| 2014-04-16 18:30:35 |
Ursula Junque |
bug |
|
|
added bug |
| 2014-04-16 18:59:41 |
Ursula Junque |
description |
This happens on my X220, running trusty, linux 3.13.0-24-generic. It's the exact same problem discussed on https://bugzilla.redhat.com/show_bug.cgi?id=1067071. Discussed also on kernel mailing list: https://lkml.org/lkml/2014/2/19/720.
To reproduce, remove the X220 from the dock. The brightness is set to minimum (the screen is nearly unreadable) and the brightness control is broken, you can't adjust it by hardware keys.
My hardware:
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 21da
Kernel driver in use: i915
Docked on a ThinkPad mini dock series 3.
I have nothing much relevant in /var/log/syslog. Below there are excerpts of it when brightness is working:
Apr 16 14:55:37 galactica kernel: [79261.217384] [drm:asle_set_backlight], bclp = 0x800000ff
Apr 16 14:55:37 galactica kernel: [79261.217390] [drm:asle_set_backlight], updating opregion backlight 255/255
Apr 16 14:55:37 galactica kernel: [79261.217394] [drm:intel_panel_get_max_backlight], max backlight PWM = 4648
Apr 16 14:55:37 galactica kernel: [79261.217396] [drm:intel_panel_actually_set_backlight], set backlight PWM = 4590
Apr 16 14:55:37 galactica kernel: [79261.217537] [drm:asle_set_pwm_freq], PWM freq is not supported
And brightness not working:
Apr 16 15:23:46 galactica kernel: [80948.263160] [drm:asle_set_backlight], bclp = 0x80000058
Apr 16 15:23:46 galactica kernel: [80948.263168] [drm:asle_set_pwm_freq], PWM freq is not supported
Apr 16 15:23:46 galactica kernel: [80948.280637] [drm:asle_set_backlight], bclp = 0x80000041
Apr 16 15:23:46 galactica kernel: [80948.280642] [drm:asle_set_pwm_freq], PWM freq is not supported
A workaround is to echo values directly to /sys/class/backlight/intel_backlight/brightness. Maximum brightness is 4648 (/sys/class/backlight/intel_backlight/max_brightness).
e.g.: # echo 500 > /sys/class/backlight/intel_backlight/brightness
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic i686
ApportVersion: 2.14.1-0ubuntu2
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ursula 3881 F.... pulseaudio
/dev/snd/controlC0: ursula 3881 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Apr 16 15:09:23 2014
HibernationDevice: RESUME=UUID=68890e28-0eee-4184-9456-cc267c4a5f31
InstallationDate: Installed on 2013-05-27 (323 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213)
MachineType: LENOVO 4286CTO
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=4db5451d-c250-47bc-9c4e-235fb1967ee5 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2013-11-04 (162 days ago)
dmi.bios.date: 12/01/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET56WW (1.26 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4286CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8DET56WW(1.26):bd12/01/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4286CTO
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO |
This happens on my X220, running trusty, linux 3.13.0-24-generic. It's the exact same problem discussed on https://bugzilla.redhat.com/show_bug.cgi?id=1067071. Discussed also on kernel mailing list: https://lkml.org/lkml/2014/2/19/720. It worked on 3.12, and upstream acknowledges the regression.
To reproduce, remove the X220 from the dock. The brightness is set to minimum (the screen is nearly unreadable) and the brightness control is broken, you can't adjust it by hardware keys.
My hardware:
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 21da
Kernel driver in use: i915
Docked on a ThinkPad mini dock series 3.
I have nothing much relevant in /var/log/syslog. Below there are excerpts of it when brightness is working:
Apr 16 14:55:37 galactica kernel: [79261.217384] [drm:asle_set_backlight], bclp = 0x800000ff
Apr 16 14:55:37 galactica kernel: [79261.217390] [drm:asle_set_backlight], updating opregion backlight 255/255
Apr 16 14:55:37 galactica kernel: [79261.217394] [drm:intel_panel_get_max_backlight], max backlight PWM = 4648
Apr 16 14:55:37 galactica kernel: [79261.217396] [drm:intel_panel_actually_set_backlight], set backlight PWM = 4590
Apr 16 14:55:37 galactica kernel: [79261.217537] [drm:asle_set_pwm_freq], PWM freq is not supported
And brightness not working:
Apr 16 15:23:46 galactica kernel: [80948.263160] [drm:asle_set_backlight], bclp = 0x80000058
Apr 16 15:23:46 galactica kernel: [80948.263168] [drm:asle_set_pwm_freq], PWM freq is not supported
Apr 16 15:23:46 galactica kernel: [80948.280637] [drm:asle_set_backlight], bclp = 0x80000041
Apr 16 15:23:46 galactica kernel: [80948.280642] [drm:asle_set_pwm_freq], PWM freq is not supported
A workaround is to echo values directly to /sys/class/backlight/intel_backlight/brightness. Maximum brightness is 4648 (/sys/class/backlight/intel_backlight/max_brightness).
