*** This bug is a duplicate of bug 1270579 ***
https://bugs.launchpad.net/bugs/1270579
** This bug is no longer a duplicate of bug 35223
Laptop TFT monitor - brightness level is not saved
** This bug has been marked a duplicate of bug 1270579
Ubuntu should have an upstart job for saving/
*** This bug is a duplicate of bug 35223 ***
https://bugs.launchpad.net/bugs/35223
** This bug has been marked a duplicate of bug 35223
Laptop TFT monitor - brightness level is not saved
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I just removed the "blacklist video" to check if the bug is still there.
It is. There is absolutely no difference. The screen dims etc. (see my
earlier comments). I use the latest Ubuntu 9.04. No fix in sight. Back
to "blacklist video".
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LCD Brightness on Laptop Always Set Very Low at Boot
http
I'm marking this Fix Release for now based on the multiple comments that
this appears to be resolved. Thanks.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
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Hey guys.
I'm not having this issue any more. Due to two main reasons. I switched
to Fedora some time ago. To F10. And it did have the same issue in my
laptop. In one of its kernel updates the issue was solved. Currently I'm
running Fedora's kernel 2.6.27.25-170.2.72.fc10.i686.
Probably this was
@reh4c, since you are the original bug reporter. Can you comment if
this is resolved for you as well with the latest Jaunty 9.04 release?
Please let us know your results. Thanks.
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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I too no longer have this issue. It seems fixed for me. :)
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I had this problem on a Asus Z53Sseries notebook, too. Since a kernel
update in ubuntu 8.10 this behaviour is gone. I currently use ubuntu
9.04 and everything is fine there.
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I've tested ubuntu 9.10 alpha 2 on my Thinkpad r50e and I couldn't reproduce
this bug. Can someone confirm this?
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echo blacklist video | sudo tee -a /etc/modprobe.d/local
This above worked for me on an ASUS X71Q and Ubuntu Jaunty with
2.6.28-13-generic. After running the above and rebooting, then hitting
F5 (brightness up) until it reached max, all of the problems went away.
I can't use the gnome-panel bright
This is a follow up.
I installed "ubuntu-8.10-desktop-amd64.iso".
I rebooted several times.
no problem
I then ran:
$ sudo apt-get update
$ sudo apt-get install linux-image-2.6.27-7-generic
I rebooted several times.
no problem
I then ran:
$ sudo apt-get install linux-image-2.6.27-11-generic
I reb
This problem exists on a Lenovo x200 running Kubuntu 8.10.
$ uname -r
2.6.27.11-generic
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 8.10
Release: 8.10
Codename: intrepid
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https://
Confirmed at Model Haier H60S
Linux ihw-laptop 2.6.27-9-generic #1 SMP Thu Nov 20 21:57:00 UTC 2008 i686
GNU/Linux
But
Fedora is OK for this issue.
Dim when boot. But it will be OK after X window startup (automatic).
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Hello, I posted before when Ubuntu switched to 8.04. The brightness was
dim on boot/media player start/Game and not as bright. .I then switch to
Archlinux but the problem cotinued but was not as bad, i.e. only dim
once then not the next time you start vlc or game. Then came Ubuntu 8.10
and the prob
I believe progress has been made. I no longer have the issue on my Asus
A7F anymore.
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Same issue on a Toshiba Portege M600 that has an intel video card (GMX
4600, but it does not seem to be the issue at all) on Intrepid with all
updates as of today.
Here are the brightness files after a boot :
cat /proc/acpi/video/*/*/brightness
levels: 100 42 0 14 28 42 56 70 84 100
current:
I meant Mandriva Linux Free 2009 of course (not "Mandrake 2009").
Sorry...
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When I tested Intrepid Ibex, the bug was still there, and I still needed
to put "blacklist video" in "/etc/modprobe.d/local". That workaround is
OK for me, but the bug should still be fixed. Others will want to use
their brightness controls (the workaround disables them).
The bug is clearly in the
Upgraded to Intrepid Ibex, kernel 2.6.27-7. The bug is still there,
dimming after boot. BUT, after login, it brightens again, it seems to be
brightening to the same level that was left behind by the user.
If this is a kernel bug not solvable I think the Ubuntu team made a nice
workaround. :)
--
does this have any relation with my dmesg's output:
"thinkpad_acpi: CMOS NVRAM (7) and EC (6) do not agree on display
brightness level"
?
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Won't fix? You must be joking. Come on guys, nobody knows how to fix it
for months/years, so you mean I should finally persuade myself that my
screen is bright when it is dim?
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Well this one must be quite a bugger because it's taken this long to
tackle.
