apport information ** Attachment added: "ProcCpuinfo.txt" https://bugs.launchpad.net/bugs/1617686/+attachment/4729276/+files/ProcCpuinfo.txt
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1617686 Title: Kernel 4.4.0-34 caused Redshift/Flux/brightness-controller etc. to stop working Status in linux package in Ubuntu: Confirmed Bug description: As per reported by several users, such as in https://ubuntuforums.org/showthread.php?t=2333398, apps that control screen gamma, such as Redshift/Flux/brightness-controller, stopped working under the newest kernel 4.4.0-34 in Ubuntu 16.04 LTS, and we're not sure what caused the issue. Those apps are still working well on external monitors. It's just the internal monitor that is not responsive. Any setting just simply has no effect. It seems that all the users are using Skylake-based laptop. In my case, my laptop is on Skylake and GTX980M. Links for the individual apps mentioned above: - Redshift http://jonls.dk/redshift/ - Flux https://justgetflux.com/linux.html - brightness-controller https://apps.ubuntu.com/cat/applications/brightness-controller/ --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: jx 4030 F...m pulseaudio /dev/snd/controlC0: jx 4030 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=66785c85-3633-4f60-b15d-718b7b14873e InstallationDate: Installed on 2016-04-25 (125 days ago) InstallationMedia: It Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 8087:0a2a Intel Corp. Bus 001 Device 002: ID 046d:c07e Logitech, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Hasee Computer CP65R NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-28-generic root=UUID=d940d1fe-4c2c-4de3-b82d-108083812e0e ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13 RelatedPackageVersions: linux-restricted-modules-4.4.0-28-generic N/A linux-backports-modules-4.4.0-28-generic N/A linux-firmware 1.157.3 Tags: xenial Uname: Linux 4.4.0-28-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/18/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1.05.05 dmi.board.asset.tag: Tag 12345 dmi.board.name: P65_P67RGRERA dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.05.05:bd09/18/2015:svnHaseeComputer:pnCP65R:pvrNotApplicable:rvnNotebook:rnP65_P67RGRERA:rvrNotApplicable:cvnNotebook:ct10:cvrN/A: dmi.product.name: CP65R dmi.product.version: Not Applicable dmi.sys.vendor: Hasee Computer --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jx 4045 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=66785c85-3633-4f60-b15d-718b7b14873e InstallationDate: Installed on 2016-04-25 (125 days ago) InstallationMedia: It Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 8087:0a2a Intel Corp. Bus 001 Device 002: ID 046d:c07e Logitech, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Hasee Computer CP65R NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-34-generic root=UUID=d940d1fe-4c2c-4de3-b82d-108083812e0e ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15 RelatedPackageVersions: linux-restricted-modules-4.4.0-34-generic N/A linux-backports-modules-4.4.0-34-generic N/A linux-firmware 1.157.3 Tags: xenial Uname: Linux 4.4.0-34-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/18/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1.05.05 dmi.board.asset.tag: Tag 12345 dmi.board.name: P65_P67RGRERA dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.05.05:bd09/18/2015:svnHaseeComputer:pnCP65R:pvrNotApplicable:rvnNotebook:rnP65_P67RGRERA:rvrNotApplicable:cvnNotebook:ct10:cvrN/A: dmi.product.name: CP65R dmi.product.version: Not Applicable dmi.sys.vendor: Hasee Computer --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: jx 4045 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 16.04 HibernationDevice: RESUME=UUID=66785c85-3633-4f60-b15d-718b7b14873e InstallationDate: Installed on 2016-04-25 (125 days ago) InstallationMedia: It Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 8087:0a2a Intel Corp. Bus 001 Device 002: ID 046d:c07e Logitech, Inc. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Hasee Computer CP65R NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-34-generic root=UUID=d940d1fe-4c2c-4de3-b82d-108083812e0e ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15 RelatedPackageVersions: linux-restricted-modules-4.4.0-34-generic N/A linux-backports-modules-4.4.0-34-generic N/A linux-firmware 1.157.3 Tags: xenial Uname: Linux 4.4.0-34-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/18/2015 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1.05.05 dmi.board.asset.tag: Tag 12345 dmi.board.name: P65_P67RGRERA dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: Notebook dmi.chassis.version: N/A dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.05.05:bd09/18/2015:svnHaseeComputer:pnCP65R:pvrNotApplicable:rvnNotebook:rnP65_P67RGRERA:rvrNotApplicable:cvnNotebook:ct10:cvrN/A: dmi.product.name: CP65R dmi.product.version: Not Applicable dmi.sys.vendor: Hasee Computer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1617686/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp