I had just recently done a clean install of Ubuntu-Mate 15.04 and after
loading the Nvidia driver, again saw this issue. Following the below
instructions seems to have completely fixed it for me. I had previously
tried many other suggestions/recommendations with minimal to no success.
(I have a
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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https://bugs.launchpad.net/bugs/562005
Title:
Backlight
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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For those who still affected by this bug, please note that discussion in
a Invalid bug tend to be IGNORED.
This bug was set to "Invalid" due to this version of Ubuntu is no longer
supported.
To this point we're unable to know if it's fixed in between and broken again,
or it's just not working
If anyone cares, I have a 880M w510 lenovo laptop running vivid and
yes, this is still broken. If anyone needs some extra details I can
provide that.
On Fri, Jun 26, 2015 at 6:07 PM, Martin Spacek launch...@mspacek.mm.st wrote:
there is plenty of similar reports around and forums discussions
there is plenty of similar reports around and forums discussions about
that.
Why not post them here?
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Title:
Backlight
What version is no longer supported? Really? We need to open up a new
bug report for a bug that's 5 years old and counting? This has never
been fixed, and likely never will be by nvidia. I'm currently on the
last supported version, 340.76, in Xubuntu 14.04. Still doesn't work.
But we *should* keep
@Martin,
5 years old, and no one have taken time to glance at it. And the fact it is a
mix of kernel/drm/DE issue, not a graphic driver one.
So reopening that report is useless as it reffer to old
languages/compiler/kernel/default settings/
there is plenty of similar reports around and
Asus G55VW laptop, GeForce GTX 660M], vivid - still broken! I would
provide details too if needed.
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Title:
Backlight
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 fnhome and fnend on my Lenovo W510, I see the indicator on
the screen showing the level
That version is no more supported; please open a new bug report if the
actual archive found version also has the same issue.
** Changed in: nvidia-graphics-drivers (Ubuntu)
Status: Confirmed = Invalid
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For my future reference, and possibly others:
After installing Xubuntu 14.04 on my Thinkpad W510, generating
/etc/X11/xorg.conf with nvidia-settings and adding the
EnableBrightnessControl line to the Devices section and rebooting did
not work (it worked in Xubuntu 12.10). Instead, I had to create
I just tried messing with nvidiabl for my Thinkpad W510, without
success. I've opened a bug report here:
https://github.com/guillaumezin/nvidiabl/issues/89
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On my workplace Thinkpad W530 (Quadro K1000M in discrete-only mode),
EnableBrightnessControl=1 does in fact expose a working Backlight property
via xrandr.
Unfortunately, Gnome is looking for a property called BACKLIGHT, and falls
back to /sys/class/backlight when it's not found.
See
Xubuntu 12.10 updated to nvidia 304.88 a day or so ago, and now
brightness controls are even more uneven than before. I've tried
regenerating xorg.conf using nvidia-settings, and re-adding [Option
RegistryDwords EnableBrightnessControl=1] to the Device section, but
that hasn't helped. I also tried
I just tried installing 304.60 from
https://launchpad.net/~noobslab/+archive/nvidia-quantal on my fresh
install of Xubuntu 12.10 amd64 with no xorg.conf. Brightness controls
did *not* work, as usual, so I'd say it isn't fixed.
Note that the packages at that PPA are labelled as
I've removed all my X11 quirks and tested 304.60, the backlight controls
seem to work. They're still really buggy, but no effort is needed to get
them working. Packages meant for Ubuntu 12.04 arr available here:
https://launchpad.net/~ubuntu-x-swat/+archive/x-updates?field.series_filter=precise
.
When certifying systems with Ubuntu, we only test with the open-source
graphics drivers installed by Ubuntu. If these do not work properly then
we will try with the proprietary drivers. So this particular system has
never been tested by us with the proprietary drivers, and it is correct
to refer
The latest certified nvidia blob (304.60) mentions this:
Added support for the Backlight RandR output property for configuring
the brightness of some notebook internal panels.
http://www.nvidia.com/object/linux-display-amd64-304.60-driver.html
Could it be this is finally the fix we've been
Not to say that /etc/X11/xorg.conf has been deprecated, but: The X11
Quirks files are a quick way to fix backlight control issues. I have
smashed/replaced my LCD panel since reporting this bug, and no longer
hear a buzzing noise when changing brightness while forcing the
proprietary NVIDIA driver
Also, Martin: Brightness increments are still uneven for me. I'm
terrified of hitting brightness up/down hotkeys too quickly, because I
get a frozen display. No kernel panic though, I'll see if I can acess my
laptop through SSH next time this happens. So anoying, no satisfaction!
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This Ubuntu Advantage program has failed us, I have and will probably
whine again here:
http://www.ubuntu.com/certification/hardware/201101-7181/
The Lenovo Thinkpad T510 laptop has been awarded the status of
Certified for Ubuntu.
Follow-up! I'm not a paying customer, but I'll whine if I can't
Retraction: I meant Ubuntu Certification program, not Ubuntu
Advantage. Different people, sorry!
