** Changed in: hal
Importance: Unknown = Wishlist
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Title:
Dell Laptops don't talk to HAL about brightness correctly
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** Changed in: hal
Importance: Wishlist = Unknown
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Title:
Dell Laptops don't talk to HAL about brightness correctly
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Applet says Cannot get laptop panel brightness on my HP Pavillion using
Ubuntu 10.04 LTS - the Lucid Lynx
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Bugs, which
I am the getting cannot get laptop panel brightness on my HP dv3510nr
laptop with UBUNTU 9.04 jaunty Jackalope alpha 6. I can't adjust
brightness with FN keys or with the slider on the brightness applet.
Please help.
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Dell Laptops don't talk to HAL about brightness correctly
Hi, I'm having this same problem on a Gateway MX6440 laptop too. The
symptoms are similar, I am able to use keyboard functions to adjust the
brightness, but not the applet. I've loaded the dcdbas kernel module
as suggested by this thread, but it has not helped.
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Dell Laptops don't talk to HAL
Vyas,
you can check if you have the dcdbas kernel module loaded by issuing: 'sudo
lsmod | grep dcdbas' in a terminal without the ticks.
To load the dcdbas kernel module, issue 'sudo modprobe dcdbas'
You might need to restart hal after loading the kernel module to get the
backlight working.
This
With the currently used kernel, it's not possible to load this module
automatically (I think this will be available in hardy+1). But it's easy
to get your system load this module at boot time, but adding 'dcdbas' in
one empty line of the file '/etc/modules'. You can do this by issuing
the
This does not work even if the module is loaded and running. Please
advise
On Tue, Mar 25, 2008 at 2:48 PM, Christian Schuerer [EMAIL PROTECTED] wrote:
With the currently used kernel, it's not possible to load this module
automatically (I think this will be available in hardy+1). But it's easy
This also does not work even if the module is loaded and running. Please
advise
On Tue, Mar 25, 2008 at 7:50 AM, Erik Andrén [EMAIL PROTECTED]
wrote:
Vyas,
you can check if you have the dcdbas kernel module loaded by issuing:
'sudo lsmod | grep dcdbas' in a terminal without the ticks.
To
Vyas,
please make sure you have loaded the dcdbas kernel module.
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I do not know how to check/ add dcdbas module. All references to it go to
yum and I have not been able to install/ start/ check it
Please help
Thanks,
Vs
On Mon, Mar 24, 2008 at 3:38 AM, Erik Andrén [EMAIL PROTECTED] wrote:
Vyas,
please make sure you have loaded the dcdbas kernel module.
--
I still have the problem with Dell Inspiron 2200. I was able to change
the brightness a while back but now I am not able to. Is there any
solution? I use Ubuntu 7.10
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Vyas, do you have a BIOS password set?
Does the command dellLcdBrightness give any error messages?
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I do not have any BIOS password. The output of the following commands :
-
[EMAIL PROTECTED]:~$ sudo dellLcdBrightness
[sudo] password for ejvyas:
Read Battery Mode Setting
current: 0
min: 0
max: 7
[EMAIL PROTECTED]:~$ dellLcdBrightness
An Error occurred. The Error message is:
Ubuntu-2.6.24-4.6
** Changed in: linux (Ubuntu)
Status: Fix Committed = Fix Released
** Changed in: linux (Ubuntu)
Assignee: Amit Kucheria (amitk) = (unassigned)
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Dell Laptops don't talk to HAL about brightness correctly
https://bugs.launchpad.net/bugs/43572
You received this bug
*** Computer Model ***
Dell Vostro 1500
*** Platform ***
Xubuntu Hardy 8.04 Alpha 3
I have perfect control over the brightness of my screen by using Fn + Arrow
Up / Arrow Down
I can control the brightness under:
* Windows (8 brightness rates)
* Xubuntu (5 brightness rates)
* Grub (8 brightness
Pushed to Hardy
Commit id: 9eaf004cccff7a517e4452d1a4b6bf6324f54fb0
** Changed in: linux (Ubuntu)
Status: In Progress = Fix Committed
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You received this bug notification because you are a
Amit, please look at the URL in comment #44 and see about pulling this
patch into our 2.6.24 tree.
For others, please note that this will likely not be accepted for gutsy.
It's a simple fix, but it's also a simple workaround (add dcdbas to
/etc/modules). I would rather not take the change that
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
Assignee: (unassigned) = Ubuntu Kernel Team (ubuntu-kernel-team)
Status: New = Triaged
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You received this bug notification
I just tested Hardy Alpha 1 on my Dell Inspiron 510m.
