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#1 2014-10-29 09:29:49

lancekroepke
Member
Registered: 2014-10-28
Posts: 2

DELL Latitude - Keyboard Backlit/Suspend on close not working TL;DR

so.. hi

first things first:
this is my current setup:

$ screenfetch
OS: Arch Linux
Kernel: x86_64 Linux 3.17.1-1-ARCH
Shell: bash 4.3.30
WM: i3
GTK Theme: Not Found [GTK2], Not Found [GTK3]

i have this strange thing going on with my DELL LATITUDE E6510.
i upgraded it with a backlit keyboard. i couldn't get it to run, reinstalled it like 40 times, ran into bios, it would not start lighting up.

i was just to send it back, when i was over at my friends. he was running a nicely lit up keyboard at his dell precision m4500.
we exchanged the keyboards. both were working just fine now.

until this one day. i randomly got an AC/Power Warning on bootup.
it said the power adapter isn't recognized and that my system won't charge anymore.
i skipped it and it was charging like a hero. in fact the warning was a lie, it won't STOP to charge. not on arch not on win7.
plus the backlit wasn't working anymore. i just did the things described above on installing the keyboard.
after some days and random reboots, it started to work again.

i reinstalled and cleansed all connections on mainboard and it was still working.
i suddenly found out that it won't hibernate on closing the lid.
plus it won't get me into bios setup on startup. i'm pressing the F12 key and it shows ENTERING BIOS-SETUP
but the screen keeps staying black.
after "fixing" the keyboard all was working as it should.

some time flew and here i am.
after updating my system (i think it was triggering the whole thing, did not closed/reboot laptop for about 3 days before it occured) i wasn't able to log into my arch anymore.
during this time there was an update:

[2014-10-23 01:06] [PACMAN] upgraded linux (3.16.4-1 -> 3.17.1-1)

slim would just give me an "could not execute login command" and "startx" on tty2 was giving me Xserver error.
though "startx" as root was just doing fine.
chown -R LANCE.users /home/LANCE did the trick.
i was able to login again

so far so good.. but the battery is chargin like hell again, won't stop on 100%, laptop won't suspend and keyboard backlight is not working.

i found out that restarting systemd-logind.service solves the suspending issue for running session. if i reboot i have to restart it again.
backlight won't work in either case

i've installed some nice dell gui for the FN-key's and it seems to recognize me pressing the lit/unlit combo since it gives me a graphical output like:
Keyboard Backlight On
Keyboard Backlight Off
Keyboard Backlight Auto
it just wont light up.

/sys/class/leds/:

$ ls /sys/class/leds/
mmc0::  phy0-led

lsmod | egrep -i 'light|rgb|kbd'
atkbd                  16934  0
libps2                  4507  2 atkbd,psmouse
serio                  10785  6 serio_raw,atkbd,i8042,psmouse

am i right that there is some tool like asus-kbd-backlight missing?

my Xorg.0.log shows up like:

$ sudo cat /var/log/Xorg.0.log | grep \(WW\)
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[     7.532] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/OTF/".
[     7.534] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/100dpi/".
[     7.534] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/75dpi/".
[     7.539] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[     7.589] (WW) Falling back to old probe method for modesetting
[     7.590] (WW) Falling back to old probe method for fbdev
[     7.591] (WW) Falling back to old probe method for vesa
[     7.806] (WW) evdev: HID 046a:0023: ignoring absolute axes.
$ sudo cat /var/log/Xorg.0.log | grep \(EE\)
(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[     7.536] (EE) systemd-logind: failed to get session: PID 360 does not belong to any known session

and PID=360

$ journalctl -b _PID=360
-- Logs begin at Fr 2014-08-15 20:05:36 UTC, end at Mi 2014-10-29 10:54:51 UTC. --

seems to be empty for running session.

sry for the TL;DR but i can't help me out here and trying to describe the problem in depth.
so maybe some1 can get something out of this

Last edited by lancekroepke (2014-10-29 13:47:49)

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