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#1 2019-08-15 22:20:34

johnywhy
Member
Registered: 2011-10-09
Posts: 288

[Solved] Power Manager Can't Adjust Brightness

On Arch, Power manager brightness-slider has NO effect.
xbacklight reports "No outputs have backlight property"

I CAN adjust brightness with

echo 6000000 > /sys/class/backlight/intel_backlight/brightness

the following also works

xrandr --output LVDS-1 --brightness 0.9

i noticed xrandr applies a blue tint.
The echo command above doesn't apply any tint,
so i prefer a fix which works like the echo method (no tint).

When I applied the fix below, i could not startxfce4 at all. Stuck at terminal on boot.
i notice the file 20-video.conf didn't exist before i applied this fix:

If you get the "No outputs have backlight property" error, it is because xrandr/xbacklight does not choose the right directory in /sys/class/backlight. You can specify the directory by setting the Backlight option of the device section in /etc/X11/xorg.conf.d/20-video.conf. For instance, if the name of the directory is intel_backlight and using the Intel driver, the device section may be configured as follows:

/etc/X11/xorg.conf.d/20-intel.conf
Section "Device"
    Identifier  "Intel Graphics"
    Driver      "intel"
    Option      "Backlight"  "intel_backlight"
EndSection

https://wiki.archlinux.org/index.php/Ba … xbacklight

Any fix?

Last edited by johnywhy (2019-08-21 04:34:46)

arch xfce x86_64

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#2 2019-08-15 23:07:53

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

What is the make and model of your computer?

Can you post back the results of the following commands:

lspci -vnn | grep -A12 VGA
ls /sys/class/backlight/
cat /etc/X11/xorg.conf.d/20-intel.conf
cat /proc/cmdline

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#3 2019-08-16 00:20:32

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

# lspci -vnn | grep -A12 VGA
00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (primary) [8086:2a02] (rev 03) (prog-if 00 [VGA controller])
	Subsystem: Gateway, Inc. Mobile GM965/GL960 Integrated Graphics Controller (primary) [107b:0690]
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at f4000000 (64-bit, non-prefetchable) [size=1M]
	Memory at d0000000 (64-bit, prefetchable) [size=256M]
	I/O ports at 1800 [size=8]
	[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
	Capabilities: [d0] Power Management version 3
	Kernel driver in use: i915
	Kernel modules: i915

00:02.1 Display controller [0380]: Intel Corporation Mobile GM965/GL960 Integrated Graphics Controller (secondary) [8086:2a03] (rev 03)
# ls /sys/class/backlight/
acpi_video0  intel_backlight
# cat /etc/X11/xorg.conf.d/20-intel.conf
cat: /etc/X11/xorg.conf.d/20-intel.conf: No such file or directory
# cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=890714bf-22b0-4fc1-af90-96e8e5872f47 rw loglevel=3 quiet

arch xfce x86_64

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#4 2019-08-16 00:44:57

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

What is the make and model of your computer? Do you have dual video cards?

If you could try the backlight fix (/etc/X11/xorg.conf.d/20-intel.conf) from above one more time and post back the Xorg.0/log or Xorg.0.log.old file (the latter if you've rebooted) when it fails. It should work for you and perhaps the log file might identify why it isn't.

Another thing you might want to try is the "acpi_backlight=vendor" or "acpi_backlight=none" kernel parameters. (See the Kernel command line options section of the same link above that you posted).
Specifically:

If you find that changing the acpi_video0 backlight does not actually change the brightness, you may need to use acpi_backlight=none.

(but I've seen the acpi_backlight=vendor parameter work before as well).

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#5 2019-08-16 00:57:49

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

ToZ wrote:

What is the make and model of your computer?

Gateway P-Series laptop (old)

Do you have dual video cards?

not that i'm aware of

post back the Xorg.0/log or Xorg.0.log.old file (the latter if you've rebooted)

What's the sequence without rebooting? Don't i have to do something to make the new .conf take effect?

arch xfce x86_64

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#6 2019-08-16 01:02:21

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

If you tried the "/etc/X11/xorg.conf.d/20-intel.conf" file on your last boot, just post back your /var/log/Xorg.0.log.old file.

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#7 2019-08-16 01:13:08

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

i included both log files for good measure.
The old is the fail to startxfce4, the other is successfully ran startxfce4.
It seems the good one used some generic default drivers, correct?

