Did this issue start happening after an update/upgrade? Was there a
prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.10 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as
"Confirmed".
Thanks in advance.
[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.10-rc4
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1656592
Title:
Samsung Notebook backlight doesn't change levels
Status in linux package in Ubuntu:
Incomplete
Bug description:
Samsung Notebook's (version P05ADG) backlight doesn't change levels,
even using function keys or system apps.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-47-generic 4.4.0-47.68
ProcVersionSignature: Ubuntu 4.4.0-47.68-generic 4.4.24
Uname: Linux 4.4.0-47-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC0: olivia 3486 F pulseaudio
CurrentDesktop: Unity
Date: Sat Jan 14 19:05:14 2017
HibernationDevice: RESUME=UUID=037b9eb5-d8cf-4b0d-bd1a-baaafd5befbf
InstallationDate: Installed on 2016-11-15 (60 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
MachineType: SAMSUNG ELECTRONICS CO., LTD. 670Z5E
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-47-generic.efi.signed
root=UUID=3e21c5be-6824-4131-8250-caeb22b8e3bb ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-47-generic N/A
linux-backports-modules-4.4.0-47-generic N/A
linux-firmware1.157.2
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/21/2014
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P05ADG.010.140421.SH
dmi.board.asset.tag: No Asset Tag
dmi.board.name: NP670Z5E-XD1BR
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.:bvrP05ADG.010.140421.SH:bd04/21/2014:svnSAMSUNGELECTRONICSCO.,LTD.:pn670Z5E:pvrP05ADG:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP670Z5E-XD1BR:rvrSEC_SW_REVISION_1234567890ABCD:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
dmi.product.name: 670Z5E
dmi.product.version: P05ADG
dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
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