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** Changed in: linux (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1229591
Title:
8086:0116 [Dell Inspiron 14z (N411z)] Display brightness keys don't
generate evdev events after saucy upgrade
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
On raring (and precise) the display brightness keys (fn+f4 and fn+f5)
on my Dell Inspiron 14z turned the brightness up and down. After a
saucy upgrade this no longer happens (I don't see the popup brightness
bubble either). The other, similar keys (volume adjustment, etc)
still work fine.
Changing the values in /sys/class/backlight/intel_backlight/brightness
works (temporarily - it gets reset after the screen lock kicks in)
I tried following the instructions in
https://wiki.ubuntu.com/Hotkeys/Troubleshooting but this appears to be
out of date (it references /usr/share/doc/udev/README.keymap.txt which
does not exist)
Ubuntu kernel version bisect revealed:
First bad Ubuntu kernel: 3.11.0-0.2
last good Ubuntu kernel: 3.10.0-6.17
The results of a commit bisect are pending.
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ApportVersion: 2.12.4-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: chris 2646 F.... pulseaudio
DistroRelease: Ubuntu 13.10
EcryptfsInUse: Yes
InstallationDate: Installed on 2011-11-18 (675 days ago)
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
MachineType: Dell Inc. Dell System Inspiron N411Z
MarkForUpload: True
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-8-generic
root=UUID=8bcbab07-7d4f-4c89-b6db-54aeed6ad1c4 ro quiet splash pcie_aspm=force
i915.i915_enable_rc6=1 vt.handoff=7
ProcVersionSignature: Ubuntu 3.11.0-8.15-generic 3.11.1
RelatedPackageVersions:
linux-restricted-modules-3.11.0-8-generic N/A
linux-backports-modules-3.11.0-8-generic N/A
linux-firmware 1.114
Tags: saucy
Uname: Linux 3.11.0-8-generic x86_64
UpgradeStatus: Upgraded to saucy on 2013-09-21 (2 days ago)
UserGroups: adm admin cdrom davfs2 dialout lpadmin plugdev sambashare
dmi.bios.date: 09/10/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A06
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 0P01VP
dmi.board.vendor: Dell Inc.
dmi.board.version: FAB1
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: 0.1
dmi.modalias:
dmi:bvnDellInc.:bvrA06:bd09/10/2012:svnDellInc.:pnDellSystemInspironN411Z:pvr:rvnDellInc.:rn0P01VP:rvrFAB1:cvnDellInc.:ct8:cvr0.1:
dmi.product.name: Dell System Inspiron N411Z
dmi.sys.vendor: Dell Inc.
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