Ok. Here the result:
assuming you only need the log files. Executed as stated: - ls /sys/class/backlight > backlight - grep -r . /proc/acpi > acpi - sudo acpidump -o acpidump.txt - acpixtract acpidump.txt - Please note this must be done after the prior command, as it uses the newly created acpidump.txt, in order to produce the files to attach DSDT.dat, SSDT1.dat, SSDT2.dat, and SSDT3.dat. - iasl -d DSDT.dat - Please note this must be done after the prior command, as it uses the newly created DSDT.dat to create the file to attach DSDT.dsl. - sudo fwts > fwts - sudo fwts method > fwts_method - sudo dmidecode > dmidecode.log On Mon, May 28, 2018 at 9:43 PM, Christopher M. Penalver < christopher.m.penal...@gmail.com> wrote: > marvin: > > 1) Regarding the scaling and mouse issues, these are outside the scope of > this report. Hence, feel free to file a separate report about each one by > ensuring you have the package xdiagnose installed, and that you click the > Yes button for attaching additional debugging information via a terminal: > ubuntu-bug xorg > > 2) Regarding the scope of this report, could you please provide the > missing information from > https://wiki.ubuntu.com/Kernel/Debugging/Backlight? > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1768208 > > Title: > [Lenovo ThinkPad X1 Yoga 1st Gen] Can't change brightness > > Status in linux package in Ubuntu: > Incomplete > > Bug description: > The screen brightness cannot be changed. > > In 16.04, I could change the brightness via: > xrandr --output eDP-1 --brightness 0.7 > > WORKAROUND: Execute at a terminal: > xrandr --output eDP-1 --scale 1.25x1.25 --brightness 0.8 > > --- > ApportVersion: 2.20.9-0ubuntu7 > Architecture: amd64 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: marvin 1768 F.... pulseaudio > CurrentDesktop: ubuntu:GNOME > DistroRelease: Ubuntu 18.04 > HibernationDevice: RESUME=UUID=e81e811a-12aa-465d-ba3c-77e34b171b69 > MachineType: LENOVO 20FRS2M600 > Package: linux (not installed) > ProcFB: 0 inteldrmfb > ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz root=/dev/nvme0n1p1 > ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17 > RelatedPackageVersions: > linux-restricted-modules-4.15.0-20-generic N/A > linux-backports-modules-4.15.0-20-generic N/A > linux-firmware 1.173 > Tags: bionic > Uname: Linux 4.15.0-20-generic x86_64 > UpgradeStatus: No upgrade log present (probably fresh install) > UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo > _MarkForUpload: True > dmi.bios.date: 06/23/2016 > dmi.bios.vendor: LENOVO > dmi.bios.version: N1FET41W (1.15 ) > dmi.board.asset.tag: Not Available > dmi.board.name: 20FRS2M600 > dmi.board.vendor: LENOVO > dmi.board.version: Not Defined > dmi.chassis.asset.tag: No Asset Information > dmi.chassis.type: 10 > dmi.chassis.vendor: LENOVO > dmi.chassis.version: None > dmi.modalias: dmi:bvnLENOVO:bvrN1FET41W(1.15):bd06/23/2016:svnLENOVO: > pn20FRS2M600:pvrThinkPadX1Yoga1st:rvnLENOVO:rn20FRS2M600: > rvrNotDefined:cvnLENOVO:ct10:cvrNone: > dmi.product.family: ThinkPad X1 Yoga 1st > dmi.product.name: 20FRS2M600 > dmi.product.version: ThinkPad X1 Yoga 1st > dmi.sys.vendor: LENOVO > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/ > 1768208/+subscriptions > ** Attachment added: "results.log" https://bugs.launchpad.net/bugs/1768208/+attachment/5146961/+files/results.log ** Attachment added: "dmidecode.log" https://bugs.launchpad.net/bugs/1768208/+attachment/5146962/+files/dmidecode.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768208 Title: [Lenovo ThinkPad X1 Yoga 1st Gen] Can't change brightness To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1768208/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs