The mentioned workaround fix the problem on my Dell Precision 7510. And
more important it also fixes a assumed random crash after
suspend/resume. It comes out that the xsession creashes when I suspend
on docking station, then remove the laptop from docking station, resume
and switch off keyboard ba
** Changed in: hundredpapercuts
Status: Confirmed => Fix Released
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Title:
Keyboard Backlight Turns on at boot
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Thanks for sharing the fixes everyone. I was able to get this to work
too.
For the record, the fix for me was the following:
1) mask the dell::kbd_backlight.service, as described above
2) go into the bios, and change the keyboard led timeout from 10s to 5s
Note that it had to be done in that or
Dell Latitude 7470:
Fixed by following #98 and finally #101.
#98 Step two --> For clarity sake, Go to BIOS setting by pressing F2 and
do as instructed.
Off to fix speaker crackling sound on boot.
Thanks Guys
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Thanks Cristi,
This finally "fixed" auto backlit on my E7470 (after half a year).
Next - disappearing sound card and built-in LTE modem, not working mute
button in 4.8, dying WiFI card. You gotta love Ubuntu on Skylake ;-)
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OK, apart from the dbus denying in #98 which helps with the turning
fully on when the screen locks, in order to avoid the backlight turning
on during boot time, you need to mask (it cannot be disabled) the
systemd-backlight@leds\:dell\:\:kbd_backlight service:
sudo systemctl mask systemd-
backligh
The same problem on a Dell Latitude E5570:
- keyboard goes on full full-brightness at boot time
- keyboard turns on after screen lock exactly when the screen goes off (even if
the keyboard backlight is off)
- the auto turn-off after the specified amount of time (set in the BIOS and
visible in the
I've tried Billiot's approach (#98) - no luck either.
All is good during the boot.
But just a sec before displaying the login screen, the keyboard lits to maximum
and stay like this.
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ht
This issue affected me with a new Dell E5470 on 14.04
The issue would go away with a factory reset but after doing updates it
would reappear.
The way I eventually got it fixed was
Step 1: as stated above
Edit file
/etc/dbus-1/system.d/org.freedesktop.UPower.conf
change:
to:
Step 2:
Dell E7470, the latest BIOS, kernel 4.8.
$uname -a
Linux E7470 4.8.0-20-generic #22~16.04.1-Ubuntu SMP Mon Oct 3 03:19:50 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux
$ dpkg -s upower | grep -i 'status\|version'
Status: install ok installed
Version: 0.99.4-2ubuntu0.3
$ dpkg -s unity-settings-daemon
Thanks Abel for the solution. I confirm that problem was solved by
installing 4.7.5 kernel on my Kubuntu 16.04 installation.
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Title:
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I found another solution, seems to be better because, kernel version
4.4.0.21 has a bug within the suspend mode(sometimes works and sometimes
not) at least, happened to me in a Dell latitude e6420 and also this bug
of the backlight, so to fix it I updated the kernel version to 4.7.5 --
The only pro
#93 happens on Kubuntu 16.04, 4.4.0-34-generic
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Totally the same issue as #92 reported by Roland. Dell E5470. It doesn't
matter which value was writed to /sys/devices/platform/dell-
laptop/leds/dell::kbd_backlight it always conotains 2. As a result I
have keyboard backlight ebabled on every boot, after sleep mode and
logout. Solution from #46 an
On Dell E5570,
gdbus call --system --dest org.freedesktop.UPower --object-path
/org/freedesktop/UPower/KbdBacklight --method
org.freedesktop.UPower.KbdBacklight.GetBrightness
works well, returns 0, 1, or 2, depending on keyboard backlight level
OFF, DIM, FULL.
But gdbus call --system --dest org.
E7470 - yes still affected - look here bug #1583861 and check my
comments #22
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Dell Latitude 7470 is still affected with latest updates for 16.04.
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I am adding the Lenovo Thinkpad t430s kernel 4.4.0-28-generic #47-Ubuntu,
unity-settings-daemon version 15.04.1+16.04.20160209-0ubuntu2 in list.
Workaround from #46 helped me.
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I am adding Dell E5570. Backlight turns on at boot and does not switch
off ever. Ubuntu 16.04 with unity-settings-daemon version
15.04.1+16.04.20160209-0ubuntu2. Workaround at #47 does not help either.
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Yes Mike, Lenovo X230 still affected by this bug. Both in ubuntu and in
vanilla debian. This problem is upstream from ubuntu for sure.
