Public bug reported: When I press the KEY_BRIGHTNESSDOWN or KEY_BRIGHTNESSUP the screen freeze for a few seconds.
Sometimes it up/down brightness to max/min with just one press and the overlay get stuck in the screen. Maybe useful information: # evtest Event: time 1597066500.752632, -------------- SYN_REPORT ------------ Event: time 1597066502.755372, type 4 (EV_MSC), code 4 (MSC_SCAN), value 86 Event: time 1597066502.755372, type 1 (EV_KEY), code 225 (KEY_BRIGHTNESSUP), value 1 Event: time 1597066502.755372, -------------- SYN_REPORT ------------ Event: time 1597066502.761653, type 4 (EV_MSC), code 4 (MSC_SCAN), value 86 Event: time 1597066502.761653, type 1 (EV_KEY), code 225 (KEY_BRIGHTNESSUP), value 0 Event: time 1597066502.761653, -------------- SYN_REPORT ------------ Event: time 1597066521.533682, type 4 (EV_MSC), code 4 (MSC_SCAN), value 85 Event: time 1597066521.533682, type 1 (EV_KEY), code 224 (KEY_BRIGHTNESSDOWN), value 1 Event: time 1597066521.533682, -------------- SYN_REPORT ------------ Event: time 1597066521.542973, type 4 (EV_MSC), code 4 (MSC_SCAN), value 85 Event: time 1597066521.542973, type 1 (EV_KEY), code 224 (KEY_BRIGHTNESSDOWN), value 0 $ lsb_release -rd Description: Ubuntu 20.04.1 LTS Release: 20.04 ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: udev 245.4-4ubuntu3.2 ProcVersionSignature: Ubuntu 5.4.0-42.46-generic 5.4.44 Uname: Linux 5.4.0-42-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.6 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: ubuntu:GNOME CustomUdevRuleFiles: 70-snap.core.rules Date: Mon Aug 10 10:44:20 2020 InstallationDate: Installed on 2018-07-23 (749 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) MachineType: Dell Inc. Inspiron 5558 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-42-generic root=UUID=c78b51e8-c664-4dd2-8020-7bc5da6f2bc0 ro quiet splash acpi_backlight=vendor vt.handoff=7 SourcePackage: systemd UpgradeStatus: Upgraded to focal on 2020-07-11 (29 days ago) dmi.bios.date: 02/02/2018 dmi.bios.vendor: Dell Inc. dmi.bios.version: A15 dmi.board.name: 0R392V dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA15:bd02/02/2018:svnDellInc.:pnInspiron5558:pvr01:rvnDellInc.:rn0R392V:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Inspiron 5558 dmi.product.sku: Inspiron 5558 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. ** Affects: systemd (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891032 Title: Brightness key freeze screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1891032/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs