Author Topic: What the latest update did to my system.  (Read 1359 times)

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Offline amozeo

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What the latest update did to my system.
« on: 03. May 2016, 19:50:10 »
For last two years I have been using Manjaro. I was so happy and I think this is the best so far, even though I had a few issues. Among them one issue was experienced in other distros too.
The issue is very simple. When the system boots up, when the login screen appears the backlight goes off or the brightness is too low. In effect I get a blacked out screen. It happens randomly. Did a wide variety of things but none worked. So, instead of mdm I installed lightdm and I learned to type my password with being anything seen on the screen. I used my HDD light as indicator - if the password is wrong it wont stay for long. Silly it was! Then when the HDD LED goes of I press the brightness control key(Fn + F5/F6) to bring the screen to life. I was OK with it, even though a wrong password or anything forced me press the power button hard for another reboot.

The latest update(did it this week) did this. Now my brightness keys (Fn + F5/F6)are no more working. I can change the brightness from the power manager settings. But to see anything on the screen I need those buttons back. I knew a way to do this, did it immediately after installing Manjaro, but I forgot. Please help me. Now to do any work I need to boot the laptop twice. If you are going to say everything will be ok by next update, please understand I was waiting to happen that since the time of kernal 3.4.

I have to choices 1. get the brightness buttons back 2. solve the brightness problem completely.

For more, after the last update my WiFi hardware switch is also not working. If the switch is off, I have to on it, then a reboot is required to make that come into effect.

I am sorry for telling such a big silly story but it means a lot to me. 

System:    Host: codex Kernel: 4.4.8-1-MANJARO x86_64 (64 bit gcc: 5.3.0)
           Desktop: Xfce 4.12.3 (Gtk 2.24.28) Distro: Manjaro Linux
Machine:   System: Sony (portable) product: VPCEG18FG v: C900QCJB
           Mobo: Sony model: VAIO Bios: INSYDE v: R0210Z8 date: 05/02/2011
CPU:       Dual core Intel Core i5-2410M (-HT-MCP-) cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 9183
           clock speeds: max: 2900 MHz 1: 1095 MHz 2: 951 MHz 3: 1096 MHz
           4: 1015 MHz
Graphics:  Card: NVIDIA GF119M [GeForce 410M] bus-ID: 01:00.0
           Display Server: X.Org 1.17.4 driver: nvidia
           Resolution: 1366x768@60.00hz
           GLX Renderer: GeForce 410M/PCIe/SSE2
           GLX Version: 4.5.0 NVIDIA 361.42 Direct Rendering: Yes
Audio:     Card-1 NVIDIA GF119 HDMI Audio Controller
           driver: snd_hda_intel bus-ID: 01:00.1
           Card-2 Intel 6 Series/C200 Series Family High Definition Audio Controller
           driver: snd_hda_intel bus-ID: 00:1b.0
           Sound: Advanced Linux Sound Architecture v: k4.4.8-1-MANJARO
Network:   Card-1: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express)
           driver: ath9k bus-ID: 02:00.0
           IF: wlp2s0 state: up mac: <filter>
           Card-2: Qualcomm Atheros AR8151 v2.0 Gigabit Ethernet
           driver: atl1c v: 1.0.1.1-NAPI port: 2000 bus-ID: 09:00.0
           IF: enp9s0 state: down mac: <filter>
Drives:    HDD Total Size: 500.1GB (24.6% used)
           ID-1: /dev/sda model: SAMSUNG_HM500JI size: 500.1GB
           ID-2: /dev/mmcblk0 model: N/A size: 16.0GB
Partition: ID-1: / size: 19G used: 18G (100%) fs: ext4 dev: /dev/sda1
           ID-2: /home size: 253G used: 94G (38%) fs: ext4 dev: /dev/sda3
           ID-3: swap-1 size: 4.00GB used: 0.00GB (0%) fs: swap dev: /dev/sda2
Sensors:   System Temperatures: cpu: 53.0C mobo: 38.0C gpu: 0.0:48C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 163 Uptime: 46 min Memory: 1348.0/3938.5MB
           Init: systemd Gcc sys: 5.3.0
           Client: Shell (bash 4.3.421) inxi: 2.2.38

Offline eugen-b

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Re: What the latest update did to my system.
« Reply #1 on: 03. May 2016, 20:32:42 »
I have only one easy suggestion: Install another kernel! You can do it from command line with
Code: [Select]
sudo mhwd-kernel -i linux45 for example.
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Offline jonathon

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Re: What the latest update did to my system.
« Reply #2 on: 04. May 2016, 22:18:11 »
Also,

Partition: ID-1: / size: 19G used: 18G (100%) fs: ext4 dev: /dev/sda1

this won't help. It's not likely to affect the backlight, but then again odd things can happen when you fill your root.
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Offline canecorso

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Re: What the latest update did to my system.
« Reply #3 on: 05. May 2016, 00:03:57 »
What items do you have in the /sys/class/backlight/ folder, what are the values of brightness, actual_brightness and max_brightness within them (after turning light up one step)? Do they reset on reboot (probably yes)?

