Public bug reported:
Yesterday I got upgrades including kernel 4.15.0-39, this morning when I
booted my laptop I was unable to connect or see any wifi networks, under
closer inspection the whole wireless networking UI was disabled.
lshw was not showing my wireless adapter.
Rebooted with 4.15.0-38 and now everything works correctly.
lshw shows
*-network
description: Wireless interface
product: QCA9377 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:03:00.0
logical name: wlp3s0
version: 31
serial: 74:40:bb:a8:4a:a7
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical
wireless
configuration: broadcast=yes driver=ath10k_pci
driverversion=4.15.0-38-generic firmware=WLAN.TF.1.0-00002-QCATFSWPZ-5
ip=192.168.1.74 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:131 memory:d2000000-d21fffff
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-38-generic 4.15.0-38.41
ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18
Uname: Linux 4.15.0-38-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.5
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ricardoe 2674 F.... pulseaudio
CurrentDesktop: MATE
Date: Wed Nov 14 09:31:20 2018
InstallationDate: Installed on 2018-10-05 (40 days ago)
InstallationMedia: Ubuntu-MATE 18.04.1 LTS "Bionic Beaver" - Release amd64
(20180725)
MachineType: Dell Inc. Inspiron 5570
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-38-generic
root=UUID=aa7aabab-0040-44e5-a647-26ffb4729da5 ro quiet splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-38-generic N/A
linux-backports-modules-4.15.0-38-generic N/A
linux-firmware 1.173.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 08/15/2018
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.8
dmi.board.name: 0Y1T82
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.1.8:bd08/15/2018:svnDellInc.:pnInspiron5570:pvr:rvnDellInc.:rn0Y1T82:rvrA00:cvnDellInc.:ct10:cvr:
dmi.product.family: Inspiron
dmi.product.name: Inspiron 5570
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic
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https://bugs.launchpad.net/bugs/1803392
Title:
Kernel 4.15.0-39.42 not compatible with Qualcomm Atheros QCA9377
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