| 2018-02-04 15:54:32 |
Michael Hoff |
bug |
|
|
added bug |
| 2018-02-04 16:21:14 |
Ubuntu Foundations Team Bug Bot |
tags |
acpi brightness lenovo p51 thinkpad |
acpi bot-comment brightness lenovo p51 thinkpad |
|
| 2018-02-05 17:30:08 |
Brian Murray |
affects |
ubuntu |
linux (Ubuntu) |
|
| 2018-02-05 18:00:04 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Incomplete |
|
| 2018-02-05 18:00:06 |
Ubuntu Kernel Bot |
tags |
acpi bot-comment brightness lenovo p51 thinkpad |
acpi artful bot-comment brightness lenovo p51 thinkpad |
|
| 2018-02-05 18:50:20 |
Michael Hoff |
tags |
acpi artful bot-comment brightness lenovo p51 thinkpad |
acpi apport-collected artful bot-comment brightness lenovo p51 thinkpad |
|
| 2018-02-05 18:50:20 |
Michael Hoff |
description |
I can not modify the screen brightness in Ubuntu 17.10. Controls aside, the classes in `proc` are either not available or non-functional depending on what arguments I provide in GRUB_CMDLINE_LINUX_DEFAULT.
On a parallel installation (Ubuntu 16.04.3), brightness control works flawlessly.
System Information
------------------
$ lsb_release -rd
Description: Ubuntu 17.10
Release: 17.10
$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 05)
00:01.0 PCI bridge: Intel Corporation Skylake PCIe Controller (x16) (rev 05)
00:08.0 System peripheral: Intel Corporation Skylake Gaussian Mixture Model
00:14.0 USB controller: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller (rev 31)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-H Thermal subsystem (rev 31)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-H Serial IO I2C Controller #0 (rev 31)
00:16.0 Communication controller: Intel Corporation Sunrise Point-H CSME HECI #1 (rev 31)
00:17.0 SATA controller: Intel Corporation Sunrise Point-H SATA controller [AHCI mode] (rev 31)
00:1b.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Root Port #17 (rev f1)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #1 (rev f1)
00:1c.2 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #3 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #5 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #9 (rev f1)
00:1d.4 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #13 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-H LPC Controller (rev 31)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-H PMC (rev 31)
00:1f.3 Audio device: Intel Corporation Device a171 (rev 31)
00:1f.4 SMBus: Intel Corporation Sunrise Point-H SMBus (rev 31)
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (5) I219-V (rev 31)
01:00.0 VGA compatible controller: NVIDIA Corporation GM107GLM [Quadro M1200 Mobile] (rev a2)
01:00.1 Audio device: NVIDIA Corporation Device 0fbc (rev a1)
02:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961
04:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78)
3e:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961
# with GRUB_CMDLINE_LINUX_DEFAULT="acpi_osi=Linux thinkpad-acpi.brightness_enable=1":
$ grep . -R /sys/class/backlight/thinkpad_screen/*
/sys/class/backlight/thinkpad_screen/actual_brightness:0
/sys/class/backlight/thinkpad_screen/bl_power:0
/sys/class/backlight/thinkpad_screen/brightness:11
/sys/class/backlight/thinkpad_screen/max_brightness:15
/sys/class/backlight/thinkpad_screen/power/runtime_active_kids:0
/sys/class/backlight/thinkpad_screen/power/runtime_suspended_time:0
grep: /sys/class/backlight/thinkpad_screen/power/autosuspend_delay_ms: Input/output error
/sys/class/backlight/thinkpad_screen/power/runtime_enabled:disabled
/sys/class/backlight/thinkpad_screen/power/runtime_active_time:0
/sys/class/backlight/thinkpad_screen/power/control:auto
/sys/class/backlight/thinkpad_screen/power/async:disabled
/sys/class/backlight/thinkpad_screen/power/runtime_usage:0
/sys/class/backlight/thinkpad_screen/power/runtime_status:unsupported
grep: warning: /sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/subsystem: recursive directory loop
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_active_kids:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_suspended_time:0
grep: /sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/autosuspend_delay_ms: Input/output error
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_enabled:disabled
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_active_time:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/control:auto
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/async:disabled
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_usage:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_status:unsupported
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/max_brightness:15
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/type:platform
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/brightness:11
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/bl_power:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/actual_brightness:0
/sys/class/backlight/thinkpad_screen/type:platform
3f:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01) |
I can not modify the screen brightness in Ubuntu 17.10. Controls aside, the classes in `proc` are either not available or non-functional depending on what arguments I provide in GRUB_CMDLINE_LINUX_DEFAULT.
