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#1 2018-08-29 14:51:30

derena
Member
Registered: 2018-08-29
Posts: 4

Auto Brightness Reduction not working properly

Hi. I am using Pardus 17.3 with XFCE (debian based distro) and infos about my system are below:

System info: Linux pardus 4.9.0-8-amd64 #1 SMP Debian 4.9.110-3+deb9u4 (2018-08-21) x86_64 GNU/Linux
XFCE version info: xfce4-panel 4.12.1 (Xfce 4.12)

My problem is about Brightness Reduction. I tried to set brightness to decrease 20% auto after 10 seconds. it decreases brightness to 20%, but after 2-3 seconds it increases previous value. then some seconds later, it decreases and increases again. it goes like this if i don't push any key or dont move mouse.

is it a bug, or is there any problem with my system?

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#2 2018-08-29 19:18:26

alcornoqui
Member
Registered: 2014-07-28
Posts: 309

Re: Auto Brightness Reduction not working properly

Hello and welcome to the forum!

I can't find a bug with that description. While we wait for help, please tell us more about the hardware, specially graphics card:

inxi - G

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#3 2018-08-30 07:15:47

derena
Member
Registered: 2018-08-29
Posts: 4

Re: Auto Brightness Reduction not working properly

The result is below:

Graphics:  Card-1: Intel Haswell-ULT Integrated Graphics Controller
           Card-2: NVIDIA GK208M [GeForce GT 730M]
           Display Server: X.Org 1.19.2 drivers: modesetting,nouveau (unloaded: fbdev,vesa)
           Resolution: 1366x768@60.01hz
           GLX Renderer: Mesa DRI Intel Haswell Mobile
           GLX Version: 3.0 Mesa 13.0.6

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#4 2018-09-10 09:37:55

derena
Member
Registered: 2018-08-29
Posts: 4

Re: Auto Brightness Reduction not working properly

In debug mode you can see these. I am waiting and doing nothing but brightness changes continuously on battery power. There is no problem on AC power. But, on battery power it acts weird.

TRACE[xfpm-manager.c:490] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 2
TRACE[xfpm-backlight.c:132] xfpm_backlight_dim_brightness(): Current brightness level before dimming : 937, new 281
TRACE[xfpm-backlight.c:213] xfpm_backlight_reset_cb(): Alarm reset, setting level to 937
TRACE[xfpm-manager.c:490] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 2
TRACE[xfpm-backlight.c:132] xfpm_backlight_dim_brightness(): Current brightness level before dimming : 937, new 281
TRACE[xfpm-polkit.c:251] xfpm_polkit_free_data(): Destroying Polkit data
TRACE[xfpm-backlight.c:213] xfpm_backlight_reset_cb(): Alarm reset, setting level to 937
TRACE[xfpm-manager.c:490] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 2
TRACE[xfpm-backlight.c:132] xfpm_backlight_dim_brightness(): Current brightness level before dimming : 937, new 281
TRACE[xfpm-backlight.c:213] xfpm_backlight_reset_cb(): Alarm reset, setting level to 937
TRACE[xfpm-manager.c:490] xfpm_manager_alarm_timeout_cb(): Alarm inactivity timeout id 2
TRACE[xfpm-backlight.c:132] xfpm_backlight_dim_brightness(): Current brightness level before dimming : 937, new 281
TRACE[xfpm-backlight.c:213] xfpm_backlight_reset_cb(): Alarm reset, setting level to 937

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