This bug report expired because 17.04 is not supported anymore. Did
anyone recreate a corresponding bug report for a more recent version of
Ubuntu? If so, can you please publish the link so we can subscribe to
it?
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Since I reinstalled Ubuntu 18.04, I do not have this problem anymore. I
believe that a bug still lay hidden somewhere but the conditions to
activate it is gone.
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Ok, so I upgraded my Lenovo w510 to Ubuntu 16.04 LTS Xenial Xerus and
the problem persists. The fix I provide works, though when changing the
brightness, it is jerky, i.e. it flashes between a low level and the
actual selected level. But once the desired level reached, all is good.
So, can we fi
This LTS Enablement Stack scares me a lot; I do not want to screw my
system. So if I understand you correctly, I should return to my
previous state with the following command, right?
sudo apt-get remove linux-generic-lts-vivid xserver-xorg-core-lts-vivid
xserver-xorg-lts-vivid xserver-xorg-video-
M. Penalver, the link you provide does not indicate how to revert such a
change. I want to keep my OS LTS, not having it become obsolete in a
few months. Are you in contact with the people that created that link
and can you ask them to document the rollback procedure so I can return
to a pure 14.
** Also affects: nvidia
Importance: Undecided
Status: New
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Title:
Brightness controls are not working in Unity / Xorg because of N
Following instructions found in bug #562005, I fixed the problem in
Ubuntu 14.04.03 LTS Trusty Thar. Attached, the script which fixes the
problem. It only creates the file /usr/share/X11/xorg.conf.d/99-nvidia-
proprietary-brigthness-keys-fix.conf if a card that suffers from the
problem is detecte
Thank you Ph-Hsu Lin for the clarification. Users who want to track
this issue with a new report, follow Bug #1389215.
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Tit
Why is this bug report invalid? I still have the problem in 14.04.03
LTS. Who decides to change it?
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Title:
Backlight co
Copying here my own observations about the problem, from my previous bug
report #1389215, now marked as a duplicate of this one.
--->
Brightness controls are not working in Unity / Xorg. When pressing the
keys and on my Lenovo W510, I see the indicator on
the screen showing the level of brightn
*** This bug is a duplicate of bug 562005 ***
https://bugs.launchpad.net/bugs/562005
** This bug has been marked a duplicate of bug 562005
Backlight controls of laptops with NVIDIA NVS and Quadro FX 880M GPUs no
longer function while using proprietary drivers
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I tried acpi_backlight=vendor on grub to novail. It even stopped
working on the TTY. Putting grub as it was restored the functionality
back in the TTY. Under X11, the problem persists.
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I replaced the official proprietary NVIDIA driver nvidia-331 with
nvidia-340 from xorg-edgers and the problem persists. nvidia-340
(340.76) is the latest driver for the legacy card Quadro FX 880M of my
Lenovo W510.
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I fully understand that there are no resources to test this. Still, the
bug is valid and I cannot provide more input. It should be remained to
'new' to avoid expiration. It should not expire; it exist for real.
And having this bug open, someone else having the same problem might one
day stumble
** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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Title:
Brightness controls are not working in Unity / Xorg because of Nvidia
I do not have a spare drive, nor the time to perform such extensive
test. I am a desktop, power user and I cannot afford the time to do QA
on vivid. The problem still exist as of today on the LTS. Is anything
we can test on the LTS to get the fix on LTS?
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Moved to 'new' to avoid expiration. I answered the question asked,
though I confirm that I cannot test with 15.04.
** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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htt
Ah, I understand. No I cannot test it with the latest version of
Ubuntu. I do not have a spare computer to do so. However, it is still
relevant to Ubuntu 14.04 LTS Trusty Thar, which is a LTS and for which I
hope this bug will be fixed. Since I use Ubuntu as my main OS, I need
stability and thu
To avoid expiration of this bug, I put it back to 'new'. if more
information is required, please indicate in a comment what is required
and how to fetch that information.
** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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Greetngs M. Penalver. I noticed that you have put back this bug in
"Imcomplete" with the additional tag "needs-vivid-test". I fail to
understand what else I can provide you. What does "needs-vivid-test"
mean and how can I perform that test on my system? The problem still
exist, is real and shou
apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1389215/+attachment/4327211/+files/UdevDb.txt
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Title:
apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1389215/+attachment/4327204/+files/Lspci.txt
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Title:
apport information
** Attachment added: "xdpyinfo.txt"
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apport information
** Attachment added: "xserver.devices.txt"
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apport information
** Attachment added: "Lsusb.txt"
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Title:
** Changed in: xorg (Ubuntu)
Status: Incomplete => New
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Title:
Brightness controls are not working in Unity / Xorg because of Nvidia
apport information
** Attachment added: "UnitySupportTest.txt"
https://bugs.launchpad.net/bugs/1389215/+attachment/4327213/+files/UnitySupportTest.txt
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apport information
** Attachment added: "nvidia-settings.txt"
https://bugs.launchpad.net/bugs/1389215/+attachment/4327218/+files/nvidia-settings.txt
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apport information
** Attachment added: "nvidia-installer.log.txt"
https://bugs.launchpad.net/bugs/1389215/+attachment/4327217/+files/nvidia-installer.log.txt
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apport information
** Attachment added: "ProcModules.txt"
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apport information
** Attachment added: "Xrandr.txt"
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Title:
apport information
** Attachment added: "ProcInterrupts.txt"
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** Attachment added: "ProcCpuinfo.txt"
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apport information
** Attachment added: "ProcEnviron.txt"
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apport information
** Attachment added: "NvidiaBugReportLog.txt"
https://bugs.launchpad.net/bugs/1389215/+attachment/4327206/+files/NvidiaBugReportLog.txt
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** Attachment added: "XorgLogOld.txt"
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apport information
** Attachment added: "XorgLog.txt"
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apport information
** Attachment added: "DpkgLog.txt"
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apport information
** Attachment added: "UdevLog.txt"
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** Attachment added: "LightdmDisplayLog.txt"
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** Attachment added: "GconfCompiz.txt"
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** Attachment added: "LightdmLog.txt"
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** Attachment added: "CurrentDmesg.txt"
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** Attachment added: "LightdmGreeterLogOld.txt"
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** Attachment added: "LightdmGreeterLog.txt"
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** Attachment added: "BootDmesg.txt"
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** Attachment added: "DkmsStatus.txt"
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** Attachment added: "Dependencies.txt"
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apport information
** Tags added: apport-collected possible-manual-nvidia-install
** Description changed:
Brightness controls are not working in Unity / Xorg. When pressing the
keys and on my Lenovo W510, I see the indicator on
the screen showing the level of brightness changing, so key
The problem still persist on my laptop running Ubuntu 14.04 LTS Trusty
Thar, all packages updated up to 2015-02-25.
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Title:
Brightness contr
Discovered another behaviour. If you play with the brightness controls
under Xorg, nothing changes. However, suspend the computer and resume
it, and the brightness will be setup to the last setup you left when
playing with the brightness controls. Thus, the value in the kernel
persists.
You can
*** This bug is a duplicate of bug 1280300 ***
https://bugs.launchpad.net/bugs/1280300
** This bug is no longer a duplicate of bug 830348
desktop contents briefly visible on resume from suspend before lock dialog
** This bug has been marked a duplicate of bug 1280300
Desktop contents dis
Reverted to using NVIDIA proprietary drivers because Nouveau cannot
resume from sleep (year old critical issue:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
nouveau/+bug/884)
The problem occurs only with NVIDIA proprietary drivers versions 304.117
and 331.38, and Ubuntu 14.04
** Also affects: nvidia-drivers-ubuntu
Importance: Undecided
Status: New
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Title:
Brightness controls are not working in Unity / Xo
Found out that brightness control works fine with Nouveau driver, but
not with Nvidia proprietary driver.
** Summary changed:
- Brightness controls are not working in Unity / Xorg.
+ Brightness controls are not working in Unity / Xorg because of Nvidia
proprietary driver.
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Some more clarification. I tried under KDE Plasma 5.1 (Neon) and still
I could not change the brightness of the backlight.
However, the CLI commands that fail in a terminal running under an Xorg
session work flawlessly under a console ().
cd /sys/class/backlight/acpi_video0
echo 5 >brightness
Same problem. Both host and guest are running Ubuntu 14.04 LTS Trusty
Tahr. Switching to 'vga' video card works, but rendering is slower.
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Public bug reported:
Brightness controls are not working in Unity / Xorg. When pressing the
keys and on my Lenovo W510, I see the indicator on
the screen showing the level of brightness changing, so key mapping is
not the problem. However, the brightness is not changing.
On the kernel level,
** Bug watch added: freedesktop.org Bugzilla #65789
https://bugs.freedesktop.org/show_bug.cgi?id=65789
** Also affects: xf86-video-ati via
https://bugs.freedesktop.org/show_bug.cgi?id=65789
Importance: Unknown
Status: Unknown
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Same problem on 12.04 with ATI Radeon HD 4770 using the open source
video driver.
** Also affects: nvidia-drivers-ubuntu
Importance: Undecided
Status: New
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