On a parallel installation (Ubuntu 16.04.3), brightness control works flawlessly.
System Information
------------------
$ lsb_release -rd
Description: Ubuntu 17.10
Release: 17.10
$ lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 05)
00:01.0 PCI bridge: Intel Corporation Skylake PCIe Controller (x16) (rev 05)
00:08.0 System peripheral: Intel Corporation Skylake Gaussian Mixture Model
00:14.0 USB controller: Intel Corporation Sunrise Point-H USB 3.0 xHCI Controller (rev 31)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-H Thermal subsystem (rev 31)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-H Serial IO I2C Controller #0 (rev 31)
00:16.0 Communication controller: Intel Corporation Sunrise Point-H CSME HECI #1 (rev 31)
00:17.0 SATA controller: Intel Corporation Sunrise Point-H SATA controller [AHCI mode] (rev 31)
00:1b.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Root Port #17 (rev f1)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #1 (rev f1)
00:1c.2 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #3 (rev f1)
00:1c.4 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #5 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #9 (rev f1)
00:1d.4 PCI bridge: Intel Corporation Sunrise Point-H PCI Express Root Port #13 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Sunrise Point-H LPC Controller (rev 31)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-H PMC (rev 31)
00:1f.3 Audio device: Intel Corporation Device a171 (rev 31)
00:1f.4 SMBus: Intel Corporation Sunrise Point-H SMBus (rev 31)
00:1f.6 Ethernet controller: Intel Corporation Ethernet Connection (5) I219-V (rev 31)
01:00.0 VGA compatible controller: NVIDIA Corporation GM107GLM [Quadro M1200 Mobile] (rev a2)
01:00.1 Audio device: NVIDIA Corporation Device 0fbc (rev a1)
02:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961
04:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78)
3e:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961
# with GRUB_CMDLINE_LINUX_DEFAULT="acpi_osi=Linux thinkpad-acpi.brightness_enable=1":
$ grep . -R /sys/class/backlight/thinkpad_screen/*
/sys/class/backlight/thinkpad_screen/actual_brightness:0
/sys/class/backlight/thinkpad_screen/bl_power:0
/sys/class/backlight/thinkpad_screen/brightness:11
/sys/class/backlight/thinkpad_screen/max_brightness:15
/sys/class/backlight/thinkpad_screen/power/runtime_active_kids:0
/sys/class/backlight/thinkpad_screen/power/runtime_suspended_time:0
grep: /sys/class/backlight/thinkpad_screen/power/autosuspend_delay_ms: Input/output error
/sys/class/backlight/thinkpad_screen/power/runtime_enabled:disabled
/sys/class/backlight/thinkpad_screen/power/runtime_active_time:0
/sys/class/backlight/thinkpad_screen/power/control:auto
/sys/class/backlight/thinkpad_screen/power/async:disabled
/sys/class/backlight/thinkpad_screen/power/runtime_usage:0
/sys/class/backlight/thinkpad_screen/power/runtime_status:unsupported
grep: warning: /sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/subsystem: recursive directory loop
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_active_kids:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_suspended_time:0
grep: /sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/autosuspend_delay_ms: Input/output error
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_enabled:disabled
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_active_time:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/control:auto
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/async:disabled
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_usage:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/power/runtime_status:unsupported
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/max_brightness:15
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/type:platform
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/brightness:11
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/bl_power:0
/sys/class/backlight/thinkpad_screen/subsystem/thinkpad_screen/actual_brightness:0
/sys/class/backlight/thinkpad_screen/type:platform
3f:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS525A PCI Express Card Reader (rev 01)
---
ApportVersion: 2.20.7-0ubuntu3.7
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: mhoff 2207 F.... pulseaudio
/dev/snd/pcmC0D0p: mhoff 2207 F...m pulseaudio
/dev/snd/controlC0: mhoff 2207 F.... pulseaudio
/dev/snd/controlC2: mhoff 2207 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