Offline amozeo

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Re: What the latest update did to my system.
« Reply #4 on: 05. May 2016, 07:11:32 »
What items do you have in the /sys/class/backlight/ folder, what are the values of brightness, actual_brightness and max_brightness within them (after turning light up one step)? Do they reset on reboot (probably yes)?

contents : actual_brightness  brightness  max_brightness  subsystem  uevent
bl_power           device      power           type


actual_brightness : 5
max_brightness: 15
bl_power : 0
type: firmware



Offline c00ter

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Re: What the latest update did to my system.
« Reply #5 on: 05. May 2016, 17:27:47 »
Also,

this won't help. It's not likely to affect the backlight, but then again odd things can happen when you fill your root.

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Offline Rob

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Re: What the latest update did to my system.
« Reply #6 on: 05. May 2016, 17:36:48 »
So just want to confirm, you've tested every series of kernel Manjaro offers (there's like 10+) and this behaviour is exhibited with all of them?

Offline amozeo

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Re: What the latest update did to my system.
« Reply #7 on: 06. May 2016, 06:47:47 »
So just want to confirm, you've tested every series of kernel Manjaro offers (there's like 10+) and this behaviour is exhibited with all of them?

Yes.

Offline Rob

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Re: What the latest update did to my system.
« Reply #8 on: 06. May 2016, 07:57:46 »
The solution described here (thx 30 seconds of googling) has LightDM executing xbacklight (with appropriate parameters).
http://askubuntu.com/questions/66751/how-do-i-set-default-display-brightness


It essentially is:

Ensure you have xbacklight installed:
Code: [Select]
sudo pacman -S xorg-xbacklight
make the file /etc/lightdm/display-setup-script.sh with the contents:
Quote
#!/bin/bash
xbacklight =30 || true
and ensure it's executable, and have LightDM run it
(If 30 is too low or too bright, change it)



So create and edit the file as root:
Code: [Select]
sudo mousepad /etc/lightdm/display-setup-script.shpaste in the couple of lines from the quote box above
save and close the file
set it executable:
Code: [Select]
sudo chmod 755 /etc/lightdm/display-setup-script.sh
Now edit /etc/lightdm/lightdm.conf as root:
Code: [Select]
sudo mousepad /etc/lightdm/lightdm.conf
add these 2 lines to the end of the file:
Quote
[SeatDefaults]
display-setup-script=/etc/lightdm/display-setup-script.sh

Save and close.
« Last Edit: 06. May 2016, 08:05:06 by Rob »

Offline amozeo

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Re: What the latest update did to my system.
« Reply #9 on: 07. May 2016, 18:33:10 »
The solution described here (thx 30 seconds of googling) has LightDM executing xbacklight (with appropriate parameters).
http://askubuntu.com/questions/66751/how-do-i-set-default-display-brightness


It essentially is:

Ensure you have xbacklight installed:
Code: [Select]
sudo pacman -S xorg-xbacklight
I am very sorry. I tested xbacklight as described in the blog post. It did not work. Actually I was using this method (in Ubuntu, years ago). It suddenly stopped working after an upgrade. It was then I switched to Manjaro Linux. I thank you wholeheartedly.
Thank you all. I reinstalled Manjaro. Now more space for / partition, and using Linux 4.1.
Somewhere in the Arch Wiki there is a note about Windows OEM systems. If my memory is right, it says 'the systems firmware does something nasty and that causes these types of problems'. I dont know what and how. This is where I stopped my little research. Thank you, what all I want are by brightness keys.

make the file /etc/lightdm/display-setup-script.sh with the contents:and ensure it's executable, and have LightDM run it
(If 30 is too low or too bright, change it)



So create and edit the file as root:
Code: [Select]
sudo mousepad /etc/lightdm/display-setup-script.shpaste in the couple of lines from the quote box above
save and close the file
set it executable:
Code: [Select]
sudo chmod 755 /etc/lightdm/display-setup-script.sh
Now edit /etc/lightdm/lightdm.conf as root:
Code: [Select]
sudo mousepad /etc/lightdm/lightdm.conf
add these 2 lines to the end of the file:
Save and close.