| 2016-01-23 06:14:36 |
Andrey Makeev |
bug |
|
|
added bug |
| 2016-01-23 06:14:36 |
Andrey Makeev |
attachment added |
|
backlight_bug_report.tar.gz https://bugs.launchpad.net/bugs/1537324/+attachment/4555228/+files/backlight_bug_report.tar.gz |
|
| 2016-01-23 06:30:14 |
Brad Figg |
linux (Ubuntu): status |
New |
Confirmed |
|
| 2016-01-23 06:39:08 |
Andrey Makeev |
summary |
No brightness control on Samsung NP530U4E-K10RU |
No brightness control on Samsung NP530U4E-K01RU |
|
| 2016-01-23 06:39:21 |
Andrey Makeev |
description |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model is: NP530U4E-K10RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn + F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness changes, but actual screen brightness is the same.
All the logs are in the attached archive.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model: NP530U4E-K01RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn + F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness changes, but actual screen brightness is the same.
All the logs are in the attached archive.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
|
| 2016-01-23 06:39:56 |
Andrey Makeev |
description |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model: NP530U4E-K01RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn + F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness changes, but actual screen brightness is the same.
All the logs are in the attached archive.
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model: NP530U4E-K01RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn + F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness changes, but actual screen brightness is the same.
All the logs are in the attached archive backlight_bug_report.tar.gz
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
|
| 2016-01-23 06:41:28 |
Andrey Makeev |
description |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model: NP530U4E-K01RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn + F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness changes, but actual screen brightness is the same.
All the logs are in the attached archive backlight_bug_report.tar.gz
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model: NP530U4E-K01RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn+F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness changes, but actual screen brightness is the same.
All the logs are in the attached archive backlight_bug_report.tar.gz
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
|
| 2016-01-23 06:49:23 |
Andrey Makeev |
description |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model: NP530U4E-K01RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn+F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness changes, but actual screen brightness is the same.
All the logs are in the attached archive backlight_bug_report.tar.gz
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
Backlight control does not work, but there are entries in /sys/class/backlight.
Laptop model: NP530U4E-K01RU
Video adapter: Intel HD graphics 4000
I've tried all the suggestions from https://wiki.ubuntu.com/Kernel/Debugging/Backlight
kernel parameters acpi_backlight=vendor, video.use_bios_initial_backlight=0, video.use_native_backlight=1 didn't work.
In this laptop brightness is controlled by Fn+F2 and Fn+F3. Whenever i try to change brightness, the value in /sys/class/backlight/intel_backlight/brightness and /sys/class/backlight/intel_backlight/actual_brightness changes, but actual screen brightness is the same:
$ grep . /sys/class/backlight/intel_backlight/*
/sys/class/backlight/intel_backlight/actual_brightness:2792
/sys/class/backlight/intel_backlight/bl_power:0
/sys/class/backlight/intel_backlight/brightness:2792
grep: /sys/class/backlight/intel_backlight/device: Is a directory
/sys/class/backlight/intel_backlight/max_brightness:4648
grep: /sys/class/backlight/intel_backlight/power: Is a directory
grep: /sys/class/backlight/intel_backlight/subsystem: Is a directory
/sys/class/backlight/intel_backlight/type:raw
All the logs are in the attached archive backlight_bug_report.tar.gz
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: linux-image-4.2.0-25-generic 4.2.0-25.30
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
CurrentDesktop: Unity
Date: Sat Jan 23 09:55:32 2016
HibernationDevice: RESUME=UUID=9d4a6619-c5f9-46c2-b11b-e230e9d357e3
InstallationDate: Installed on 2014-05-20 (613 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 530U4E/540U4E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-25-generic root=UUID=686fa320-83d1-4015-a632-bb2a91390ab6 ro quiet splash video.use_bios_initial_backlight=0 vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.2.0-25-generic N/A
linux-backports-modules-4.2.0-25-generic N/A
linux-firmware 1.149.3
SourcePackage: linux
UpgradeStatus: Upgraded to wily on 2015-11-25 (58 days ago)
dmi.bios.date: 02/26/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P08ACM.065.140226.dg
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP530U4E-K01RU
dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.board.version: SEC_SW_REVISION_1234567890ABCD
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP08ACM.065.140226.dg:bd02/26/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn530U4E/540U4E:pvrP08ACM:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP530U4E-K01RU:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 530U4E/540U4E
dmi.product.version: P08ACM
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. |
|
| 2016-01-25 14:40:36 |
Joseph Salisbury |
linux (Ubuntu): importance |
Undecided |
Medium |
|
| 2016-01-25 14:40:59 |
Joseph Salisbury |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
| 2016-01-25 17:51:16 |
Andrey Makeev |
tags |
amd64 apport-bug wily |
amd64 apport-bug kernel-bug-exists-upstream wily |
|
| 2016-01-25 17:55:15 |
Andrey Makeev |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2016-01-26 07:12:39 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Incomplete |
|
| 2016-01-26 10:38:40 |
Andrey Makeev |
bug watch added |
|
http://bugzilla.kernel.org/show_bug.cgi?id=108971 |
|
| 2016-01-26 10:38:49 |
Andrey Makeev |
linux (Ubuntu): status |
Incomplete |
Confirmed |
|
| 2016-01-26 10:55:54 |
penalvch |
tags |
amd64 apport-bug kernel-bug-exists-upstream wily |
amd64 apport-bug cherry-pick kernel-fixed-upstream wily |
|
| 2016-01-26 10:56:02 |
penalvch |
linux (Ubuntu): status |
Confirmed |
Triaged |
|