[   855.735] (II) LoadModule: "modesetting"

[   855.777] (II) LoadModule: "vesa"

Xorg.0.log.old

[    41.478] (WW) Failed to open protocol names file lib/xorg/protocol.txt
[    41.479] 
X.Org X Server 1.20.5
X Protocol Version 11, Revision 0
[    41.479] Build Operating System: Linux Arch Linux
[    41.480] Current Operating System: Linux myegg 5.2.8-arch1-1-ARCH #1 SMP PREEMPT Fri Aug 9 21:36:07 UTC 2019 x86_64
[    41.480] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=/dev/sda7
[    41.480] Build Date: 30 June 2019  09:52:01AM
[    41.480]  
[    41.480] Current version of pixman: 0.38.4
[    41.481] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[    41.481] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    41.482] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Aug 15 15:20:57 2019
[    41.539] (==) Using config directory: "/etc/X11/xorg.conf.d"
[    41.539] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[    41.558] (==) No Layout section.  Using the first Screen section.
[    41.558] (==) No screen section available. Using defaults.
[    41.558] (**) |-->Screen "Default Screen Section" (0)
[    41.558] (**) |   |-->Monitor "<default monitor>"
[    41.560] (==) No device specified for screen "Default Screen Section".
	Using the first device section listed.
[    41.560] (**) |   |-->Device "Intel Graphics"
[    41.560] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[    41.560] (==) Automatically adding devices
[    41.560] (==) Automatically enabling devices
[    41.560] (==) Automatically adding GPU devices
[    41.560] (==) Automatically binding GPU devices
[    41.560] (==) Max clients allowed: 256, resource mask: 0x1fffff
[    41.594] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/misc".
[    41.594] 	Entry deleted from font path.
[    41.594] 	(Run 'mkfontdir' on "/usr/share/fonts/misc").
[    41.594] (WW) The directory "/usr/share/fonts/TTF" does not exist.
[    41.594] 	Entry deleted from font path.
[    41.594] (WW) The directory "/usr/share/fonts/OTF" does not exist.
[    41.594] 	Entry deleted from font path.
[    41.594] (WW) The directory "/usr/share/fonts/Type1" does not exist.
[    41.594] 	Entry deleted from font path.
[    41.610] (==) FontPath set to:
	/usr/share/fonts/100dpi,
	/usr/share/fonts/75dpi
[    41.610] (==) ModulePath set to "/usr/lib/xorg/modules"
[    41.610] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[    41.610] (II) Module ABI versions:
[    41.610] 	X.Org ANSI C Emulation: 0.4
[    41.610] 	X.Org Video Driver: 24.0
[    41.610] 	X.Org XInput driver : 24.1
[    41.610] 	X.Org Server Extension : 10.0
[    41.612] (++) using VT number 1

[    41.612] (--) controlling tty is VT number 1, auto-enabling KeepTty
[    41.617] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_31
[    41.619] (II) xfree86: Adding drm device (/dev/dri/card0)
[    41.622] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 10 paused 0
[    41.632] (--) PCI:*(0@0:2:0) 8086:2a02:107b:0690 rev 3, Mem @ 0xf4000000/1048576, 0xd0000000/268435456, I/O @ 0x00001800/8, BIOS @ 0x????????/131072
[    41.632] (--) PCI: (0@0:2:1) 8086:2a03:107b:0690 rev 3, Mem @ 0xf4100000/1048576
[    41.632] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[    41.632] (II) LoadModule: "glx"
[    41.634] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[    41.818] (II) Module glx: vendor="X.Org Foundation"
[    41.818] 	compiled for 1.20.5, module version = 1.0.0
[    41.818] 	ABI class: X.Org Server Extension, version 10.0
[    41.818] (II) LoadModule: "intel"
[    41.819] (WW) Warning, couldn't open module intel
[    41.819] (EE) Failed to load module "intel" (module does not exist, 0)
[    41.819] (EE) No drivers available.
[    41.820] (EE) 
Fatal server error:
[    41.820] (EE) no screens found(EE) 
[    41.820] (EE) 
Please consult the The X.Org Foundation support 
	 at http://wiki.x.org
 for help. 
[    41.820] (EE) Please also check the log file at "/var/log/Xorg.0.log" for additional information.
[    41.820] (EE) 
[    41.866] (EE) Server terminated with error (1). Closing log file.