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Title:
Backlight
I have an Asus G55VW and backlight hotkeys do not work and neither does
trying to directly manipulate /sys/class/backlight ... I have tried
adding Option RegistryDwords EnableBrightnessControl=1 and
changing the kernel boot params but with no success.
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Yes, I have also this issue on Fujitsu E8420 BUT I have managed to get it
working and wanted to publish my solution here.
Im running ubuntu 11.10 and I have installed that additional driver #2, NVIDIA
accelerated graphics driver (post-release updates) (version 173-updates)
So This is what I
I can confirm that this problem does not occur on thinkpad only, but
also on Fujitsu-Siemens E8420
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Title:
Backlight
I market this bug as affecting the Ubuntu-Certification, referencing the
Certified status of the Lenovo ThinkPad T510 whose backlight does not
properly function. https://answers.launchpad.net/ubuntu-
certification/+question/163597
** Also affects: ubuntu-certification
Importance: Undecided
The nvidiabl driver now detects ThinkPad T510s with model 4313CTO. This
will not allow gnome-power-manager to control the backlight, but at
least the keys will worksort of. With autodetected values,
brightness can be turned down all the way, but can only be set to a
proper maximum by switching
Unsurprisingly, this problem remains in the latest ubuntu-x-swat nvidia
driver, 280.13. There seems to be some kind of a fairly recent problem
with nvidia backlight controls in the mactel community, with a few bugs
filed (like #764195).
A comment mentioned some success adding the mactel PPA
Brendan Donegan of Canonical responded to the request I made to the
Ubuntu Hardware Certification Programme, acknowledged the problem and
said a T510 would be tested. At the very least, the problem will be
noted. Considering I don't pay for support, that's a pretty good
response!
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I have linked this bug to Ubuntu Hardware Certification.
https://answers.launchpad.net/ubuntu-certification/+question/163597
Hopefully they will treat this bug with respect. Switching between text
mode VT and a Nvidia-proprietary powered X server is not stable!
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Exactly. Plus: Switching back and forth several times results in the X
server hanging (or rather lagging) for some minutes…
On Sun, Jul 3, 2011 at 13:28, Tom Gelinas 562...@bugs.launchpad.net wrote:
I have linked this bug to Ubuntu Hardware Certification.
By the way: I'm running Natty now and (once again) I can confirm the
issues. Changing the brightness in another tty does the trick.
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Forget about forums.lenovo.com. There're issues with the WWAN firmware
which were reported in the forums more than a year ago, now, and
Lenovo hasn't bothered to fix them properly since.
On Sat, Apr 23, 2011 at 06:35, Martin Spacek launch...@mspacek.mm.st wrote:
Hm. Is there some way we could
Sorry, thought I already replied: No, nvidia's bug reporting system
sucks. It doesn't even use HTTPS for login and they don't seem to pay
attention to Linux bugs. Someone like an OEM or big developer will need
to pick this up if it's going to be fixed, I think.
** Tags added: t420 t520 w520
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Hm. Is there some way we could push this through with Lenovo's clout?
Maybe via forums.lenovo.com?
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Title:
Backlight
I am currently on a new w520 with Ubuntu 11.04 beta (Linux
2.6.38-8-generic #42-Ubuntu SMP Mon Apr 11 03:31:24 UTC 2011 x86_64
x86_64 x86_64 GNU/Linux) with nvidia driver 270.41.03 with the 1000M
(BIOS set to use just the nvidia card, optimus disabled) and can confirm
similar issues with setting
Thanks for that Tom. Have you heard anything back from them? I wonder if
the new Quadro 1000M and 2000M GPUs on the new Thinkpad T520 and W520
have the same problem...
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This is still broken with 270.30, from natty repositories.
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Title:
Backlight controls of laptops with NVIDIA NVS and
Sent a bug report to linux-b...@nvidia.com, should have done it a year
ago.
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Title:
Backlight controls of laptops with
My nvidia blob just updated itself to 270.18 from the x-swat PPA.
Brightness controls remain broken.
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Title:
Backlight
Dieter, no, this bug has nothing to do with suspend, and only pertains
to laptops with the newish nvidia NVS and Quadro FX 880M GPUs.
My nvidia blob just updated itself to 260.19.29 from the x-swat PPA.
Brightness controls remain broken.
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Here's a somewhat interesting account from what seems to me like a
duplicate. I think I can confirm what he says about values in
/proc/acpi/video/VID/LCD0/brightness
Bug #613638
Adjusting brightness broken after hibernate/suspend
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I just tried the new nvidia blob from the
https://launchpad.net/~ubuntu-x-swat/+archive/x-updates ppa (260.19.26),
brightness controls still don't work.
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I tried commenting out the EnableBrightnessControl=1 line and I'm unable to
control the brightness. The on-screen popup shows me that the buttons are
working and I'm changing the value, but screen brightness does not change.
