Public bug reported:

My wifi card (ath10k) is not working any more after this update:

Start-Date: 2020-03-16  14:42:57
Commandline: aptdaemon role='role-commit-packages' sender=':1.13453'
Install: linux-image-5.3.0-42-generic:amd64 (5.3.0-42.34, automatic), 
linux-headers-5.3.0-42-generic:amd64 (5.3.0-42.34, automatic), 
linux-modules-extra-5.3.0-42-generic:amd64 (5.3.0-42.34, automatic), 
linux-headers-5.3.0-42:amd64 (5.3.0-42.34, automatic), 
linux-modules-5.3.0-42-generic:amd64 (5.3.0-42.34, automatic)
Upgrade: linux-headers-generic:amd64 (5.3.0.40.34, 5.3.0.42.36), 
linux-libc-dev:amd64 (5.3.0-40.32, 5.3.0-42.34), linux-image-generic:amd64 
(5.3.0.40.34, 5.3.0.42.36), linux-generic:amd64 (5.3.0.40.34, 5.3.0.42.36)
End-Date: 2020-03-16  14:43:41


These are the last lines of my syslog when I try to start wireless in 
network-manager:

[ 1172.045777] ath10k_pci 0000:02:00.0: failed to read firmware dump area: -28
[ 1172.045780] ath10k_pci 0000:02:00.0: Copy Engine register dump:
[ 1172.167399] ath10k_pci 0000:02:00.0: [00]: 0x00034400 4294967295 4294967295 
4294967295 4294967295

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: linux-firmware 1.183.4
ProcVersionSignature: Ubuntu 5.3.0-42.34-generic 5.3.18
Uname: Linux 5.3.0-42-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.6
Architecture: amd64
CurrentDesktop: Unity:Unity7:ubuntu
Date: Wed Mar 18 09:44:00 2020
Dependencies:
 
InstallationDate: Installed on 2018-04-09 (708 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180408)
PackageArchitecture: all
SourcePackage: linux-firmware
UpgradeStatus: Upgraded to eoan on 2020-01-22 (56 days ago)

** Affects: linux-firmware (Ubuntu)
     Importance: Undecided
         Status: Invalid


** Tags: amd64 apport-bug eoan

** Changed in: linux-firmware (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1867894

Title:
  Regression: ath10k_pci: firmware crashing after kernel update

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