Comment 22 for bug 847001

I haven't tested this on 13.04 yet.
I kind of prefer Centos now as it seems more stable and long-term supported,
and I'd rather have my apps running smoothly on a stable yet secure system.

On Sun, Apr 28, 2013 at 3:32 AM, Sparhawk <email address hidden> wrote:

> I'm not sure if it's related, but I cannot change brightness at all any
> more on my Dell l xps 17 l702x, since the upgrade to (k)ubuntu 13.04.
>
> More info here https://forum.kde.org/viewtopic.php?f=63&t=110984
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/847001
>
> Title:
> Adjusting display brightness is very slow on several Dell laptops
>
> Status in “gnome-power-manager” package in Ubuntu:
> Confirmed
>
> Bug description:
> Changing the brightness via FN key combination or via the brightness
> applet is very slow.
> the CPUs don't seem to go to 100%, but the adjustment process seems
> relatively slow.
> The mouse cursor is also sluggish.
> Reinstalled the OS twice, but not because of this issue and the problem
> seems to persist.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 11.04
> Package: gnome-power-manager 2.32.0-2ubuntu2.1
> ProcVersionSignature: Ubuntu 2.6.38-11.48-generic 2.6.38.8
> Uname: Linux 2.6.38-11-generic x86_64
> Architecture: amd64
> Date: Sun Sep 11 15:29:02 2011
> GnomeSessionIdleInhibited: No
> GnomeSessionInhibitors: None
> GnomeSessionSuspendInhibited: No
> InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64
> (20110427)
> MachineType: Dell Inc. Latitude E5410
> ProcEnviron:
> LANGUAGE=en_US:en
> LANG=en_US.UTF-8
> SHELL=/bin/bash
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-11-generic
> root=UUID=0dfaacc9-c19d-425b-963d-dabb87ae18bc ro quiet splash vt.handoff=7
> SourcePackage: gnome-power-manager
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 01/28/2011
> dmi.bios.vendor: Dell Inc.
> dmi.bios.version: A09
> dmi.board.name: 05C67D
> dmi.board.vendor: Dell Inc.
> dmi.board.version: A00
> dmi.chassis.type: 9
> dmi.chassis.vendor: Dell Inc.
> dmi.modalias:
> dmi:bvnDellInc.:bvrA09:bd01/28/2011:svnDellInc.:pnLatitudeE5410:pvr0001:rvnDellInc.:rn05C67D:rvrA00:cvnDellInc.:ct9:cvr:
> dmi.product.name: Latitude E5410
> dmi.product.version: 0001
> dmi.sys.vendor: Dell Inc.
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/gnome-power-manager/+bug/847001/+subscriptions
>

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