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Title:
Ke
** Branch linked: lp:~ci-train-bot/unity-settings-daemon/unity-settings-
daemon-ubuntu-xenial-landing-004
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** Branch linked: lp:~ci-train-bot/unity-settings-daemon/unity-settings-
daemon-ubuntu-xenial-landing-063
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** Branch linked: lp:~unity-settings-daemon-team/unity-settings-
daemon/x-sru2
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** Branch linked: lp:unity-settings-daemon/16.04
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I am adding the Lenovo X230, ThinkPad-X230 4.4.0-24-generic #43-Ubuntu
to the list. Ditto on the fix in #46 and #47.
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Just wanted to note this also effect Lenovo T450s, 4.4.0-24-generic
#43~14.04.1-Ubuntu . The fix in #46 and #47 seems to work. Will double
check if the fix has already made it to my other identical machine on
16.04.
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This bug was fixed in the package unity-settings-daemon -
15.04.1+16.04.20160209-0ubuntu2
---
unity-settings-daemon (15.04.1+16.04.20160209-0ubuntu2) xenial; urgency=medium
* plugins/power/gsd-power-manager.c:
- backport upstream "power: '0' keyboard backlight is a valid value",
I'm on the last version of unity-settings-daemon
(15.04.1+16.04.20160209-0ubuntu2) and still have this bug
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This is fixed for me too, cheers!
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This appears to be fixed for me with latest updates from Ubuntu 16.04
LTS. Very happy.
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Title:
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This bug was fixed in the package unity-settings-daemon -
15.04.1+16.04.20160209-0ubuntu2
---
unity-settings-daemon (15.04.1+16.04.20160209-0ubuntu2) xenial; urgency=medium
* plugins/power/gsd-power-manager.c:
- backport upstream "power: '0' keyboard backlight is a valid value",
** Tags removed: verification-needed
** Tags added: verification-done
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** Branch unlinked: lp:~3v1n0/unity-settings-daemon/kbd-brightness-
update
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I've moved the part related to idle backlight reset to bug #1583861
** No longer affects: upower (Ubuntu)
** No longer affects: upower (Ubuntu Xenial)
** No longer affects: upower
** Patch removed: "upower-always-get-kbd-brightness.debdiff"
https://bugs.launchpad.net/dell-sputnik/+bug/15103
This is weird: I have reverted the changes I made according to #47 but
the bug is still fixed, even though you say that it's not yet in the
updates? Is there a logical explanation to this?
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** Tags removed: kernel-da-key
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Updated the upower patch, as requested on upstream bug.
Attaching new debdiff here.
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Title:
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To manage notifi
** Changed in: unity-settings-daemon (Ubuntu Xenial)
Importance: Undecided => High
** Changed in: upower (Ubuntu Xenial)
Importance: Undecided => Medium
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We should probably split this bug into two: one is this one, the other
one is "keyboard backlight is not properly restored after idle"
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Title:
Ke
Does this mean I can revert the changes I made applying the workaround
from #47 and wait for a future update?
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Title:
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Depends which problem was bothering you. It's coming in two updates. One to
upower (related to run time problems) and the other in unity settings
daemon (related to turning on at lock screen). The unity settings daemon
one is in proposed and if no regressions are found it will come to updates
in a
Sorry - USD one is related to turning on boot I mean.
On Wed, May 18, 2016, 09:59 Mario Limonciello
wrote:
> Depends which problem was bothering you. It's coming in two updates. One
> to upower (related to run time problems) and the other in unity settings
> daemon (related to turning on at lock
Just tested the new version of unity-settings-daemon in xenial-proposed and it
works.
Great! Thank you Martin!
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Title:
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Hello Charles, or anyone else affected,
Accepted unity-settings-daemon into xenial-proposed. The package will
build now and be available at https://launchpad.net/ubuntu/+source
/unity-settings-daemon/15.04.1+16.04.20160209-0ubuntu2 in a few hours,
and then in the -proposed repository.
Please help
So, I've proposed a patch for upower, and I'm attaching here the debdiff to get
this in ubuntu package.
Also, to get this working, we need unity-settings-daemon to be patched with
this lp:~3v1n0/unity-settings-daemon/kbd-brightness-update
** Patch added: "upower-always-get-kbd-brightness.debdiff
** Branch linked: lp:~3v1n0/unity-settings-daemon/kbd-brightness-update
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Title:
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To manage notifications abou
** Also affects: upower (Ubuntu)
Importance: Undecided
Status: New
** Bug watch added: freedesktop.org Bugzilla #95457
https://bugs.freedesktop.org/show_bug.cgi?id=95457
** Also affects: upower via
https://bugs.freedesktop.org/show_bug.cgi?id=95457
Importance: Unknown
St
I already had a discussion with pitti, but I'll ask to Hugsie for
confirmation... However I've already almost ready a patch for this.