The slider now appears in GPM, but the settings on the slider do not
actually affect the brightness level.
On a related note, the brightness icon that appears on the screen when
one uses the hotkeys no longer shows the correct brightness.
** Tags removed: hardy-kernel-candidate
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I have an Inspiron 1501, and have installed the hal and libsmbios packaged from
hardy and put dcdbas in /etc/modules, but I still cant control my backlight.
The gnome-power-manager applet does show a brightness slider now though, but it
does nothing.
Setting the backlight using the
I'm a new linux user and i choose ubuntu to install in my dell vostro 1000.
I would like to know if someone wrote a tutorial (step-by-step) about the
solution for problem with brightness (fn key doesn't work and slider control
doens't show).
Thanks for help.
--
Dell Laptops don't talk to HAL
libsmbios doesn't support Vostro bioses yet. See [1].
[1] http://lists.us.dell.com/pipermail/libsmbios-
devel/2007-October/000382.html
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** Tags added: hardy-kernel-candidate
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A kernel patch [1] is queued up for 2.6.25 that implements DMI-based
autoloading of the dcdbas-module.
This means that this issue will, in time, be resolved.
Close the bug?
[1] http://lkml.org/lkml/2007/10/29/416
--
Dell Laptops don't talk to HAL about brightness correctly
Thank you for the pointer to the upstream patch! I opened a kernel task,
we should pull this patch into Hardy's kernel even if it doesn't make it
into 2.6.24 upstream.
** Also affects: linux-source-2.6.22 (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-source-2.6.22
Erik,
the ideal solution would be to fix the kernel module to load
automatically on hardware which requires it (through modaliases). If
this is not possible, we need a recipe how to detect when to load the
module. In that case it should be done in an init script or an udev
rule.
--
Dell Laptops
** Changed in: hal (Ubuntu)
Assignee: (unassigned) = Martin Pitt (pitti)
Status: Confirmed = In Progress
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hal (0.5.10-1ubuntu1) hardy; urgency=low
* Redo the bzr branch of this package as clean fork from the Debian svn
(https://code.launchpad.net/~ubuntu-core-dev/hal/debian, thanks bzr-svn!)
and commit the remaining relevant Ubuntu patches to it:
Great!
Martin, there's still the issue that the dcdbas kernel module needs manual
loading at bootup to get this to work.
What's the proper approach to getting this issue resolved?
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You received
Not sure if the bug report belongs here as the hardware is different but
there seem to be many report of similar bugs so tell me if I should
report somewhere else.
I have a thinkpad x20. Up till now (dapper, edgy, feisty) I could change the
screen brightness by using
fn + home or fn+end. This
insyzygy: This bug is specific to Dell laptops that use the smbios
interface to control the brightness.
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Ok, I've added it to the inclusion queue.
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You should add it to https://wiki.ubuntu.com/UbuntuMainInclusionQueue
once it's ready.
I'd add links to the cve databases, and to bugs in debian and ubuntu, as
in https://wiki.ubuntu.com/MainInclusionReportTracker
--
Dell Laptops don't talk to HAL about brightness correctly
I'm running gutsy, updated today (20070918), and still have issues with the
backlight.
The function keys increase/decrease the brightness as normal, but the Power
Manager Brightness Applet still can't control the brightness, and I don't see
the option to dim the screen after a certain amount
There's still no change from the ubuntu camp on this one. Follow my
instructions in the blueprint or my comments from 2007-05-14 to enable
backlight support.
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Thanks Erik, i grabbed the source for the package (and dependencies including
libsmbios, compiled and installed the deb, added the module dcdbas to
/etc/modules and it worked fine (on a dell d620).
Looks like the debs in gutsy still aren't built with dell-backlight support
correctly - they
Yeah, that's because the build machine haven't got libsmbios installed
which, in turn, makes the configure disable building the dell-backlight
files.
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You need a MainInclussionRequest, see
https://wiki.ubuntu.com/UbuntuMainInclusionRequirements
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You received this bug notification because you are a member of Ubuntu
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I've taken a first stab at the main inclusion request at
https://wiki.ubuntu.com/MainInclusionReportLibsmbios
Please review.
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Ok, after some days keeping eyes on it,
I can say that the issue is about the lid switch
management of the new hal package, in fact
if I suspend/resume by my Fn keys and then
I close the lid everything is working as expected.
Moreover, a couple of times my notebook suspended
in a wrong way with
Uhmmm
I've just found that there's something wrong with
this patch: when my notebook resumes from suspend/hibernate
the backlight doesn't turn off anymore when the session expires :-(
so I'have to manually restart hal or gnome-power-manager...