DistroRelease: Ubuntu 17.10
HibernationDevice: RESUME=UUID=5d843303-18a4-4466-b711-98668a4d1172
InstallationDate: Installed on 2017-11-11 (86 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
MachineType: LENOVO 20HJS27B00
NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
Package: linux (not installed)
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.13.0-32-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro acpi_osi=Linux thinkpad-acpi.brightness_enable=1
ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13
RelatedPackageVersions:
linux-restricted-modules-4.13.0-32-generic N/A
linux-backports-modules-4.13.0-32-generic N/A
linux-firmware 1.169.2
Tags: artful
Uname: Linux 4.13.0-32-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip disk libvirt lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 07/24/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: N1UET37W (1.11 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20HJS27B00
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:bvrN1UET37W(1.11):bd07/24/2017:svnLENOVO:pn20HJS27B00:pvrThinkPadP51:rvnLENOVO:rn20HJS27B00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad P51
dmi.product.name: 20HJS27B00
dmi.product.version: ThinkPad P51
dmi.sys.vendor: LENOVO |
|
| 2018-02-05 18:50:21 |
Michael Hoff |
attachment added |
|
AlsaInfo.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049317/+files/AlsaInfo.txt |
|
| 2018-02-05 18:50:23 |
Michael Hoff |
attachment added |
|
CRDA.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049318/+files/CRDA.txt |
|
| 2018-02-05 18:50:24 |
Michael Hoff |
attachment added |
|
CurrentDmesg.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049319/+files/CurrentDmesg.txt |
|
| 2018-02-05 18:50:25 |
Michael Hoff |
attachment added |
|
IwConfig.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049320/+files/IwConfig.txt |
|
| 2018-02-05 18:50:26 |
Michael Hoff |
attachment added |
|
JournalErrors.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049321/+files/JournalErrors.txt |
|
| 2018-02-05 18:50:27 |
Michael Hoff |
attachment added |
|
Lspci.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049322/+files/Lspci.txt |
|
| 2018-02-05 18:50:29 |
Michael Hoff |
attachment added |
|
Lsusb.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049323/+files/Lsusb.txt |
|
| 2018-02-05 18:50:30 |
Michael Hoff |
attachment added |
|
ProcCpuinfo.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049324/+files/ProcCpuinfo.txt |
|
| 2018-02-05 18:50:31 |
Michael Hoff |
attachment added |
|
ProcCpuinfoMinimal.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049325/+files/ProcCpuinfoMinimal.txt |
|
| 2018-02-05 18:50:32 |
Michael Hoff |
attachment added |
|
ProcEnviron.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049326/+files/ProcEnviron.txt |
|
| 2018-02-05 18:50:33 |
Michael Hoff |
attachment added |
|
ProcInterrupts.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049327/+files/ProcInterrupts.txt |
|
| 2018-02-05 18:50:34 |
Michael Hoff |
attachment added |
|
ProcModules.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049328/+files/ProcModules.txt |
|
| 2018-02-05 18:50:35 |
Michael Hoff |
attachment added |
|
PulseList.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049329/+files/PulseList.txt |
|
| 2018-02-05 18:50:36 |
Michael Hoff |
attachment added |
|
RfKill.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049330/+files/RfKill.txt |
|
| 2018-02-05 18:50:38 |
Michael Hoff |
attachment added |
|
UdevDb.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049331/+files/UdevDb.txt |
|
| 2018-02-05 18:50:39 |
Michael Hoff |
attachment added |
|
WifiSyslog.txt https://bugs.launchpad.net/bugs/1747273/+attachment/5049332/+files/WifiSyslog.txt |
|
| 2018-02-05 18:51:19 |
Michael Hoff |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2018-02-08 17:00:45 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
Medium |
|
| 2018-02-08 17:00:58 |
Joseph Salisbury |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
| 2018-02-09 13:23:28 |
Michael Hoff |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2018-04-17 15:39:10 |
Rolf Leggewie |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
| 2018-06-17 04:17:32 |
Launchpad Janitor |
linux (Ubuntu): status |
Incomplete |
Expired |
|
| 2018-12-09 06:05:20 |
Alberto |
linux (Ubuntu): status |
Expired |
New |
|
| 2018-12-09 06:30:06 |
Ubuntu Kernel Bot |
linux (Ubuntu): status |
New |
Confirmed |
|