e.g.: # echo 500 > /sys/class/backlight/intel_backlight/brightness
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-24-generic 3.13.0-24.46
ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9
Uname: Linux 3.13.0-24-generic i686
ApportVersion: 2.14.1-0ubuntu2
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: ursula 3881 F.... pulseaudio
/dev/snd/controlC0: ursula 3881 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Apr 16 15:09:23 2014
HibernationDevice: RESUME=UUID=68890e28-0eee-4184-9456-cc267c4a5f31
InstallationDate: Installed on 2013-05-27 (323 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release i386 (20130213)
MachineType: LENOVO 4286CTO
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic root=UUID=4db5451d-c250-47bc-9c4e-235fb1967ee5 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-24-generic N/A
linux-backports-modules-3.13.0-24-generic N/A
linux-firmware 1.127
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2013-11-04 (162 days ago)
dmi.bios.date: 12/01/2011
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET56WW (1.26 )
dmi.board.asset.tag: Not Available
dmi.board.name: 4286CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvr8DET56WW(1.26):bd12/01/2011:svnLENOVO:pn4286CTO:pvrThinkPadX220:rvnLENOVO:rn4286CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 4286CTO
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO |
|
| 2014-04-16 19:00:15 |
Brad Figg |
linux (Ubuntu): status |
New |
Confirmed |
|
| 2014-04-16 19:14:11 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
Medium |
|
| 2014-04-16 19:16:12 |
Joseph Salisbury |
tags |
apport-bug i386 trusty |
apport-bug i386 kernel-da-key trusty |
|
| 2014-04-16 19:17:25 |
Joseph Salisbury |
linux (Ubuntu): status |
Confirmed |
Triaged |
|
| 2014-04-16 19:17:51 |
Joseph Salisbury |
bug watch added |
|
https://bugzilla.redhat.com/show_bug.cgi?id=1067071 |
|
| 2014-04-16 19:17:51 |
Joseph Salisbury |
bug task added |
|
linux |
|
| 2014-04-19 21:33:50 |
penalvch |
tags |
apport-bug i386 kernel-da-key trusty |
apport-bug bios-outdated-1.39 i386 kernel-da-key trusty |
|
| 2014-04-19 21:35:26 |
penalvch |
bug task added |
|
linux (Fedora) |
|
| 2014-04-19 21:35:38 |
penalvch |
linux: importance |
Unknown |
Undecided |
|
| 2014-04-19 21:35:38 |
penalvch |
linux: status |
Unknown |
New |
|
| 2014-04-19 21:35:38 |
penalvch |
linux: remote watch |
Red Hat Bugzilla #1067071 |
|
|
| 2014-04-19 21:36:23 |
penalvch |
linux (Ubuntu): status |
Triaged |
Incomplete |
|
| 2014-04-28 00:44:29 |
penalvch |
summary |
On a X220, kernel 3.13 i915 brightness settings broken when going from docked -> undocked |
[Lenovo ThinkPad X220] kernel 3.13 i915 brightness settings broken when going from docked -> undocked |
|
| 2014-05-30 00:10:46 |
Siddharth Agarwal |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2014-05-30 00:20:05 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
| 2014-06-05 15:23:12 |
tserries |
bug |
|
|
added subscriber LVM |
| 2014-06-05 15:25:12 |
tserries |
bug |
|
|
added subscriber tserries |
| 2014-06-05 16:09:24 |
tserries |
bug watch added |
|
https://bugs.freedesktop.org/show_bug.cgi?id=75001 |
|
| 2014-08-15 18:22:23 |
Daniel Hahler |
linux (Ubuntu): status |
Incomplete |
Triaged |
|
| 2014-08-15 18:22:41 |
Daniel Hahler |
bug |
|
|
added subscriber Daniel Hahler |
| 2014-08-23 15:07:16 |
penalvch |
linux (Ubuntu): status |
Triaged |
Incomplete |
|
| 2014-08-29 08:06:28 |
Roger Kind Kristiansen |
bug |
|
|
added subscriber Roger Kind Kristiansen |
| 2014-08-29 08:11:11 |
Will Cooke |
bug |
|
|
added subscriber Will Cooke |
| 2014-10-01 18:28:51 |
Akif D. |
bug |
|
|
added subscriber adnc |
| 2014-10-02 22:35:25 |
Matthias Baur |
bug |
|
|
added subscriber Matthias Baur |
| 2014-10-08 19:33:54 |
Muelli |
bug |
|
|
added subscriber Muelli |
| 2014-12-15 13:56:33 |
Spam Trash |
bug |
|
|
added subscriber Ondra Žižka |
| 2015-06-03 17:32:47 |
Andrew |
bug |
|
|
added subscriber Andrew |
| 2015-10-06 14:58:15 |
Wojtek Majewski |
bug |
|
|
added subscriber Wojtek Majewski |
| 2017-10-27 07:01:55 |
Bug Watch Updater |
linux (Fedora): status |
Unknown |
Fix Released |
|
| 2017-10-27 07:01:55 |
Bug Watch Updater |
linux (Fedora): importance |
Unknown |
Undecided |
|
| 2017-10-27 12:16:10 |
penalvch |
bug task deleted |
linux (Fedora) |
|
|
| 2017-10-27 12:16:16 |
penalvch |
bug task deleted |
linux (Ubuntu) |
|
|
| 2017-10-27 12:16:58 |
Launchpad Janitor |
linux (Ubuntu): status |
New |
Confirmed |
|
| 2017-10-27 12:16:58 |
penalvch |
affects |
linux |
linux (Ubuntu) |
|
| 2017-10-27 12:16:58 |
penalvch |
linux (Ubuntu): status |
New |
Invalid |
|