On Thu, Oct 30, 2008 at 3:15 AM, Bertilo <[EMAIL PROTECTED]> wrote:
> Won't fix Why?
>
> --
> LCD Brightness on Laptop Always Set Very Low at Boot
> https://bugs.launchpad.net/bugs/12637
> You received this bug notif
Won't fix Why?
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Keeping this open against the actively developed kernel bug against
2.6.15 this will be closed as it does not qualify for a Stable Release
Update - https://wiki.ubuntu.com/StableReleaseUpdates . Thanks.
** Changed in: linux-source-2.6.15 (Ubuntu)
Status: New => Won't Fix
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LCD Brightnes
I just tested Kubuntu 8.10 RC 1. The bug is still there. I didn't
install. I just tested a live CD session.
Actually the bug is worse now: My brightness controls only manage to
switch between "dark as hell" and "pretty dark" (back and forth).
"Pretty dark" is much too dark to do any work.
Maybe "
ubuntu 8.04
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On my pc (asus f9 series) I fixed it just removing an option on the bios
regarding display dimm when powered from battery. That's all.
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Alberto,
I don't experience similar behaviour about alternating between Linux and
Windows, Vista in my case.
I also ran acpi_listen before running SDL based dosbox and got not a
single output from it. Weird at least.
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This is weird. I have a dual boot with Windows XP. I have not booted Win XP for
almost one month. Today I used it, just to check compatibility between an Open
Office file and MS Word. Power off, reboot to Ubuntu: the screen is bright
since the beginning of the boot process (Asus splash, grub, Ub
** Attachment added: "Output of dmidecode"
http://launchpadlibrarian.net/17631055/E%3A%5Clcd-issue%5Cdmidecode.txt
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** Attachment added: "Contents of /proc/acpi"
http://launchpadlibrarian.net/17631027/E%3A%5Clcd-issue%5Cacpi.tar.bz
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Additional comments:
- Another source of LCD dim: alternating between virtual terminals
(Ctrl+Alt+F2; Alt+F3; Alt+F7...)
- Manual rebooting (typing 'sudo reboot', at a terminal) seems to not dim LCD
Ok, a few more tests as: https://wiki.ubuntu.com/DebuggingACPI
** Methodology: Every parameter w
About the remaining test, they gave no effect, not a change at all.
* ACPI boot parameter "acpi_apic_instance=2" (as pointed in boot messages)
* ACPI boot parameter "acpi_osi=Linux" (as pointed in boot messages)
I appended those parameters, each a time, at a /boot/grub/menu.lst
special entry for
** Attachment added: "Xorg.log"
http://launchpadlibrarian.net/17629341/E%3A%5Clcd-issue%5CXorg.0.log
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** Attachment added: "Output of 'lsusb -vv'"
http://launchpadlibrarian.net/17629268/E%3A%5Clcd-issue%5Clsusb.txt
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** Attachment added: "Output of 'lspci -vv'"
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Just in case.
** Attachment added: "Output of kern.log"
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** Attachment added: "Output of dmesg"
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Output of /etc/lsb-release
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http://launchpadlibrarian.net/17629220/E%3A%5Clcd-issue%5Clsb-release.txt
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Hi! I'm having similar anoying problem. Don't know if different enough
to open a new ticket, but here it is.
When I switch on my laptop (a rebranded ECS laptop with Intel VGA) it's
LCD brightness state change as:
1. Right after switching on: full bright (OK)
2. GRUB: full bright (OK)
3. Initng, b
There is in fact a (little) difference. With 2.6.26 the screen is dim when I
log in: but if I switch the lcd screen off and on by pressing twice the Fn-key
F7, it immediately goes to full brightness and I need not increase brightness
step by step, from minimum to full (as I had to do before). Mo
Compiled kernel 2.6.26 (2.6.26-4). The bug is still there (and behaves exactly
the same).
I'll download and test 2.6.27 as soon as I can.
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Sorry, sloppy language. Edit: "if I reboot after shutting down Intrepid
alpha5" should be "if I reboot Hardy 8.04 after shutting down Intrepid
alpha5 LiveCD".
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After reading maticmatija's message, I tested the Intrepid LiveCD again. I
waited for the screen to blank and I touched the mouse: it came back to full
brightness.
Is it possible that we have to do with a family of different, although possibly
related, bugs? In my machine (ASUS Z53H) Hardy 8.04
I've tested 8.10 alpha 5 live CD and the bug REMAINS. I've booted 3
times always with maximum brightness but after logging out the screen
was darker. Also, when the monitor turns of after some idle time and you
"wake" it, the brightness is lower.