Xorg.0.log

[   855.682] (WW) Failed to open protocol names file lib/xorg/protocol.txt
[   855.685] 
X.Org X Server 1.20.5
X Protocol Version 11, Revision 0
[   855.690] Build Operating System: Linux Arch Linux
[   855.692] Current Operating System: Linux myegg 5.2.8-arch1-1-ARCH #1 SMP PREEMPT Fri Aug 9 21:36:07 UTC 2019 x86_64
[   855.692] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-linux root=/dev/sda7
[   855.696] Build Date: 30 June 2019  09:52:01AM
[   855.698]  
[   855.700] Current version of pixman: 0.38.4
[   855.703] 	Before reporting problems, check http://wiki.x.org
	to make sure that you have the latest version.
[   855.703] Markers: (--) probed, (**) from config file, (==) default setting,
	(++) from command line, (!!) notice, (II) informational,
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[   855.713] (==) Log file: "/var/log/Xorg.0.log", Time: Thu Aug 15 15:34:32 2019
[   855.715] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[   855.715] (==) No Layout section.  Using the first Screen section.
[   855.715] (==) No screen section available. Using defaults.
[   855.715] (**) |-->Screen "Default Screen Section" (0)
[   855.715] (**) |   |-->Monitor "<default monitor>"
[   855.715] (==) No monitor specified for screen "Default Screen Section".
	Using a default monitor configuration.
[   855.715] (==) Automatically adding devices
[   855.715] (==) Automatically enabling devices
[   855.716] (==) Automatically adding GPU devices
[   855.716] (==) Automatically binding GPU devices
[   855.716] (==) Max clients allowed: 256, resource mask: 0x1fffff
[   855.716] (WW) `fonts.dir' not found (or not valid) in "/usr/share/fonts/misc".
[   855.716] 	Entry deleted from font path.
[   855.716] 	(Run 'mkfontdir' on "/usr/share/fonts/misc").
[   855.716] (WW) The directory "/usr/share/fonts/TTF" does not exist.
[   855.716] 	Entry deleted from font path.
[   855.716] (WW) The directory "/usr/share/fonts/OTF" does not exist.
[   855.716] 	Entry deleted from font path.
[   855.716] (WW) The directory "/usr/share/fonts/Type1" does not exist.
[   855.716] 	Entry deleted from font path.
[   855.716] (==) FontPath set to:
	/usr/share/fonts/100dpi,
	/usr/share/fonts/75dpi
[   855.716] (==) ModulePath set to "/usr/lib/xorg/modules"
[   855.716] (II) The server relies on udev to provide the list of input devices.
	If no devices become available, reconfigure udev or disable AutoAddDevices.
[   855.716] (II) Module ABI versions:
[   855.716] 	X.Org ANSI C Emulation: 0.4
[   855.716] 	X.Org Video Driver: 24.0
[   855.716] 	X.Org XInput driver : 24.1
[   855.716] 	X.Org Server Extension : 10.0
[   855.717] (++) using VT number 1