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Title:
Key
Marco,
Will you reach out to upstream then about this?
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My statement in #50 has some incorrectness. I thought unity does not
query current brightness, but accrording to Marco has addressed in #64
it is because upower always returns the cached brightness value.I do
agree the change has to be made at UPower side.
I also agree the commit c311de72495efdc75
Mario, yeah... Also ThinkPads have the same problem, because no event is
sent from the kernel.
So, I had the same idea you had to fix this. However the change has to
be done at UPower level, since if u-p-s (or you try with gdbus call)
calls GetBrigthtness it always get the last cached value.
So,
Mario, yeah... Also ThinkPads have the same problem, because no event is
sent from the kernel.
So, I had the same idea you had to fix this. However the change has to
be done at UPower level, since if u-p-s (or you try with gdbus call)
calls GetBrigthtness it always get the last cached value.
So,
Since no events are actually sent - could you query the current
brightness before trying to change it?
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Title:
Keyboard Backlight Turns on at boo
@seb128:
I tested with usd stopped per your recommendation and problem #2 as I described
my reproducer above doesn't hapen.
@marco:
I see how that patch could help and where you are going with this, but
unfortunately that doesn't do the trick. There are no events from either gdbus
monitor or u
** No longer affects: linux (Ubuntu)
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Mario, as for the lock/idle problem is a different issue.
Things depend also on the hardware and how the kernel supports the notification
of the kbd backlight changes, but if all is well supported this change should
help:
https://code.launchpad.net/~3v1n0/unity-settings-daemon/keep-cached-kbd-ba
** Branch linked: lp:~3v1n0/unity-settings-daemon/keep-cached-kbd-
backlight-updated
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** Branch linked: lp:~seb128/unity-settings-daemon/better-keyboard-
backlight
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** Tags added: desktop-trello-import
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** Changed in: gnome-settings-daemon
Status: Unknown => Fix Released
** Changed in: gnome-settings-daemon
Importance: Unknown => Medium
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the log doesn't seem to have useful clue ... could you "stop unity-
settings-daemon" and lock/unlock the screen, just to see if that's also
doing it without usd?
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Sure. Here you go.
** Attachment added: "usd.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1510344/+attachment/4661498/+files/usd.txt
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@Mario, thanks for testing the fix! I'm going to upload/SRU that one to
start then. Could you run unity-settings-daemon with --debug and share
the log? it might give an hint on what is happening with the other issue
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Well there are really two problems here as I understand it.
I can however confirm that that the first problem (backlight turns on on it's
own at boot) is fixed by this patch. So that's a definite improvement.
The second problem (backlight turns on on it's own after unlock) I can still
reproduce
hum, we should backport that commit https://git.gnome.org/browse/gnome-
settings-daemon/commit/?id=c311de7 ... it might be enough to fix the
issue, could somebody try to build unity-settings-daemon with that
simple change and see if it's enough to resolve the issue?
** Changed in: unity-settings-d
** Tags removed: patch
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Title:
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Added to Trello: https://trello.com/c/WMkMUwl1/3-bug-1510344-keyboard-
backlight-turns-on-at-boot
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Title:
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To
The attachment "0001-Fixed-dell-laptop-keyboard-backlight.patch" seems
to be a patch. If it isn't, please remove the "patch" flag from the
attachment, remove the "patch" tag, and if you are a member of the
~ubuntu-reviewers, unsubscribe the team.
[This is an automated message performed by a Launc
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: unity-settings-daemon (Ubuntu)
Status: New => Confirmed
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Based on comments #46-#50, closing out the linux kernel related tasks.
Thanks to Allen's in depth investigation it's clear that this is caused
by Unity.
** Also affects: unity-settings-daemon (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Triaged
I am working in Dell. I have some digging on this issue. There are two
symptoms reported in the thread – the keyboard backlight unexpectedly
turns ON on boot and after the resume from a screen lock. These are due
to two different causes.
- the backlight unexpectedly turns ON on boot, regardless of
Also appears to work on my Dell XPS 13 9343. Have not seen the keyboard
backlight come on for the past couple of days.
16.04
4.4.0-22-generic
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Tit
This worked for my P50 also. Thanks.
16.04
4.6.0-040600rc1
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This workaround worked for me on a Dell Latitude E7450 Ubuntu 16.04
kernel 4.6 RC 4
In the file:
/etc/dbus-1/system.d/org.freedesktop.UPower.conf
change:
to:
and reboot.
