rich painter, the next step is to fully commit bisect from kernel 3.19
to 4.4 in order to identify the last good kernel commit, followed
immediately by the first bad one. This will allow for a more expedited
analysis of the root cause of your issue. Could you please do this
following https://wiki.ubuntu.com/Kernel/KernelBisection ?
Please note, finding adjacent kernel versions is not fully commit
bisecting.
Also, the kernel release names are irrelevant for the purposes of
bisecting.
It is most helpful that after the fix commit (not kernel version) has
been identified, you then mark this report Status Confirmed.
Thank you for your help.
** Tags added: kernel-bug-exists-upstream-4.9
** Tags added: needs-bisect
** 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/1645985
Title:
ubuntu 1404_HWE_EOL kernel breaks Thinkpad T530 keyboard backlight
operation
Status in linux package in Ubuntu:
Incomplete
Bug description:
Using kernel 3.19.0-66-generic the keyboard backlight and screen-top
illuminator work.
However, after upgrading to kernel 4.4 the keyboard backlight and
screen-top illuminator come on without hitting the special keys. When
it returns from screen saver when I hit the return key these lights
come on also.
---
ApportVersion: 2.14.1-0ubuntu3.21
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: painter 3092 F.... pulseaudio
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=05f2d9dc-173d-41bc-8332-7d0a6e7394fa
InstallationDate: Installed on 2014-11-23 (741 days ago)
InstallationMedia: Ubuntu-GNOME 14.04.1 LTS "Trusty Tahr" - Release amd64
(20140722.2)
MachineType: LENOVO 2359CTO
Package: linux (not installed)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-51-generic
root=UUID=349d96ad-2412-45a5-b1d9-46eb9050bce1 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.4.0-51.72~14.04.1-generic 4.4.30
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No
PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-4.4.0-51-generic N/A
linux-backports-modules-4.4.0-51-generic N/A
linux-firmware 1.127.22
Tags: trusty
Uname: Linux 4.4.0-51-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
_MarkForUpload: True
dmi.bios.date: 09/10/2015
dmi.bios.vendor: LENOVO
dmi.bios.version: G4ETA5WW (2.65 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2359CTO
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: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrG4ETA5WW(2.65):bd09/10/2015:svnLENOVO:pn2359CTO:pvrThinkPadT530:rvnLENOVO:rn2359CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2359CTO
dmi.product.version: ThinkPad T530
dmi.sys.vendor: LENOVO
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