[   855.717] (--) controlling tty is VT number 1, auto-enabling KeepTty
[   855.720] (II) systemd-logind: took control of session /org/freedesktop/login1/session/_31
[   855.722] (II) xfree86: Adding drm device (/dev/dri/card0)
[   855.723] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 10 paused 0
[   855.730] (--) PCI:*(0@0:2:0) 8086:2a02:107b:0690 rev 3, Mem @ 0xf4000000/1048576, 0xd0000000/268435456, I/O @ 0x00001800/8, BIOS @ 0x????????/131072
[   855.730] (--) PCI: (0@0:2:1) 8086:2a03:107b:0690 rev 3, Mem @ 0xf4100000/1048576
[   855.730] (WW) Open ACPI failed (/var/run/acpid.socket) (No such file or directory)
[   855.730] (II) LoadModule: "glx"
[   855.731] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[   855.735] (II) Module glx: vendor="X.Org Foundation"
[   855.735] 	compiled for 1.20.5, module version = 1.0.0
[   855.735] 	ABI class: X.Org Server Extension, version 10.0
[   855.735] (==) Matched intel as autoconfigured driver 0
[   855.735] (==) Matched modesetting as autoconfigured driver 1
[   855.735] (==) Matched fbdev as autoconfigured driver 2
[   855.735] (==) Matched vesa as autoconfigured driver 3
[   855.735] (==) Assigned the driver to the xf86ConfigLayout
[   855.735] (II) LoadModule: "intel"
[   855.735] (WW) Warning, couldn't open module intel
[   855.735] (EE) Failed to load module "intel" (module does not exist, 0)
[   855.735] (II) LoadModule: "modesetting"
[   855.735] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[   855.776] (II) Module modesetting: vendor="X.Org Foundation"
[   855.776] 	compiled for 1.20.5, module version = 1.20.5
[   855.776] 	Module class: X.Org Video Driver
[   855.776] 	ABI class: X.Org Video Driver, version 24.0
[   855.776] (II) LoadModule: "fbdev"
[   855.777] (WW) Warning, couldn't open module fbdev
[   855.777] (EE) Failed to load module "fbdev" (module does not exist, 0)
[   855.777] (II) LoadModule: "vesa"
[   855.777] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[   855.784] (II) Module vesa: vendor="X.Org Foundation"
[   855.784] 	compiled for 1.20.0, module version = 2.4.0
[   855.784] 	Module class: X.Org Video Driver
[   855.784] 	ABI class: X.Org Video Driver, version 24.0
[   855.784] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[   855.784] (II) VESA: driver for VESA chipsets: vesa
[   855.784] (II) modeset(0): using drv /dev/dri/card0
[   855.785] (II) modeset(0): Creating default Display subsection in Screen section
	"Default Screen Section" for depth/fbbpp 24/32
[   855.785] (==) modeset(0): Depth 24, (==) framebuffer bpp 32
[   855.785] (==) modeset(0): RGB weight 888
[   855.785] (==) modeset(0): Default visual is TrueColor
[   855.785] (II) Loading sub module "glamoregl"
[   855.785] (II) LoadModule: "glamoregl"
[   855.785] (II) Loading /usr/lib/xorg/modules/libglamoregl.so
[   855.877] (II) Module glamoregl: vendor="X.Org Foundation"
[   855.877] 	compiled for 1.20.5, module version = 1.0.1
[   855.877] 	ABI class: X.Org ANSI C Emulation, version 0.4
[   856.900] (II) modeset(0): glamor X acceleration enabled on Mesa DRI Intel(R) 965GM 
[   856.900] (II) modeset(0): glamor initialized
[   856.901] (II) modeset(0): Output LVDS-1 has no monitor section
[   856.909] (II) modeset(0): Output VGA-1 has no monitor section
[   856.923] (II) modeset(0): EDID for output LVDS-1
[   856.923] (II) modeset(0): Manufacturer: SEC  Model: 3847  Serial#: 0
[   856.923] (II) modeset(0): Year: 2006  Week: 0
[   856.923] (II) modeset(0): EDID Version: 1.3
[   856.923] (II) modeset(0): Digital Display Input
[   856.923] (II) modeset(0): Max Image Size [cm]: horiz.: 37  vert.: 23
[   856.923] (II) modeset(0): Gamma: 2.20
[   856.923] (II) modeset(0): No DPMS capabilities specified
[   856.923] (II) modeset(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4 
[   856.923] (II) modeset(0): First detailed timing is preferred mode
