** Changed in: linux (Ubuntu)
       Status: Confirmed => In Progress

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https://bugs.launchpad.net/bugs/1895449

Title:
  Internet disconnected unexpectly + Xorg freeze while watching html5
  video in Chrome

Status in linux package in Ubuntu:
  In Progress

Bug description:
  A few issues:

  1)With Intel(R) Wireless-AC 9560, under kernel 5.4 for Ubuntu 20.04.1,
  the system sometimes gets disconnected with the network and I get the
  following error in syslog:

  iwlwifi: BIOS contains WGDS but no WRDS

  It is unclear if this is the cause of the problem, but this is likely
  related to kernel.

  2) Watching HTML5 videos on Chrome with Nvidia GPU (440 driver) will
  sometimes cause xorg freeze. The exact cause is unknown. (Mouse,
  control all freeze for 5-10 seconds)

  3) After Wake up from sleep got the following error on screen

  sof-audio-pci error: no reply expected, received 0x0
  iwlwifi: BIOS contains WGDS but no WRDS

  4) After wake up from a long sleep session, sometimes chrome will not
  render web page correctly or even freeze. It is unclear if its a
  Chrome problem, or a Nvidia problem, or a Kernel Problem.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: linux-image-5.4.0-47-generic 5.4.0-47.51
  ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55
  Uname: Linux 5.4.0-47-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu27.8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  gao        1931 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Sep 13 09:14:36 2020
  InstallationDate: Installed on 2020-08-25 (19 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  MachineType: Dell Inc. Inspiron 7591
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-47-generic 
root=UUID=421f18c3-a8c8-4cf4-9b7b-5a7442595b1b ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-5.4.0-47-generic N/A
   linux-backports-modules-5.4.0-47-generic  N/A
   linux-firmware                            1.187.3
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/30/2020
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.7.0
  dmi.board.name: 0JKGD4
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.7.0:bd06/30/2020:svnDellInc.:pnInspiron7591:pvr:rvnDellInc.:rn0JKGD4:rvrA00:cvnDellInc.:ct10:cvr:
  dmi.product.family: Inspiron
  dmi.product.name: Inspiron 7591
  dmi.product.sku: 0923
  dmi.sys.vendor: Dell Inc.
  modified.conffile..etc.default.apport: [modified]
  mtime.conffile..etc.default.apport: 2020-09-07T23:43:13.736867

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