apport information

** Attachment added: "ProcInterrupts.txt"
   
https://bugs.launchpad.net/bugs/1939347/+attachment/5517010/+files/ProcInterrupts.txt

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https://bugs.launchpad.net/bugs/1939347

Title:
  Ubuntu 20.04 freeze since kernel 5.11

Status in linux package in Ubuntu:
  New

Bug description:
  Since the last kernel update 5.11.0-25-generic, the system freezes in a few 
seconds or minutes, sometimes even on the login screen. 
  The machine is a recent dell latitude 7490. The graphics card is Intel 
Corporation UHD Graphics 620 (rev 07). No multiboot. No problem with the 
previous kernel 5.8.0-63.
  I had the same problem with fedora a few months ago, which forced me to 
switch to ubuntu without any problems so far.  
  Thanks for your help.
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  plawrence   1996 F.... pulseaudio
  CasperMD5CheckResult: skip
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 20.04
  InstallationDate: Installed on 2020-06-21 (414 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  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 1bcf:2b96 Sunplus Innovation Technology Inc. 
Integrated_Webcam_HD
   Bus 001 Device 004: ID 0a5c:5834 Broadcom Corp. 5880
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. Latitude 7490
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 i915drmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.11.0-25-generic 
root=UUID=01fd281b-07d7-45f2-846b-d5b79ed5d431 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 5.11.0-25.27~20.04.1-generic 5.11.22
  RelatedPackageVersions:
   linux-restricted-modules-5.11.0-25-generic N/A
   linux-backports-modules-5.11.0-25-generic  N/A
   linux-firmware                             1.187.15
  Tags:  focal
  Uname: Linux 5.11.0-25-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: 02/23/2021
  dmi.bios.release: 1.19
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.19.0
  dmi.board.name: 0KP0FT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 10
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr1.19.0:bd02/23/2021:br1.19:svnDellInc.:pnLatitude7490:pvr:rvnDellInc.:rn0KP0FT:rvrA00: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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