[   856.923] (II) modeset(0): redX: 0.580 redY: 0.340   greenX: 0.310 greenY: 0.550
[   856.923] (II) modeset(0): blueX: 0.155 blueY: 0.155   whiteX: 0.313 whiteY: 0.329
[   856.924] (II) modeset(0): Manufacturer's mask: 0
[   856.924] (II) modeset(0): Supported detailed timing:
[   856.924] (II) modeset(0): clock: 96.3 MHz   Image Size:  367 x 230 mm
[   856.924] (II) modeset(0): h_active: 1440  h_sync: 1504  h_sync_end 1536 h_blank_end 1760 h_border: 0
[   856.924] (II) modeset(0): v_active: 900  v_sync: 903  v_sync_end 906 v_blanking: 912 v_border: 0
[   856.924] (II) modeset(0): Unknown vendor-specific block f
[   856.924] (II) modeset(0):  SAMSUNG
[   856.924] (II) modeset(0):  LTN170X2-L02
[   856.924] (II) modeset(0): EDID (in hex):
[   856.924] (II) modeset(0): 	00ffffffffffff004ca3473800000000
[   856.924] (II) modeset(0): 	00100103802517780a87f594574f8c27
[   856.924] (II) modeset(0): 	27505400000001010101010101010101
[   856.924] (II) modeset(0): 	0101010101019f25a04051840c304020
[   856.924] (II) modeset(0): 	33006fe6100000190000000f00000000
[   856.924] (II) modeset(0): 	000000000078e6022300000000fe0053
[   856.924] (II) modeset(0): 	414d53554e470a2020202020000000fe
[   856.924] (II) modeset(0): 	004c544e31373058322d4c30320a00f1
[   856.924] (II) modeset(0): Printing probed modes for output LVDS-1
[   856.924] (II) modeset(0): Modeline "1440x900"x60.0   96.31  1440 1504 1536 1760  900 903 906 912 -hsync -vsync (54.7 kHz eP)
[   856.924] (II) modeset(0): Modeline "1400x900"x60.0  103.50  1400 1480 1624 1848  900 903 913 934 -hsync +vsync (56.0 kHz d)
[   856.924] (II) modeset(0): Modeline "1400x900"x59.9   86.50  1400 1448 1480 1560  900 903 913 926 +hsync -vsync (55.4 kHz d)
[   856.924] (II) modeset(0): Modeline "1440x810"x120.0  198.12  1440 1548 1704 1968  810 811 814 839 doublescan -hsync +vsync (100.7 kHz d)
[   856.925] (II) modeset(0): Modeline "1440x810"x119.9  151.88  1440 1464 1480 1520  810 811 814 833 doublescan +hsync -vsync (99.9 kHz d)
[   856.925] (II) modeset(0): Modeline "1368x768"x59.9   85.25  1368 1440 1576 1784  768 771 781 798 -hsync +vsync (47.8 kHz d)
[   856.925] (II) modeset(0): Modeline "1368x768"x59.9   72.25  1368 1416 1448 1528  768 771 781 790 +hsync -vsync (47.3 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x800"x120.0  174.25  1280 1380 1516 1752  800 801 804 829 doublescan -hsync +vsync (99.5 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x800"x119.9  134.25  1280 1304 1320 1360  800 801 804 823 doublescan +hsync -vsync (98.7 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x800"x59.8   83.50  1280 1352 1480 1680  800 803 809 831 -hsync +vsync (49.7 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x800"x59.9   71.00  1280 1328 1360 1440  800 803 809 823 +hsync -vsync (49.3 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x720"x120.0  156.12  1280 1376 1512 1744  720 721 724 746 doublescan -hsync +vsync (89.5 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x720"x120.0  120.75  1280 1304 1320 1360  720 721 724 740 doublescan +hsync -vsync (88.8 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x720"x59.9   74.50  1280 1344 1472 1664  720 723 728 748 -hsync +vsync (44.8 kHz d)
[   856.925] (II) modeset(0): Modeline "1280x720"x59.7   63.75  1280 1328 1360 1440  720 723 728 741 +hsync -vsync (44.3 kHz d)
[   856.925] (II) modeset(0): Modeline "1024x768"x120.1  133.47  1024 1100 1212 1400  768 768 770 794 doublescan -hsync +vsync (95.3 kHz d)
[   856.925] (II) modeset(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 1344  768 771 777 806 -hsync -vsync (48.4 kHz d)
[   856.925] (II) modeset(0): Modeline "960x720"x120.0  117.00  960 1024 1128 1300  720 720 722 750 doublescan -hsync +vsync (90.0 kHz d)
[   856.925] (II) modeset(0): Modeline "928x696"x120.1  109.15  928 976 1088 1264  696 696 698 719 doublescan -hsync +vsync (86.4 kHz d)