I've noticed that in my 8.04, 2.6.24-19-generic (bu
AS far as I can see, the bug has been fixed in Intrepid alpha5 liveCD.
The screen is still bright after CTRL-ALT-F1 ALT-F7. The brightness Fn-
keys are also working. As soon as I can, I shall compile 2.6.27 within
Hardy and report.
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https://
I've just tried chourave's fix. The only effect in my system is, I get
stuck at minimum brightness... lol
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I've found this page after some time I was fighting against this bug. Intrepid
alpha5 should come in a few hours or perhaps minutes, but I describe my version
of the bug in the meantime.
ASUS Z53H. Ubuntu Hardy 8.04. Kernel 2.6.24-21-generic -- to test the new
Broadcom wireless drivers, but the
The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the
upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would
appreciate it if you could please test this newer 2.6.27 Ubuntu kernel.
There are one of two ways you should be able to test:
1) If you are comfortable
I had a similar problem for my gateway MT6017. Every time I resume from
suspend the screen is dimmed and I can not get it back up without
reboot. When I changed "Auto Dim" in Bios to "Disable" the problem was
fixed.
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I also confirm this bug on my Acer Aspire 7720G with a NVidia GeForce
8400m over a clean install of Hardy 8.04 for i386.
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I struggled with the same problem, before making my own workaround: screen
would sometimes dim
- after install,
- at boot (but tends to improve with boot number: I even thought it was
fixed, 1 month without trouble, and then back again),
- after using Windows Vista,
- when gdm starts,
Wow, it's taken a little over 2 years to just propose a workable solution.
Very nice work chourave.
On Sun, Jun 8, 2008 at 4:29 AM, Bertilo <[EMAIL PROTECTED]> wrote:
> "echo blacklist video | sudo tee -a /etc/modprobe.d/local" works for me
> too. The dimming is gone, but so is the functionality
"echo blacklist video | sudo tee -a /etc/modprobe.d/local" works for me
too. The dimming is gone, but so is the functionality of my brightness
controls. But I only ever used them to get the brightness up to max
anyway, so I'm happy for now. Thank's a lot, chourave!
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LCD Brightness on Laptop Alw
Some news :
blacklisting the video driver (echo blacklist video | sudo tee -a
/etc/modprobe.d/local)
fixes the boot problem : the brightness of my LCD is maximal during the boot
sequence.
But in fact it disable the brightness control : I can not control the
brightness anymore in the gnome panel
I confirm this behaviour on my laptop Lenovo 3000 C200 model 8922AZG
I have just installed the 2.6.24-16-generic kernel on my Gutsy install.
With this new kernel my resume problem is fixed a real pleasure...
But the screen dims on every boot, and then, the brightness come back to 100%
after
I'm updating my previous post.
With all updates (kernel 2.6.24-18-generic) I have even more problems. The
screen brightness is set low in this situations:
- sometimes at boot of the computer
- sometimes at login screen
- sometimes after login
- sometimes (almost always) when I restart X
Matic
I also noticed that if your screen turns off... for example when idle a
very long time. Then the screen is dim when you come back. After
pressing the button once to make the screen brighter... it goes to full
brightness. Very interesting.
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LCD Brightness on Laptop Always Set Very Low at Boot
I can confirm this bug, too. My hardware: HP Pavillion 9533eg with Hardy
Heron. I found in the /boot/config-2.6.24-18 some settings for the
background light, but my knowledge isn't as good to modify these file.
It's only an idea...
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https://b
I've got the same issue on a HP Pavilion dv6710ev
My brightness control is under /proc/acpi/video/VGA/LCD/brightness
I can put the brightness to max using: sudo sh -c 'echo -n 95 >
/proc/acpi/video/VGA/LCD/brightness'
(95 is the highest value available, use cat
/proc/acpi/video/VGA/LCD/brightne
One thing I noticed was that you could turn of the lcd and turn it
back on and it woudl jump to full brightness. Does anyone else have
this?
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Forgot to add dmesg. From the video, it seems to start around 59,
certainly the dim has already started by 60. (I don't know what are
those, seconds? ticks? what?).
** Attachment added: "dmesg-eks"
http://launchpadlibrarian.net/14914226/dmesg-eks
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LCD Brightness on Laptop Always Set Very Lo
Encompass: No, it does not dims when I play videos with either Totem or
VLC. It dims only during boot, AFTER grub, before the login screen. And
on the login screen I cannot change brightness, only after an user have
logged in.
Is there any way to have a "slow boot" so to debug WHERE it dims?
