** Changed in: xserver-xorg-video-intel
Importance: Unknown = Low
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Title:
[i945GM] xrandr backlight control is bizarre on Macbook
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** Changed in: xserver-xorg-video-intel
Importance: Low = Unknown
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Title:
[i945GM] xrandr backlight control is bizarre on Macbook
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** Changed in: linux (Ubuntu)
Status: Triaged = Fix Released
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[i945GM] xrandr backlight control is bizarre on Macbook
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Yes, this is entirely fixed for my Macbook 2,1 using the latest Lucid
liveCD! Brightness goes all the way from fully bright to pleasantly off
on the lowest notch natively.
I noticed that the highly related bug
https://bugs.launchpad.net/bugs/397617 was just marked Fix Released. I
believe that
2.6.32-19-generic seems to have fixed backlight control on my
Macbook2,1.
Drew, are you on Lucid to try this out?
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** Changed in: xserver-xorg-video-intel
Status: Confirmed = In Progress
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** Changed in: xserver-xorg-video-intel
Status: In Progress = Confirmed
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** Changed in: xserver-xorg-video-intel
Status: Confirmed = In Progress
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[i945GM] xrandr backlight control is bizarre on Macbook
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https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/397617 seems to be the bug for the missing backlight. If you
could chime in there with your specs and thoughts it might help. The
missing backlight is holding up testing of the wonky backlight =)
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[i945GM] xrandr
I've been using Karmic since Alpha 5, on my Macbook 2,1, and my
backlight is not adjustable at all either. The keyboard keys do
nothing, and the panel applet reports Cannot get laptop panel
brightness... Not sure whether this has to do with the kernel/xorg or
the new devicekit-power stuff.
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** Changed in: linux (Ubuntu)
Status: New = Triaged
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[i945GM] xrandr backlight control is bizarre on Macbook
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Berbhard, what hardware do you have? Also, I think we should have
separate bugs for separate releases (what's the usual policy in those
cases, anyway?)
I know, I don't have Macbook, but GM965... xserver-xorg-video-intel
updated to 2.9.0 today (yesterday?) and the problem is fixed for me now.
Yes, I have GM965 but not a Mac. Sorry, I always thought that these
symptoms were all one bug, but maybe they are not.
So please some feedback from Mac users!
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[i945GM] xrandr backlight control is bizarre on Macbook
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I've been using Karmic on my Macbook 2,1 since beta but cannot confirm
whether this bug is fixed for me since Karmic can't find a backlight
device _at all_. There discussion in the kernel mailing lists about a
possible fix for this new issue which is macbook specific. I'll update
this bug once
According to upstream, this will need a kernel fix; refiling.
** Package changed: xserver-xorg-video-intel (Ubuntu) = linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: Triaged = New
** Tags added: xorg-needs-kernel-fix
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[i945GM] xrandr backlight control is bizarre on Macbook
I had this problem with the old kernel in jaunty, but it's fixed for me
in karmic. So maybe we can set to Fix committed?
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[i945GM] xrandr backlight control is bizarre on Macbook
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Hi,
I'm on a Macbook2,1 with Intel GM945 chipset. I confirm that with Karmic
alpha 3, the behaviour of the brightness controls is much better. I
cannot, however, turn the backlight all the way off using the hotkeys as
Tim claims to have done. This is a minor issue, however. In general,
Karmic
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Low
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[i945GM] xrandr backlight control is bizarre on Macbook
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Thanks Tim, I've forwarded your bug upstream to
https://bugs.freedesktop.org/show_bug.cgi?id=22993 - please subscribe to
this bug in case upstream needs further information or wishes you to
test something. Thanks ahead of time!
** Bug watch added: freedesktop.org Bugzilla #22993
** Changed in: xserver-xorg-video-intel
Status: Unknown = Confirmed
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = Confirmed
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** Tags added: karmic
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I've deleted the references to the brightness-button problems I could
not reproduce in Karmic.
** Description changed:
Binary package hint: xserver-xorg-video-intel
- I'm using Jaunty on a second-generation Macbook (Macbook2,1 in Apple
- parlance) with an Intel 945GM graphics chip. Since at
Thanks for testing, and good news that some of the issues are resolved.
Would you mind updating the description of this bug to just discuss the
issues that still remain in Karmic? You can edit the description by
going to https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-
I burned the Karmic Koala Alpha 2 64-bit desktop image to a CD-RW,
booted off it, and tried reproducing the problem using the steps in
comment 0:
- Brightness keys on the keyboard can now turn the backlight off, which was
not previously possible.
- Brightness keys now navigate a reasonably
[This is an automatic notification.]
A new major version of the -intel driver is now available in Karmic.
This version includes a major reworking of the acceleration
architecture, which resolves a huge number of issues. We do not know
whether it resolves the issue you reported.
Would you mind
I also can verify this on Macbook 1,1. Also, the xrandr command above
fixes this issue for me too.
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Just confirming that on my Macbook2,1 the out-of-the-box behaviour of
Ubuntu 9.04 is to give chaotic brightness changes when hitting F1/F2,
and Aldrin's fix makes it work. This should be part of the installer.
Well done Aldrin.
Richard
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[i945GM] xrandr backlight control is bizarre on Macbook
I have a Macbook 1,1 and the fix works for me
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[i945GM] xrandr backlight control is bizarre on Macbook
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I filed a new bug which could be related to this issue.
Bug #370773.
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I have a Macbook2,1 with an Intel 945GM just like the original poster
and have been experiencing precisely the same symptoms (all the way down
to the behavior of each of the BACKLIGHT_CONTROL methods) as described
in this bug since I started using Jaunty sometime in the alphas. I have
just been
Thanks Aldrin! That solved my problem as well. Maybe we should join all
of those three bugs:
bug 356510
bug 365191
bug 367309
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[i945GM] xrandr backlight control is bizarre on Macbook
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Nice!
I confirm that running this command fixes the bug and the screen brightness
works better:
$ xrandr --output LVDS --set BACKLIGHT_CONTROL combination
Maybe (all/some?) macbook models should have BACKLIGHT_CONTROL
configured to combination. However, there is a feature that works in
MacOS X
** Summary changed:
- xrandr backlight control is bizarre on Macbook 945GM
+ [i945GM] xrandr backlight control is bizarre on Macbook
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[i945GM] xrandr backlight control is bizarre on Macbook
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** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Confirmed
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[i945GM] xrandr backlight control is bizarre on Macbook
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