Public bug reported:
After upgrade from Ubuntu 18 to 20, touch-pad and display stop working
correctly. touchepad works only from time to time, but I can't find
pattern why. On the other hand display just after upgrade worked
correctly, but lately I have to work in recovery mode because on normal
drivers refreshing is terrible and from time to time display turn black
and it is impossible to switch it to normal mode.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-100-generic 5.4.0-100.113
ProcVersionSignature: Ubuntu 5.4.0-100.113-generic 5.4.166
Uname: Linux 5.4.0-100-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: b 2538 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 9 17:09:05 2022
HibernationDevice: RESUME=UUID=2e023d39-8015-4527-93d8-ec2dacb4572a
InstallationDate: Installed on 2016-09-07 (2008 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Dell Inc. Latitude E6540
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-100-generic
root=UUID=2e8b2947-a5a7-4df7-9248-aca535b07d8c ro recovery nomodeset
dis_ucode_ldr nomodeset
RelatedPackageVersions:
linux-restricted-modules-5.4.0-100-generic N/A
linux-backports-modules-5.4.0-100-generic N/A
linux-firmware 1.187.27
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2022-03-02 (7 days ago)
dmi.bios.date: 02/18/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0CYT5F
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA08:bd02/18/2014:svnDellInc.:pnLatitudeE6540:pvr01:rvnDellInc.:rn0CYT5F:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6540
dmi.product.sku: Latitude E6540
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug focal third-party-packages
** Attachment added: "devices"
https://bugs.launchpad.net/bugs/1964373/+attachment/5567410/+files/devices
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https://bugs.launchpad.net/bugs/1964373
Title:
Dell latitude e65640 touchpad and display problem.
Status in linux package in Ubuntu:
Confirmed
Bug description:
After upgrade from Ubuntu 18 to 20, touch-pad and display stop working
correctly. touchepad works only from time to time, but I can't find
pattern why. On the other hand display just after upgrade worked
correctly, but lately I have to work in recovery mode because on
normal drivers refreshing is terrible and from time to time display
turn black and it is impossible to switch it to normal mode.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-100-generic 5.4.0-100.113
ProcVersionSignature: Ubuntu 5.4.0-100.113-generic 5.4.166
Uname: Linux 5.4.0-100-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: b 2538 F.... pulseaudio
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 9 17:09:05 2022
HibernationDevice: RESUME=UUID=2e023d39-8015-4527-93d8-ec2dacb4572a
InstallationDate: Installed on 2016-09-07 (2008 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: Dell Inc. Latitude E6540
ProcFB:
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-100-generic
root=UUID=2e8b2947-a5a7-4df7-9248-aca535b07d8c ro recovery nomodeset
dis_ucode_ldr nomodeset
RelatedPackageVersions:
linux-restricted-modules-5.4.0-100-generic N/A
linux-backports-modules-5.4.0-100-generic N/A
linux-firmware 1.187.27
SourcePackage: linux
UpgradeStatus: Upgraded to focal on 2022-03-02 (7 days ago)
dmi.bios.date: 02/18/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A08
dmi.board.name: 0CYT5F
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA08:bd02/18/2014:svnDellInc.:pnLatitudeE6540:pvr01:rvnDellInc.:rn0CYT5F:rvrA00:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6540
dmi.product.sku: Latitude E6540
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
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