I've
I'm happy to report that after upgrading my ubuntustudio install on an
emachines M6810 to hardy (amd64), I got a full-brilliance display on the
first boot!
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In my case the brightness changes (dims) when I start a video in VLC,
but not when I use any of the other video players that I have tested
(Kaffeine e.g. works without any dimming).
It also changes (dims) when I start a virtual OS in VirtualBox. The
dimming actually happens several times during th
Eks, do you know if the brightness changes while playing any videos
that you have? Does it go dim when you start mplayer, totem, vlc, or
others?
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I also confirm this bug on a HP Pavillion DV6705el with a NVidia GeForce
8400m over a clean install of Hardy 8.04 for i386.
The function keys for brightness do work, so it's just a bit bothersome
to increase brightness every new boot.
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LCD Brightness on Laptop Always Set Very Low at Boot
https
I use Kubuntu 8.04 on a Lenovo 3000 C200 laptop. I did a fresh install
of Hardy.
I get this dimming on every boot, at exactly the same point - somewhere
around when the hardware drives are being loaded. When the desktop is
fully loaded the brightness comes back automatically. But the login
screen
I have a Lenovo 3000 C200 and the same issue since the upgrade to Hardy
(32bit). I was previously running Ubuntu 7.10 (32bit) with kernel
2.6.22-14rt flawlessly. All the new kernel options in 8.04 show this
behavior in my laptop. Even the manufacturer bootup screen looks dimmed.
The Fn keys work o
Well after reading all this I did a little browsing in the power options
and noticed an option to dim the screen when running on bettery (8.04
x86) and I told it not too and reboot. Still had the problem after
reboot so I decided to take a look at the bios settings. There was
nothing in my biso t
I have Ubuntu 8.04 32 bit all updates and having same issue on my
laptop. My function keys "change" the brightness but not really. If i
turn the brightness all the way down, the screen goes nearly black, as
soon as i put brightness at the lowest level it comes to a VERY dim
state, and further inc
Just an update on the iMac; I loaded 8.04 and the reFit boot thingy, and
it works wonderfully, no brightness issues at all. Did lose the mouse
on one boot, but never recurred.
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Some more observations:
I downloaded 8.04 and made bootable CD; started fresh live instance from CD.
The screen is dark. When I do a first move with touchpad, though, it suddenly
jumps to ca 57%. As I already said, the brighntesss Fn buttons don't work, so
I use Gnome applet to change brightnes
Actually, for me this is a 32 bit issue. I really doubt it has
anything to do with the bit in the processor. It seems that when the
brightness is dark, and I try to press the button to make it brighter,
it jumps right to full. When I get my computer back and fixed. I
will test if the brightness
I've just upgraded to 8.04 on my Belinea o.book 3 laptop. Now every time system
boots, brightness is set to minimum. Functional keys for changing brightness
don't work (I think they didn't work before upgrade, in 7.10, too) so I use
Gnome applet for changing brightness. After system start, the
This is primarily with the 64-bit version.
On Mon, Apr 21, 2008 at 5:59 PM, encompass <[EMAIL PROTECTED]> wrote:
> Very interesting... but I don't remember having this issue in the last
> version of ubuntu. 7.04 or 7.10. This is a very new thing to me. i
> should check with perhap installing an
Very interesting... but I don't remember having this issue in the last
version of ubuntu. 7.04 or 7.10. This is a very new thing to me. i
should check with perhap installing an old version of ubuntu and see
if it gives the issue. Thanks for the information.
On Tue, Apr 22, 2008 at 1:28 AM, ajol
I have a 20" iMac and have not yet installed any operating system but OS 10.5,
which is an upgrade from the 10.4 it had when new. I thought you folks might
be interested to know, this bug is affecting my machine even without Ubuntu, as
well as several others I know of personally, and if you goo
On my laptop the problem has been fixed with the latest hardy updates (I
have just uninstalled the evolution-data-server package but I guess this
has nothing to do with it).
Thanks.
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I have the same problem after upgrading to Hardy using the "upgrade-
manager -d" command. The screen is always dim at boot and I have to
manually adjust it after each boot.
I am using a laptop Asus F7F and the 32 bit version.
Look forward to a fix. Thanks.
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LCD Brightness on Laptop Always Set
I have the same problems on my Ubuntu 64 bit Hardy 8.04 Lenovo Ideapad
Y510 59012891 R intel T5550 1.83Ghz CPU, intel x3100 GPU... My laptop my
suspend did work until a update I had like a week ago. My screen fully
dims on shutdown and startup AND when VLC media player starts and Dims
when games st
I have the same issue with the Hardy Alpha 6. I have never had this
issue unless I would have the brightness low when I turned the computer
off. This is all the time with the system plugged in or running on the
battery.