[   856.925] (II) modeset(0): Modeline "896x672"x120.0  102.40  896 960 1060 1224  672 672 674 697 doublescan -hsync +vsync (83.7 kHz d)
[   856.925] (II) modeset(0): Modeline "1024x576"x119.9   98.50  1024 1092 1200 1376  576 577 580 597 doublescan -hsync +vsync (71.6 kHz d)
[   856.925] (II) modeset(0): Modeline "1024x576"x119.9   78.38  1024 1048 1064 1104  576 577 580 592 doublescan +hsync -vsync (71.0 kHz d)
[   856.925] (II) modeset(0): Modeline "1024x576"x59.9   46.50  1024 1064 1160 1296  576 579 584 599 -hsync +vsync (35.9 kHz d)
[   856.925] (II) modeset(0): Modeline "1024x576"x59.8   42.00  1024 1072 1104 1184  576 579 584 593 +hsync -vsync (35.5 kHz d)
[   856.925] (II) modeset(0): Modeline "960x600"x119.9   96.62  960 1028 1128 1296  600 601 604 622 doublescan -hsync +vsync (74.6 kHz d)
[   856.925] (II) modeset(0): Modeline "960x600"x120.0   77.00  960 984 1000 1040  600 601 604 617 doublescan +hsync -vsync (74.0 kHz d)
[   856.925] (II) modeset(0): Modeline "960x540"x119.9   86.50  960 1024 1124 1288  540 541 544 560 doublescan -hsync +vsync (67.2 kHz d)
[   856.925] (II) modeset(0): Modeline "960x540"x120.0   69.25  960 984 1000 1040  540 541 544 555 doublescan +hsync -vsync (66.6 kHz d)
[   856.925] (II) modeset(0): Modeline "960x540"x59.6   40.75  960 992 1088 1216  540 543 548 562 -hsync +vsync (33.5 kHz d)
[   856.925] (II) modeset(0): Modeline "960x540"x59.8   37.25  960 1008 1040 1120  540 543 548 556 +hsync -vsync (33.3 kHz d)
[   856.925] (II) modeset(0): Modeline "800x600"x120.0   81.00  800 832 928 1080  600 600 602 625 doublescan +hsync +vsync (75.0 kHz d)
[   856.925] (II) modeset(0): Modeline "800x600"x60.3   40.00  800 840 968 1056  600 601 605 628 +hsync +vsync (37.9 kHz d)
[   856.925] (II) modeset(0): Modeline "800x600"x56.2   36.00  800 824 896 1024  600 601 603 625 +hsync +vsync (35.2 kHz d)
[   856.925] (II) modeset(0): Modeline "840x525"x120.0   73.12  840 892 980 1120  525 526 529 544 doublescan -hsync +vsync (65.3 kHz d)
[   856.925] (II) modeset(0): Modeline "840x525"x119.8   59.50  840 864 880 920  525 526 529 540 doublescan +hsync -vsync (64.7 kHz d)
[   856.925] (II) modeset(0): Modeline "864x486"x59.9   32.50  864 888 968 1072  486 489 494 506 -hsync +vsync (30.3 kHz d)
[   856.925] (II) modeset(0): Modeline "864x486"x59.6   30.50  864 912 944 1024  486 489 494 500 +hsync -vsync (29.8 kHz d)
[   856.926] (II) modeset(0): Modeline "700x525"x120.0   61.00  700 744 820 940  525 526 532 541 doublescan +hsync +vsync (64.9 kHz d)
[   856.926] (II) modeset(0): Modeline "800x450"x119.9   59.12  800 848 928 1056  450 451 454 467 doublescan -hsync +vsync (56.0 kHz d)
[   856.926] (II) modeset(0): Modeline "800x450"x119.6   48.75  800 824 840 880  450 451 454 463 doublescan +hsync -vsync (55.4 kHz d)
[   856.926] (II) modeset(0): Modeline "640x512"x120.0   54.00  640 664 720 844  512 512 514 533 doublescan +hsync +vsync (64.0 kHz d)
[   856.926] (II) modeset(0): Modeline "700x450"x119.9   51.75  700 740 812 924  450 451 456 467 doublescan -hsync +vsync (56.0 kHz d)
[   856.926] (II) modeset(0): Modeline "700x450"x119.8   43.25  700 724 740 780  450 451 456 463 doublescan +hsync -vsync (55.4 kHz d)
[   856.926] (II) modeset(0): Modeline "640x480"x120.0   54.00  640 688 744 900  480 480 482 500 doublescan +hsync +vsync (60.0 kHz d)
[   856.926] (II) modeset(0): Modeline "640x480"x59.9   25.18  640 656 752 800  480 490 492 525 -hsync -vsync (31.5 kHz d)
[   856.926] (II) modeset(0): Modeline "720x405"x59.5   22.50  720 744 808 896  405 408 413 422 -hsync +vsync (25.1 kHz d)
[   856.926] (II) modeset(0): Modeline "720x405"x59.0   21.75  720 768 800 880  405 408 413 419 +hsync -vsync (24.7 kHz d)
[   856.926] (II) modeset(0): Modeline "684x384"x119.8   42.62  684 720 788 892  384 385 390 399 doublescan -hsync +vsync (47.8 kHz d)
