"sudo poweroff" did it for me / alternatively press hardware-power-button for 5-10 sec until lights go out. Disabling and again Enabling Wifi in BIOS might also help.
-- 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/1950515 Title: WiFi Killer AX500s DBS stopped working in kernel 5.13.0-21-generic on Dell XPS 13 9310 and others Status in linux package in Ubuntu: Confirmed Bug description: In the 5.13.0-21 kernel, the device fails: $ lshw -c network *-network description: Network controller product: QCA6390 Wireless Network Adapter [AX500-DBS (2x2)] vendor: Qualcomm physical id: 0 bus info: pci@0000:72:00.0 version: 01 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list configuration: driver=ath11k_pci latency=0 resources: irq:182 memory:a2500000-a25fffff $ lspci | grep Qualcomm 72:00.0 Network controller: Qualcomm QCA6390 Wireless Network Adapter [AX500-DBS (2x2)] (rev 01) $ sudo modprobe ath11k_pci $ sudo dmesg | grep ath [ 4.611544] ath11k_pci 0000:72:00.0: BAR 0: assigned [mem 0xa2500000-0xa25fffff 64bit] [ 4.611573] ath11k_pci 0000:72:00.0: enabling device (0000 -> 0002) [ 4.612103] ath11k_pci 0000:72:00.0: qca6390 hw2.0 [ 10.337672] ath11k_pci 0000:72:00.0: failed to register fw indication: -110 [ 10.337692] ath11k_pci 0000:72:00.0: failed to send qmi firmware indication: -110 [ 39.931711] ath11k_pci 0000:72:00.0: link down error during global reset [ 45.574642] ath11k_pci 0000:72:00.0: BAR 0: assigned [mem 0xa2500000-0xa25fffff 64bit] [ 45.575668] ath11k_pci 0000:72:00.0: qca6390 hw2.0 [ 45.630047] ath11k_pci 0000:72:00.0: failed to set pcie link register 0x01e0c0ac: 0xffffffff != 0x00000010 [ 45.630054] ath11k_pci 0000:72:00.0: failed to set sysclk: -110 [ 45.650253] ath11k_pci 0000:72:00.0: link down error during global reset $ rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no In the 5.13.0-20 kernel, the device works: $ sudo dmesg | grep ath [ 4.804410] ath11k_pci 0000:72:00.0: BAR 0: assigned [mem 0xa2500000-0xa25fffff 64bit] [ 4.804440] ath11k_pci 0000:72:00.0: enabling device (0000 -> 0002) [ 4.808036] ath11k_pci 0000:72:00.0: qca6390 hw2.0 [ 5.085678] ath11k_pci 0000:72:00.0: chip_id 0x0 chip_family 0xb board_id 0xff soc_id 0xffffffff [ 5.085684] ath11k_pci 0000:72:00.0: fw_version 0x101c06cc fw_build_timestamp 2020-06-24 19:50 fw_build_id [ 5.258202] ath11k_pci 0000:72:00.0 wlp114s0: renamed from wlan0 [ 351.080712] ath11k_pci 0000:72:00.0: link down error during global reset [ 356.511270] ath11k_pci 0000:72:00.0: BAR 0: assigned [mem 0xa2500000-0xa25fffff 64bit] [ 356.512356] ath11k_pci 0000:72:00.0: qca6390 hw2.0 ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: linux-image-5.13.0-21-generic 5.13.0-21.21 ProcVersionSignature: Ubuntu 5.13.0-21.21-generic 5.13.18 Uname: Linux 5.13.0-21-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Wed Nov 10 15:23:07 2021 DistributionChannelDescriptor: # This is the distribution channel descriptor for the OEM CDs # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor canonical-oem-somerville-focal-amd64-20200502-85 InstallationDate: Installed on 2021-05-04 (190 days ago) InstallationMedia: Ubuntu 20.04 "Focal" - Build amd64 LIVE Binary 20200502-05:58 MachineType: Dell Inc. XPS 13 9310 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.13.0-21-generic root=UUID=676fbdd4-8566-4457-8530-0f412d28b48f ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.13.0-21-generic N/A linux-backports-modules-5.13.0-21-generic N/A linux-firmware 1.201.1 SourcePackage: linux UpgradeStatus: Upgraded to impish on 2021-10-19 (22 days ago) dmi.bios.date: 09/30/2021 dmi.bios.release: 3.2 dmi.bios.vendor: Dell Inc. dmi.bios.version: 3.2.0 dmi.board.name: 0MRT12 dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr3.2.0:bd09/30/2021:br3.2:svnDellInc.:pnXPS139310:pvr:rvnDellInc.:rn0MRT12:rvrA00:cvnDellInc.:ct10:cvr:sku0991: dmi.product.family: XPS dmi.product.name: XPS 13 9310 dmi.product.sku: 0991 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1950515/+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
