apport information

** Attachment added: "ProcCpuinfoMinimal.txt"
   
https://bugs.launchpad.net/bugs/1869080/+attachment/5341858/+files/ProcCpuinfoMinimal.txt

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https://bugs.launchpad.net/bugs/1869080

Title:
  White noise during sound playing and after sound stopped for 5 seconds
  in headphones

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  I have an Ubuntu 18.04 installed on my DELL 7490 laptop.
  Kernel version is: 5.3.0-40-generic

  When I plug in one of my headphones and start to play sound I
  immediately start to hear white noise in the earphone. After I stop
  the music the white noise still remains for 5 more seconds, after 5
  seconds it stops.

  I tried with different headphones, the only difference between them is
  the volume of the white noise.

  I tried several ways to fix the problem but without any luck.

  lspci -nnk | grep -iA2 audio output:
  00:1f.3 Audio device [0403]: Intel Corporation Sunrise Point-LP HD Audio 
[8086:9d71] (rev 21)
          Subsystem: Dell Sunrise Point-LP HD Audio [1028:081c]
          Kernel driver in use: snd_hda_intel
          Kernel modules: snd_hda_intel, snd_soc_skl
  sudo aplay -l output:
  **** List of PLAYBACK Hardware Devices ****
  card 0: PCH [HDA Intel PCH], device 0: ALC3246 Analog [ALC3246 Analog]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
  card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
  card 0: PCH [HDA Intel PCH], device 7: HDMI 1 [HDMI 1]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
  card 0: PCH [HDA Intel PCH], device 8: HDMI 2 [HDMI 2]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
  card 0: PCH [HDA Intel PCH], device 9: HDMI 3 [HDMI 3]
    Subdevices: 1/1
    Subdevice #0: subdevice #0
  card 0: PCH [HDA Intel PCH], device 10: HDMI 4 [HDMI 4]
    Subdevices: 1/1
    Subdevice #0: subdevice #0

  Thanks for your help in advance!


  --- 
  ProblemType: Bug
  ApportVersion: 2.20.9-0ubuntu7.12
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  zsambek    2196 F.... pulseaudio
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 18.04
  InstallationDate: Installed on 2020-02-20 (34 days ago)
  InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 
(20200203.1)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2b Intel Corp. 
   Bus 001 Device 002: ID 0bda:5650 Realtek Semiconductor Corp. 
   Bus 001 Device 004: ID 0a5c:5834 Broadcom Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. Latitude 7490
  Package: linux (not installed)
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-42-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1
  ProcVersionSignature: Ubuntu 5.3.0-42.34~18.04.1-generic 5.3.18
  RelatedPackageVersions:
   linux-restricted-modules-5.3.0-42-generic N/A
   linux-backports-modules-5.3.0-42-generic  N/A
   linux-firmware                            1.173.16
  Tags:  bionic
  Uname: Linux 5.3.0-42-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 11/08/2019
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.13.1
  dmi.board.name: 0PP44F
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A02
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.13.1:bd11/08/2019:svnDellInc.:pnLatitude7490:pvr:rvnDellInc.:rn0PP44F:rvrA02:cvnDellInc.:ct10:cvr:
  dmi.product.family: Latitude
  dmi.product.name: Latitude 7490
  dmi.product.sku: 081C
  dmi.sys.vendor: Dell Inc.

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