[   856.926] (II) modeset(0): Modeline "684x384"x119.7   36.12  684 708 724 764  384 385 390 395 doublescan +hsync -vsync (47.3 kHz d)
[   856.926] (II) modeset(0): Modeline "640x400"x119.8   41.75  640 676 740 840  400 401 404 415 doublescan -hsync +vsync (49.7 kHz d)
[   856.926] (II) modeset(0): Modeline "640x400"x120.0   35.50  640 664 680 720  400 401 404 411 doublescan +hsync -vsync (49.3 kHz d)
[   856.926] (II) modeset(0): Modeline "640x360"x119.7   37.25  640 672 736 832  360 361 364 374 doublescan -hsync +vsync (44.8 kHz d)
[   856.926] (II) modeset(0): Modeline "640x360"x119.7   31.88  640 664 680 720  360 361 364 370 doublescan +hsync -vsync (44.3 kHz d)
[   856.926] (II) modeset(0): Modeline "640x360"x59.8   18.00  640 664 720 800  360 363 368 376 -hsync +vsync (22.5 kHz d)
[   856.926] (II) modeset(0): Modeline "640x360"x59.3   17.75  640 688 720 800  360 363 368 374 +hsync -vsync (22.2 kHz d)
[   856.926] (II) modeset(0): Modeline "512x384"x120.0   32.50  512 524 592 672  384 385 388 403 doublescan -hsync -vsync (48.4 kHz d)
[   856.926] (II) modeset(0): Modeline "512x288"x120.0   23.25  512 532 580 648  288 289 292 299 doublescan -hsync +vsync (35.9 kHz d)
[   856.926] (II) modeset(0): Modeline "512x288"x119.8   21.00  512 536 552 592  288 289 292 296 doublescan +hsync -vsync (35.5 kHz d)
[   856.926] (II) modeset(0): Modeline "480x270"x119.3   20.38  480 496 544 608  270 271 274 281 doublescan -hsync +vsync (33.5 kHz d)
[   856.926] (II) modeset(0): Modeline "480x270"x119.6   18.62  480 504 520 560  270 271 274 278 doublescan +hsync -vsync (33.3 kHz d)
[   856.926] (II) modeset(0): Modeline "400x300"x120.6   20.00  400 420 484 528  300 300 302 314 doublescan +hsync +vsync (37.9 kHz d)
[   856.926] (II) modeset(0): Modeline "400x300"x112.7   18.00  400 412 448 512  300 300 301 312 doublescan +hsync +vsync (35.2 kHz d)
[   856.926] (II) modeset(0): Modeline "432x243"x119.8   16.25  432 444 484 536  243 244 247 253 doublescan -hsync +vsync (30.3 kHz d)
[   856.926] (II) modeset(0): Modeline "432x243"x119.1   15.25  432 456 472 512  243 244 247 250 doublescan +hsync -vsync (29.8 kHz d)
[   856.926] (II) modeset(0): Modeline "320x240"x120.1   12.59  320 328 376 400  240 245 246 262 doublescan -hsync -vsync (31.5 kHz d)
[   856.926] (II) modeset(0): Modeline "360x202"x119.0   11.25  360 372 404 448  202 204 206 211 doublescan -hsync +vsync (25.1 kHz d)
[   856.926] (II) modeset(0): Modeline "360x202"x118.3   10.88  360 384 400 440  202 204 206 209 doublescan +hsync -vsync (24.7 kHz d)
[   856.926] (II) modeset(0): Modeline "320x180"x119.7    9.00  320 332 360 400  180 181 184 188 doublescan -hsync +vsync (22.5 kHz d)
[   856.926] (II) modeset(0): Modeline "320x180"x118.6    8.88  320 344 360 400  180 181 184 187 doublescan +hsync -vsync (22.2 kHz d)
[   856.935] (II) modeset(0): EDID for output VGA-1
[   856.935] (II) modeset(0): Output LVDS-1 connected
[   856.935] (II) modeset(0): Output VGA-1 disconnected
[   856.935] (II) modeset(0): Using exact sizes for initial modes
[   856.935] (II) modeset(0): Output LVDS-1 using initial mode 1440x900 +0+0
[   856.935] (==) modeset(0): Using gamma correction (1.0, 1.0, 1.0)
[   856.935] (==) modeset(0): DPI set to (96, 96)
[   856.935] (II) Loading sub module "fb"
[   856.935] (II) LoadModule: "fb"
[   856.935] (II) Loading /usr/lib/xorg/modules/libfb.so
[   856.954] (II) Module fb: vendor="X.Org Foundation"
[   856.954] 	compiled for 1.20.5, module version = 1.0.0
[   856.954] 	ABI class: X.Org ANSI C Emulation, version 0.4
[   856.954] (II) UnloadModule: "vesa"
[   856.954] (II) Unloading vesa
[   857.181] (==) modeset(0): Backing store enabled
[   857.181] (==) modeset(0): Silken mouse disabled
[   857.219] (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
[   857.219] (==) modeset(0): DPMS enabled
[   857.220] (II) modeset(0): [DRI2] Setup complete
