[Bug 1939347] Re: Ubuntu 20.04 freeze since kernel 5.11

** Changed in: linux (Ubuntu)
Importance: Undecided => High

** Tags added: rls-ff-incoming

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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.
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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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