apport information

** Attachment added: "PulseList.txt"
   
https://bugs.launchpad.net/bugs/1887623/+attachment/5392786/+files/PulseList.txt

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https://bugs.launchpad.net/bugs/1887623

Title:
  Atheros QCA9377 WiFi Not detected on Ubuntu 20.04

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I am using Ubuntu 20.04 on Dell 5575 with AMD Ryzen 5. WiFi was
  working during installation and after the I updated recent, it stopped
  working.

  lspci | grep Atheros
  03:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless 
Network Adapter (rev 31)

  dmesg errors

  [    5.627332]  ath10k_core_register_work+0x26/0x120 [ath10k_core]
  [    5.627355] ath10k_pci 0000:03:00.0: unable to get target info from device
  [    5.627358] ath10k_pci 0000:03:00.0: could not get target info (-5)
  [    5.627373] ath10k_pci 0000:03:00.0: could not probe fw (-5)

  have tried using older kernel 5.4.0-26 but that didn't help.

  I had to add this to grub, "nomodeset iommu=off" as it wasn't booting.

  sudo lspci -vnvn > lspci-vnvn.log
  pcilib: sysfs_read_vpd: read failed: Input/output error

  lsb_release -rd
  Description:  Ubuntu 20.04 LTS
  Release:      20.04
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  poonam     1564 F.... pulseaudio
   /dev/snd/controlC0:  poonam     1564 F.... pulseaudio
  CasperMD5CheckResult: skip
  DistroRelease: Ubuntu 20.04
  InstallationDate: Installed on 2020-07-13 (1 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  IwConfig:
   lo        no wireless extensions.
   
   enp2s0    no wireless extensions.
  MachineType: Dell Inc. Inspiron 5575
  Package: linux (not installed)
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-40-generic 
root=UUID=72998a7f-f0f6-4782-b447-785cc101a1ac ro quiet splash nomodeset 
iommu=off vt.handoff=7
  ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-40-generic N/A
   linux-backports-modules-5.4.0-40-generic  N/A
   linux-firmware                            1.187.1
  RfKill:
   0: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
  Tags:  focal
  Uname: Linux 5.4.0-40-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 10/31/2019
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.3.3
  dmi.board.asset.tag: not specified
  dmi.board.name: 0M0Y6P
  dmi.board.vendor: Dell Inc.
  dmi.board.version: X01
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 1.3.3
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.3.3:bd10/31/2019:svnDellInc.:pnInspiron5575:pvr1.3.3:rvnDellInc.:rn0M0Y6P:rvrX01:cvnDellInc.:ct10:cvr1.3.3:
  dmi.product.family: Inspiron
  dmi.product.name: Inspiron 5575
  dmi.product.sku: 0812
  dmi.product.version: 1.3.3
  dmi.sys.vendor: Dell Inc.

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