Comment 33 for bug 1768208

Ok, Thx for the feedback. Here is what I found so far. I will try and boot
with the different kernel parameter if needed but Ill first have to read up
on how to do that correctly.

1) current Kernel
marvin@marvin-X1-18:~$ uname -a
Linux marvin-X1-18 4.15.0-22-generic #24-Ubuntu SMP Wed May 16 12:15:17 UTC
2018 x86_64 x86_64 x86_64 GNU/Linux

2) ls /sys/class/backlight > "ls sys-class-backlight"
intel_backlight

3) marvin@marvin-X1-18:~$ grep -r . /proc/acpi > "grep -r . proc-acpi"
/proc/acpi/ibm/fan:status: enabled
/proc/acpi/ibm/fan:speed: 0
/proc/acpi/ibm/fan:level: auto
/proc/acpi/ibm/led:status: supported
/proc/acpi/ibm/led:commands: <led> on, <led> off, <led> blink (<led> is
0-15)
/proc/acpi/ibm/wan:status: enabled
/proc/acpi/ibm/wan:commands: enable, disable
/proc/acpi/ibm/beep:status: supported
/proc/acpi/ibm/beep:commands: <cmd> (<cmd> is 0-17)
/proc/acpi/ibm/cmos:status: supported
/proc/acpi/ibm/cmos:commands: <cmd> (<cmd> is 0-21)
/proc/acpi/ibm/light:status: off
/proc/acpi/ibm/light:commands: on, off
/proc/acpi/ibm/driver:driver: ThinkPad ACPI Extras
/proc/acpi/ibm/driver:version: 0.25
/proc/acpi/ibm/hotkey:status: enabled
/proc/acpi/ibm/hotkey:mask: 0xff8c7ffb
/proc/acpi/ibm/hotkey:commands: enable, disable, reset, <mask>
/proc/acpi/ibm/volume:level: unsupported
/proc/acpi/ibm/volume:mute: on
/proc/acpi/ibm/kbdlight:status: 0
/proc/acpi/ibm/kbdlight:commands: 0, 1, 2
/proc/acpi/ibm/bluetooth:status: enabled
/proc/acpi/ibm/bluetooth:commands: enable, disable
/proc/acpi/button/lid/LID/state:state: open
/proc/acpi/wakeup:Device S-state Status Sysfs node
/proc/acpi/wakeup:LID S4 *enabled platform:PNP0C0D:00
/proc/acpi/wakeup:SLPB S3 *enabled platform:PNP0C0E:00
/proc/acpi/wakeup:IGBE S4 *enabled pci:0000:00:1f.6
/proc/acpi/wakeup:EXP9 S4 *disabled
/proc/acpi/wakeup:XHCI S3 *enabled pci:0000:00:14.0

4) sudo acpidump -o acpidump.txt
marvin@marvin-X1-18:~$ sudo acpidump -o acpidump.txt
Target path already exists, overwrite? [y|n] y
marvin@marvin-X1-18:~$ acpixtract acpidump.txt

Intel ACPI Component Architecture
ACPI Binary Table Extraction Utility version 20180105
Copyright (c) 2000 - 2018 Intel Corporation

  DSDT - 77564 bytes written (0x00012EFC) - dsdt.dat
  SSDT - 1027 bytes written (0x00000403) - ssdt1.dat
  SSDT - 612 bytes written (0x00000264) - ssdt2.dat
  SSDT - 1477 bytes written (0x000005C5) - ssdt3.dat
  SSDT - 1807 bytes written (0x0000070F) - ssdt4.dat
  SSDT - 3699 bytes written (0x00000E73) - ssdt5.dat
  SSDT - 6354 bytes written (0x000018D2) - ssdt6.dat
  SSDT - 19978 bytes written (0x00004E0A) - ssdt7.dat
  SSDT - 281 bytes written (0x00000119) - ssdt8.dat
  SSDT - 304 bytes written (0x00000130) - ssdt9.dat
  SSDT - 142 bytes written (0x0000008E) - ssdt10.dat
  SSDT - 281 bytes written (0x00000119) - ssdt11.dat
  SSDT - 1450 bytes written (0x000005AA) - ssdt12.dat
  SSDT - 975 bytes written (0x000003CF) - ssdt13.dat
marvin@marvin-X1-18:~$ iasl -d DSDT.dat

Intel ACPI Component Architecture
ASL+ Optimizing Compiler/Disassembler version 20180105
Copyright (c) 2000 - 2018 Intel Corporation

Could not open input file: DSDT.dat
Could not get ACPI tables from DSDT.dat, AE_NOT_EXIST

5)sudo fwts > "fwts"

attached

6)sudo fwts method > "fwts method"

attached

7) sudo dmidecode > dmidecode
8 ) marvin@marvin-X1-18:~$ lsmod | grep thinkpad_acpi > "lsmod | grep
thinkpad_acpi"

Best Regards
Marvin Rueppel

On Fri, Jun 1, 2018 at 1:49 PM, Christopher M. Penalver <
<email address hidden>> wrote:

> marvin, regarding comment #30:
>
> 1)
> >"assuming you only need the log files."
>
> Unfortunately, this isn't the case.
>
> 2) Regarding attachments, the article requested separate attachments for
> each command (not combined into one). This is to help developers know
> what it is they are looking at, versus guessing at what was attached,
> trying to deduce if something was missed, or figure out why something
> unexpected happen.
>
> --
> 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
>
> WORKAROUND: https://extensions.gnome.org/extension/1222/oled-dimmer/
>
> ---
> 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
>