So please consider my testimony in bug #613638 as incorrect, this does
I've bumped the bug report at nvnews.net repeatedly and have done so
again today. The lack of formality with regard to NVIDIA bug reports is
very irritating!
http://www.nvnews.net/vbulletin/showthread.php?p=2359095#post2359095
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Possibly related to bug #606547 ?
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Title:
Backlight controls of laptops with NVIDIA NVS and Quadro FX 880M GPUs no
Yes, when the display turns off sometimes it cannot be turned back on.
Instead of restarting I do something like: Ctrl+Alt+F1 and then back
Alt+F7 (or wherever your X is). That turns the display back on when
it's stuck. This is surely a bug and it appeared with older versions
of the Nvidia driver.
Delyan,
Thank you for your help! I forgot to mention that I used to do that in Lucid
before the xorg.conf workaround. Sadly that doesn't seem to help in Maverick. I
wonder if downgrading to an older version of nvidia drivers would help.
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Backlight controls of laptops with NVIDIA NVS and
Maybe you should give it a try. I have the same computer as yours with
the same video card. Maybe the workaround by switching to console do
not always work but I had the luck.
On Tue, Oct 26, 2010 at 1:12 PM, Jon Packard jonpack...@gmail.com wrote:
Delyan,
Thank you for your help! I forgot to
I just did a fresh install of Maverick 64-bit on my HP EliteBook 8440p
with NVS 3100m graphics. I still had to use nomodeset to install and
to boot thereafter, but that's not an issue. After installing the nVidia
proprietary drivers, I found that whenever my notebook tries to power
its screen off,
The issue persists with 256.53.
This problem won't be solved through launchpad, please fell free to bump
http://www.nvnews.net/vbulletin/showthread.php?t=150069 to notify the nvidia
developers.
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Backlight controls of laptops with NVIDIA NVS and Quadro FX 880M GPUs no longer
function while
Hans anyone been able to verify if the latest nvidia release addresses
this issue? It is up to 256.53 now.
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function while using proprietary drivers
https://bugs.launchpad.net/bugs/562005
You received this bug
I was using Maverick a couple of days ago with whatever the default
nvidia driver was (256.44 at the time, I believe), but the problem
remained.
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Backlight controls of laptops with NVIDIA NVS and Quadro FX 880M GPUs no longer
function while using proprietary drivers
Thank you Tom Gelinas! I tried add Option ... to xorg and it works. :)
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NVIDIA's 256.29 beta driver is available from this PPA:
https://launchpad.net/~ubuntu-x-swat/+archive/x-updates .
The issue is not solved, and I didn't expect it to be. Again, the bugs for both
NVS *100m series and FX 880M have been reported to the NVIDIA developers @
nvnews.net, the links to
There is a newer driver release by Nvidia: http://www.nvidia.com/object
/linux-display-amd64-195.36.24.html
I have installed it and it changed nothing here. If that do not do it
you should try http://www.nvidia.com/object/linux-display-
amd64-256.25.html - the latest beta. Then, if it still
Here is a part of lshal output:
udi = '/org/freedesktop/Hal/devices/computer_backlight'
info.addons = {'hald-addon-generic-backlight'} (string list)
info.capabilities = {'laptop_panel'} (string list)
info.category = 'laptop_panel' (string)
info.interfaces =
Have you tested the latest Nvidia's driver release (ubuntu's one is not
the newest) or even a beta version of the driver?
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https://bugs.launchpad.net/bugs/562005
You
OK. I'm sorry for calling names to GPM. I've fixed my problem and it has
nothing to do with GPM or the current issue. Again it holds - loads of
brightness levels - 25. All are unique and have effect - they change
something. I hope Nvidia will fix their driver and this issue with
Thinkpads will be
Here are the relevant parts of my lshal output:
udi = '/org/freedesktop/Hal/devices/computer_backlight_0'
info.addons = {'hald-addon-generic-backlight'} (string list)
info.capabilities = {'laptop_panel'} (string list)
info.category = 'laptop_panel' (string)
info.interfaces =
Here's the lshal output from my T510 without backlight controls force-
enabled in xorg.conf:
udi = '/org/freedesktop/Hal/devices/computer_backlight'
info.addons = {'hald-addon-generic-backlight'} (string list)
info.capabilities = {'laptop_panel'} (string list)
info.category = 'laptop_panel'
Also I'm running nvidia driver version 195.36.15 . Next time I restart
this machine, I'll check for changes to lshal output caused by forcing
nvidia to control the backlight.
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Backlight controls of laptops with NVIDIA NVS and Quadro FX 880M GPUs no longer
function while using proprietary
lshal output seems to be identical when the nvidia driver is forced to
control the backlight. I agree, the nvidia driver is probably passing
the wrong number of brightness levels. Thanks for the link to bug 7779,
i'll play around wth that script later.
--
Backlight controls of laptops with
Hello. I've just tested the option you had mentioned. It successfully
forces the driver to control the brightness. But the only way to change
it is using the slider in the Power Management windows (in
System-Preferences). Using the function keys does not change the
brightness. Only the
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