I did the second option, Bug #1884100.
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https://bugs.launchpad.net/bugs/1884100
Title:
Qualcomm Atheros QCA6174 802.11ac fails in linux-firmware 1.187
Status in linux-firmware package in Ubuntu:
Incomplete
Bug description:
This bug is done for a friend. I do talk to him occasionally and he
sends me data. As he's a newbie, he doesn't know how to create a
proper bug report.
Basically, his notebook has the Qualcomm Atheros QCA6174 802.11ac
wireless network adapter (rev 32). He had Ubuntu 19.10 and it worked.
He updated to 20.04 and it stopped working. He installed 20.04 from
scratch and it did not work.
20.04's linux-firmware is 1.187. This version does not work for
Qualcomm Atheros QCA6174 802.11ac.
I asked him to download 19.10's linux-firmware package from the ubuntu
repositories, which is at 1.183. After he installed, apt-marked hold
the package so that it would not be upgrade, and rebooted, his wifi
worked.
I saw the other bug reports regarding this adapter but they are old,
the newer one has expired and it seems to be related to the unsigned
kernel.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-firmware 1.187
ProcVersionSignature: Ubuntu 5.4.0-37.41-generic 5.4.41
Uname: Linux 5.4.0-37-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: patola 2713 F.... pulseaudio
/dev/snd/controlC1: patola 2713 F.... pulseaudio
/dev/snd/controlC2: patola 2713 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ICEWM
Date: Thu Jun 18 18:09:22 2020
Dependencies:
HibernationDevice: RESUME=UUID=b9874cf9-f129-4697-aa86-b24082733ed5
InstallationDate: Installed on 2018-01-08 (892 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
IwConfig:
enp3s0 no wireless extensions.
lo no wireless extensions.
MachineType: System manufacturer System Product Name
PackageArchitecture: all
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-37-generic
root=/dev/mapper/ryzenvg-rootlv ro nvidia-drm.modeset=1 noibrs noibpb nopti
nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier
mds=off tsx=on tsx_async_abort=off mitigations=off
RelatedPackageVersions:
linux-restricted-modules-5.4.0-37-generic N/A
linux-backports-modules-5.4.0-37-generic N/A
linux-firmware 1.187
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
SourcePackage: linux-firmware
UpgradeStatus: Upgraded to focal on 2020-05-01 (47 days ago)
dmi.bios.date: 09/12/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 5220
dmi.board.asset.tag: Default string
dmi.board.name: PRIME B350-PLUS
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr5220:bd09/12/2019:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB350-PLUS:rvrRevX.0x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
modified.conffile..etc.default.apport:
# set this to 0 to disable apport, or to 1 to enable it
# you can temporarily override this with
# sudo service apport start force_start=1
enabled=s
mtime.conffile..etc.default.apport: 2018-12-08T09:39:42.468905
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