 5.4.0-9.12-generic 5.4.3 Uname: Linux 5.4.0-9-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu15 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: lool 1579 F.... pulseaudio /dev/snd/pcmC0D0p: lool 1579 F...m pulseaudio CurrentDesktop: ubuntu:GNOME Date: Sat Jan 11 15:02:08 2020 InstallationDate: Installed on 2019-12-02 (39 days ago) InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017) MachineType: Dell Inc. XPS 13 7390 2-in-1 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-9-generic root=UUID=854f3bc2-da3a-4a3c-82a1-6b04a932bb29 ro pcie_aspm=off plymouth.force-scale=3 quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-9-generic N/A linux-backports-modules-5.4.0-9-generic N/A linux-firmware 1.184 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no SourcePackage: linux UpgradeStatus: Upgraded to focal on 2020-01-11 (0 days ago) dmi.bios.date: 11/10/2019 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.1.3 dmi.board.name: 06CDVY dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 31 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.1.3:bd11/10/2019:svnDellInc.:pnXPS1373902-in-1:pvr:rvnDellInc.:rn06CDVY:rvrA00:cvnDellInc.:ct31:cvr: dmi.product.family: XPS dmi.product.name: XPS 13 7390 2-in-1 dmi.product.sku: 08B0 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1859287/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