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https://bugs.launch
Well, I saw the problem with Ubuntu, Kubuntu, and Ubuntustudio x86_64 at
the 7.10 release, so I don't think it's a desktop issue. Also, last night
I managed to boot clumsily without X and gdm, and I also saw the problem
when there was no X launching, so that kinda confirms it for me that its
n
So you believe it's all kernel's fault? Can you verify it works with Ubuntu
8.04 Alpha 64 along with Kubuntu or should I pop out some CD's? Thanks
Richard!!
On Feb 13, 2008 1:38 AM, Richard Green <[EMAIL PROTECTED]> wrote:
> Here's some more info. I went to system/administration/services, and
Here's some more info. I went to system/administration/services, and disabled
gdm, thinking I'd reboot to a console, just to see if this was a kernel
problem, or possibly an xorg problem, since it's happening just milliseconds
before the screen blanks to switch to X.
Well, that wasn't clean a
Just booted the Hardy alpha 4 live CD (Kubuntu amd_64), and the LiveCD session
booted up normally, without dimming the LCD!
Since this is a working laptop now, I don't want to do a complete reinstall
with the hardy alpha. Is there a way I can install just the kernel package
from the hardy CD
Try typing this command in a terminal
xgamma -gamma 0.75
I have posted my own solution here:
http://ubuntuforums.org/showthread.php?p=4168042#post4168042
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On Thu, 20 Sep 2007, Robert Drake wrote:
> If I get the chance, I'll start throwing "got here" kprintf's in the
> kernel in places before "Kernel is Active" to see what I find.
>
On my emachines M6810, the 'Kernel alive' message comes on bright,
followed by a message beginning 'kernel mapping
I've been ignoring the problem for a while because I don't reboot often,
but I finally decided to check the bug again to see if any progress was
happening.
I tried setting vga=ask, the kernel asks what vga mode you want and you're
allowed to make your choice while the screen is bright.
after maki
The same issue came back with Gutsy i386 up-to-date on my vaio s1xp
after having been fixed in final Fiesty.
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I don't know if I'm up to the challenge of compiling my own kernels. I
haven't done that since about 1.2.x sometime... And that was just to
config in a driver. I'm an old PL/I & COBOL programmer, and quite 'C'
challenged.
One item of note: this happens with amd_64 kernels only. Last week,
Oh, another important thing: does thorough experimentation with vbetool
also happen to be able to trigger this problem, after bootup? Would be
interesting to know...
--
LCD Brightness on Laptop Always Set Very Low at Boot
https://bugs.launchpad.net/bugs/12637
You received this bug notification be
I don't know, so far the debugging hints in here haven't been too
detailed/helpful to actually be able to analyze/resolve the problem as
an enduser.
I think that since it happens immediately after bootloader and when loading
kernel, this may point to vga mode configuration at kernel bootup
trigge
I'm running Xubuntu Feisty on my AMD Turion 64 laptop with an Nvidia
6150 graphics card. I cannot use the Fn key for any purpose, including
adjusting the brightness. somewhere on the net I found that one could do
this by "echo {reqd br. level} > /proc/acpi/video/*/LCD/brightness".
however i cannot
No Aaron, I did not. I have always used 32-bit version (I have a Pentium
M).
--
LCD Brightness on Laptop Always Set Very Low at Boot
https://bugs.launchpad.net/bugs/12637
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Bugs, which is a direct subscriber.
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Guido, did you switch from 32-bit to 64-bit for Feisty? On my m6805, any
32-bit distro I have tried has not had this bug, but any 64-bit version
does. Currently using 32-bit Edgy, partly to avoid this issue.
--
LCD Brightness on Laptop Always Set Very Low at Boot
https://bugs.launchpad.net/bugs/1
Can confirm on my vaio VGN-S1XP with Feisty up-to-date.
Cannot be fixed using Power manager because it has never supported my laptop's
LCD. Brightness can be set only with FN keys and it has to be done at every
boot, but at least in Edgy the system did not 'forget' the brightness level I
set at
Can confirm on a Emachines M6805 using amd_64 on Feisty beta.
--
LCD Brightness on Laptop Always Set Very Low at Boot
https://bugs.launchpad.net/bugs/12637
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Confirmed again on Kubuntu Feisty daily build 20070401 amd_64
--
LCD Brightness on Laptop Always Set Very Low at Boot
https://launchpad.net/bugs/12637
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Still happening on Feisty herd 5 Kubuntu live CD.
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LCD Brightness on Laptop Always Set Very Low at Boot
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