Hi,
This is happening me in Ubuntu MATE 16.04.2 with guest additions from
repository or from CD.
But only happens with Marco Compton GPU compositor, not with other Marcos.
Thanks in advance!
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So you have a couple
Hi,
I have a Compaq Presario with Intel GM965/GL960, running Ubuntu 8.10
Intrepid. When booting, resuming after suspend, or switching terminals
with alt+ctrl+Fx, the monitor brightness increases to max. When
removing the video module with modprobe -r video, the screen
brightness stays constant
I have to unsubscribe because I bought a new laptop and the new one has
an nvidia-GPU..
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Starting up a virtual machine in a virtualbox changes the display brightness
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https://bugs.launchpad.net/bugs/241195
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It would be great if you could confirm that on ubuntu with an older
kernel. In any case, with Jaunty now open we'll be merging the new
xserver in fairly soon, so hopefully this issue should go away at that
point.
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Starting up a virtual machine in a virtualbox changes the display brightness
Bryce,
Hi. Sometime ago I changed my Ubuntu installations for Debian Lenny.
Even three months ago, this fixed the problems with Virtualbox, and also
with some suspend resume issues. I strongly suspect that the 2.6.24
kernel of Hardy was the problem; since I moved to Debian I've been using
2.6.26.
For what it's worth, on that toshiba laptop, I'm now running Debian
Lenny, although I took kernel 2.6.26 when it was still only in Sid. With
this kernel, no problems with the backlight. Lenny has xserver versions
pretty similar to Hardy, so I think the kernel may be the source of the
problem.
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** Tags added: valid-xorg-conf
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Okay, sounds like this will be fixed once the xserver in Debian's
experimental enters Ubuntu.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importance: Undecided = Medium
Status: Incomplete = Triaged
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Starting up a virtual machine in a virtualbox changes the display brightness
** Changed in: xserver-xorg-video-intel (Debian)
Status: Confirmed = Fix Released
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Starting up a virtual machine in a virtualbox changes the display brightness
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https://bugs.launchpad.net/bugs/241195
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** Also affects: xserver-xorg-video-intel (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490302
Importance: Unknown
Status: Unknown
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Starting up a virtual machine in a virtualbox changes the display brightness
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https://bugs.launchpad.net/bugs/241195
You
** Changed in: xserver-xorg-video-intel (Debian)
Status: Unknown = Confirmed
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Upstream
http://bugs.freedesktop.org/show_bug.cgi?id=16680
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Starting up a virtual machine in a virtualbox changes the display brightness
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I have now come to a workaround that I am happy with.
I still have acpi enabled, and I no longer get backlight resetting.
You can see the details here (which is of course for my Toshiba)
http://docs.google.com/Doc?docid=dgd53r6d_36hqmmh4hnhl=en
Meanwhile, upstream says this bug is probably
This is a weird bug.
On my machine, I discovered that I can predict that brightness level change by
using xbacklight.
I don't know how xbacklight works, but it does not follow the brightness
changes I get when pressing hotkeys.
But the value of backlight brightness that xbacklight reports is
I filed a bug report which was marked as a duplicate of this one.
I can easily reproduce the problem on my toshiba by running
xset dpms force on
In the case of my machine, this causes the backlight to go to max
brightness (can also see the bug by blanking the screen via a lid close
and then
driver recompile (removing that patch) makes no difference
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Also filed to http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=490302
where detailed log files can be found since reportbug attaches them
automatically.
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Starting up a virtual machine in a virtualbox changes the display brightness
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https://bugs.launchpad.net/bugs/241195
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Can anyone confirm that it works with the -18 Kernel? If so it is most
likely a kernel issue and should be reassigned.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Incomplete
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I can confirm even though I previous said it was working (two posts up).
The issue seems to be very sporadic for all three kernels.
I reverted back to -19 and reinstalled xserver-xorg-video-intel and it
seems to be less sporadic. It still happens, but I can usually suspend
my laptop, wake it up,
I had this problem with Kubuntu 8.10 host with the following kernels:
2.6.24-17-generic
2.6.24.19-generic
This problem went away with 2.6.24-18-generic so I've been using that
kernel for the time being.
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Starting up a virtual machine in a virtualbox changes the display brightness
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Changing from Incomplete New because requested attachments has been
uploaded..
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Incomplete = New
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Starting up a virtual machine in a virtualbox changes the display brightness
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https://bugs.launchpad.net/bugs/241195
You
I had a similar problem (Bug #201933) but it was fixed. Maybe the fix
interferes with your issue. If you still have the issue do the follow:
The easiest way is to install apt-src and then the Intel driver source package
with apt-src install xserver-xorg-video-intel . Afterwards go to the
Sorry, I've tried your solution at
https://bugs.launchpad.net/ubuntu/+source/vlc/+bug/201933/comments/18
And it won't work for me. I wonder where does the problem lies.
Yes it load intel module, but problem unfortunately still exist.
My laptop is fujitsu T4210, not sure does it varies between
Could someone else than me provide xorg.conf. I cannot reproduce the
issue and my xorg.conf is changed since I reported this issue.
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This is my xorg.conf
Upcoming attachments xorg log
** Attachment added: xorg.conf
http://launchpadlibrarian.net/15567152/xorg.conf
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** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/15567165/Xorg.0.log
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** Attachment added: Xorg.0.log.old
http://launchpadlibrarian.net/15567169/Xorg.0.log.old
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No, no change when I start a video (tried with totem).
I don't know what exact version but I know that we all considered it
fixed when I wrote this comment:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/207676/comments/14
I will attach the log files asap.
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** Attachment added: Xorg.0.log
http://launchpadlibrarian.net/15519704/Xorg.0.log
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Starting up a virtual machine in a virtualbox changes the display brightness
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** Attachment added: Xorg.0.log.old
http://launchpadlibrarian.net/15519714/Xorg.0.log.old
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Starting up a virtual machine in a virtualbox changes the display brightness
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Right now after a clean reboot I was unable to reproduce the problem. I
can see that I still run the same version of the driver though.
Strange..
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If it happens again please test it with VLC or Mplayer. I had a similar
problem, brightness reset after GDM or video player start but not with
Totem. Please also attacht your /etc/X11/xorg.conf .
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Starting up a virtual machine in a virtualbox changes the display brightness
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Yes, I've experience the same problem with VLC, Mplayer, and vmware server.
Totem seems okay.
I'm suspecting its the intel driver for laptop graphics problem since it
affects various applications.
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Starting up a virtual machine in a virtualbox changes the display brightness
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Please attach your /var/log/Xorg.0.log, /etc/X11/xorg.conf and the
output of apt-cache policy xserver-xorg-video-intel. Does the
brightness change also happen if you open a video?
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New = Incomplete
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Starting up a virtual machine
Sorry, ignore the apt-cache policy. Do you know the driver version which
worked last for you?
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The problem actually seems to be something else now (as well). This also
happens if I just reboot. After logging in my brightness is much too
low.
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