Any suggestions?
Thank you again
Roberto
--
Ok, I've just followed your instructions and everything
is working perfectly: i can adjust brightness either by
th Fn keys and the gnome-brightness-applet, moreover
gnome-power-manager now lets me set different brightness
for ac/battery.
Thank you all!
Roberto
--
Dell Laptops don't talk to HAL
Roberto,
On my Dell D600, I could also use the Fn Keys to increase and decrease the
brightness, and the brightness applet was not working before too. After I have
performed the instructions, when I use those keys, it is behaving as before
(from an end user point of view). I mean, if I press
I'm wondering if libsmbios will need to be moved from Universe to Main before
this can be done. That would mean a Main Inclusion Report:
https://wiki.ubuntu.com/MainInclusionProcess
It would be great to have some developer guidance on this as it seems
there is little left to be done if we knew
Hi all,
I've got a Dell 500m running Feisty and brightness is working for me
but only through the Fn keys: brightness applet/g-p-m aren't able to
read/write the value in the bios.
So, I wonder if I follow the instructions from Huygens will I have
the brightness increased/decreased twice each
Ok, I've filed a blueprint for this issue. Hopefully a developer picks it up
and implements the few changes needed.
You may find the blueprint here:
https://blueprints.launchpad.net/ubuntu/+spec/dell-backlight-support
--
Dell Laptops don't talk to HAL about brightness correctly
Nice initiative Erik :-) thanks for your work!
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The HAL release, which includes the fix, is in the Gutsy Gibbon repository and
has been back-ported to Feisty.
However, even though the source code, which corresponds to the Ubuntu 7.04
back-ported package (0.5.9-1ubuntu2~feisty1, see
http://packages.ubuntu.com/feisty-backports/source/hal),
Huygens, Bug #92194 describes the issue at hand. Basically the build machine
probably didn't have libsmbios installed and thus did not the dell addon got
built.
You can easily rebuild the module by first typing apt-get source hal in an
empty directory. Enter the hal directory and issue sudo
Sorry, I lied, you need the 0.13.4 version of the libsmbios library, shipped
with feisty is only 0.12.1. So you basically need to wait until Gutsy is
released :(.
You can of course manually try to compile a new version of the libsmbios
library but this is if course more complicated.
--
Dell
Thank you Erik. I have tried in parallel to compile the source package that I
had manually downloaded (including the patch). Roughly, here
(http://www.berthon.eu/wiki/foss:ubuntu:wikishelf:hal:feisty) is an history of
what I executed.
After rebooting, I issued the modprobe command to load the
You are a King Erik :-)
I did install libsmbios from the Gutsy source and now the LCD brightness is
working :-)
I have updated the page. It is kind of raw/rough at the moment, I will later in
the week update it.
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Dell Laptops don't talk to HAL about brightness correctly
Oops, I meant by updating the page, that one:
http://www.berthon.eu/wiki/foss:ubuntu:wikishelf:hal:feisty
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Erik, bug fixes are not features, it's perfectly reasonable to backport
fixes from upstream. Do you have a GITweb URL or a patch handy? Please
also test this, I can't (I don't have the hardware).
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Any update about getting this in Feisty?
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As feisty now is in feature freeze mode (See
https://wiki.ubuntu.com/FeistyReleaseSchedule) you'll need to wait until
feisty + 1 :/
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You´re a star, Erik!
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I would like this in my Edgy
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I'm afraid Edgy is out of the question. Either a patch is included to
give feisty that functionality or it's going in feisty+1 as ubuntu syncs
with the updated debian package.
** Changed in: hal (Ubuntu)
Status: Unconfirmed = Confirmed
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Dell Laptops don't talk to HAL about brightness
** Changed in: hal (upstream)
Status: Confirmed = Fix Released
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Current mainline hal now supports this. I can backport a patch and
attach it to this bug if there's interest of getting this into feisty.
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** Changed in: hal (upstream)
Status: Unknown = Confirmed
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I've filed a bug upstream and assigned that to you, Richard, as you
seemed interested. I'll unassign the Ubuntu bug from you.
** Bug watch added: Freedesktop Bugzilla #7221
https://bugs.freedesktop.org/show_bug.cgi?id=7221
** Also affects: hal (upstream) via
Some links for anyone interested:
http://www.ussg.iu.edu/hypermail/linux/kernel/0602.0/2221.html
http://lists.us.dell.com/pipermail/libsmbios-devel/2006-February/thread.html#177
http://linux.dell.com/libsmbios/main/
http://packages.ubuntu.com/dapper/admin/libsmbios-bin
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