Source:
https://askubuntu.com/questions/700069/keyboard-backlight-turns-on-after-lock-screen-display-on
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This workaround worked for me on a Dell Latitude E5530 running Ubuntu 16.04.
In the file:
/etc/dbus-1/system.d/org.freedesktop.UPower.conf
change:
to:
and reboot.
Source:
https://askubuntu.com/questions/700069/keyboard-backlight-turns-on-after-lock-screen-display-on
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This issue appears to be an upstream bug, since you tested the latest
upstream kernel. Would it be possible for you to open an upstream bug
report[0]? That will allow the upstream Developers to examine the issue,
and may provide a quicker resolution to the bug.
Please follow the instructions on th
Tested on latest upstream kernel linux-image-4.6.0-040600rc6. Problem
persists.
** Tags added: kernel-bug-exists-upstream
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Title:
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I forgot to add, it was clean install of 16.04.
15.10 on the same machine worked without this issue as well as Mint 17.3.
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Title:
Keyboard Backli
I am experiencing the very same issue on my Lenovo Thinkpad P50.
16.04
4.6.0-040600rc1
It is really annoying.
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Title:
Keyboard Backlight Turns
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.6 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix th
Followup on #39 - I have just noticed that the backlight switches on
after few seconds of inactivity (14.04.4 with 4.2 kernel). AFAIK this
wasn't the case with 4.4 kernel (16.04).
I also checked and after opening the laptop lid and waking up, the
backlight is off, just as in 4.4 (at least on my mo
I can partially reproduce this bug on Dell Latitude E6420.
Namely in 16.04 (4.4 kernel) backlight was always on after (re)boot and
screenlock, however waking up (opening laptop) does not switch backlight
on. Moreover I could control the backlight (i.e. switch it off),
contrary to some reports abov
Confirmed with XPS 13 9343 with 16.04 LTS. In 15.04 the keyboard
backlight worked perfectly.
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Title:
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To mana
I confirm that this bug is still present in Dell Inspiron 7537, upgraded
from 15.04 (via 15.10). In 15.04 wasn't.
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I confirm that this bug is still present on 9343 with 16.04 LTS.
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If it annoys me too much, I do three times
echo 0|sudo tee /sys/class/leds/dell\:\:kbd_backlight/brightness
This tends to keep the backlight off for a while.
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This bug is so annoying because of the design of the keyboard backlight
in a lot of Dell laptops (incl mine, 7537): in daytime the backlight
make keys unreadable (they are painted grey with the character in
transparent plastic). It is even annoying even when you type blindly:
you automatically try
I confirmed this bug is still present with Dell XPS 13 9343 on 16.04
release.
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Same with Dell e7470 on 16.04 release.
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Problem occurs with dell latitude e7450 4.6 kernel rc4 and latest bios
a12
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Title:
Keyboard Backlight Turns on at boot
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The bug still exist with the 4.5 Kernel on my Precision 7510.
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Title:
Keyboard Backlight Turns on at boot
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I see, that some changed in dell_laptop and dell_wmi modules are
appeared in kernel 4.5. Though I'm not sure, that it fixes topic
problem.
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** Tags added: patch
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Title:
Keyboard Backlight Turns on at boot
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Hello,
i've attached a small patch that fix the problem on my Dell Precision
7510. Basically the function "kbd_set_state_safe" returns now null and
don't try to set a old state.
Regards, Andy
** Patch added: "0001-Fixed-dell-laptop-keyboard-backlight.patch"
https://bugs.launchpad.net/ubuntu
Same bug with Dell XPS 13 9350. Very very annoying.
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Keyboard Backlight Turns on at boot
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ht
Looks like nobody is interested in fixing this...😞
Sent from mobile
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On Apr 16, 2016 4:05 PM, "Balazs Wittmann" <1510...@bugs.launchpad.net>
wrote:
> This bug still exists in the
This bug still exists in the current 16.04 LTS daily build (2016.04.15)
with a 4.4.0 linux kernel. I have a Dell Inspiron 7537.
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Keyboard
Same bug with Dell XPS 13 9350.
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Title:
Keyboard Backlight Turns on at boot
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I have the same issue as Balasz:
1. When I turn on or restart the notebook.
2. When I wake up the notebook.
3. When I don't use the keyboard and the touchpad for a few seconds.
on a Dell Inspiron 14r 5447.
Any update on how to solve this issue?
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Same for my on a Dell Inspiron 7535.
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Title:
Keyboard Backlight Turns on at boot
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