[   857.220] (II) modeset(0): [DRI2]   DRI driver: i965
[   857.220] (II) modeset(0): [DRI2]   VDPAU driver: i965
[   857.220] (II) Initializing extension Generic Event Extension
[   857.221] (II) Initializing extension SHAPE
[   857.221] (II) Initializing extension MIT-SHM
[   857.221] (II) Initializing extension XInputExtension
[   857.221] (II) Initializing extension XTEST
[   857.221] (II) Initializing extension BIG-REQUESTS
[   857.221] (II) Initializing extension SYNC
[   857.221] (II) Initializing extension XKEYBOARD
[   857.221] (II) Initializing extension XC-MISC
[   857.221] (II) Initializing extension SECURITY
[   857.221] (II) Initializing extension XFIXES
[   857.221] (II) Initializing extension RENDER
[   857.221] (II) Initializing extension RANDR
[   857.221] (II) Initializing extension COMPOSITE
[   857.221] (II) Initializing extension DAMAGE
[   857.221] (II) Initializing extension MIT-SCREEN-SAVER
[   857.221] (II) Initializing extension DOUBLE-BUFFER
[   857.221] (II) Initializing extension RECORD
[   857.221] (II) Initializing extension DPMS
[   857.221] (II) Initializing extension Present
[   857.221] (II) Initializing extension DRI3
[   857.221] (II) Initializing extension X-Resource
[   857.221] (II) Initializing extension XVideo
[   857.221] (II) Initializing extension XVideo-MotionCompensation
[   857.221] (II) Initializing extension GLX
[   857.240] (II) AIGLX: Loaded and initialized i965
[   857.240] (II) GLX: Initialized DRI2 GL provider for screen 0
[   857.240] (II) Initializing extension XFree86-VidModeExtension
[   857.240] (II) Initializing extension XFree86-DGA
[   857.240] (II) Initializing extension XFree86-DRI
[   857.240] (II) Initializing extension DRI2
[   857.444] (II) modeset(0): Damage tracking initialized
[   857.444] (II) modeset(0): Setting screen physical size to 381 x 238
[   858.149] (II) config/udev: Adding input device Power Button (/dev/input/event2)
[   858.149] (**) Power Button: Applying InputClass "libinput keyboard catchall"
[   858.149] (II) LoadModule: "libinput"
[   858.149] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[   858.208] (II) Module libinput: vendor="X.Org Foundation"
[   858.208] 	compiled for 1.20.3, module version = 0.28.2
[   858.208] 	Module class: X.Org XInput Driver
[   858.208] 	ABI class: X.Org XInput driver, version 24.1
[   858.208] (II) Using input driver 'libinput' for 'Power Button'
[   858.211] (II) systemd-logind: got fd for /dev/input/event2 13:66 fd 17 paused 0
[   858.211] (**) Power Button: always reports core events
[   858.211] (**) Option "Device" "/dev/input/event2"
[   858.211] (**) Option "_source" "server/udev"
[   858.272] (II) event2  - Power Button: is tagged by udev as: Keyboard
[   858.272] (II) event2  - Power Button: device is a keyboard
[   858.272] (II) event2  - Power Button: device removed
[   858.272] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input2/event2"
[   858.272] (II) XINPUT: Adding extended input device "Power Button" (type: KEYBOARD, id 6)
[   858.274] (II) event2  - Power Button: is tagged by udev as: Keyboard
[   858.274] (II) event2  - Power Button: device is a keyboard
[   858.276] (II) config/udev: Adding input device Video Bus (/dev/input/event10)
[   858.276] (**) Video Bus: Applying InputClass "libinput keyboard catchall"
[   858.276] (II) Using input driver 'libinput' for 'Video Bus'
[   858.278] (II) systemd-logind: got fd for /dev/input/event10 13:74 fd 20 paused 0
[   858.278] (**) Video Bus: always reports core events
[   858.278] (**) Option "Device" "/dev/input/event10"
[   858.278] (**) Option "_source" "server/udev"
[   858.280] (II) event10 - Video Bus: is tagged by udev as: Keyboard
[   858.280] (II) event10 - Video Bus: device is a keyboard
[   858.280] (II) event10 - Video Bus: device removed
[   858.280] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:01/input/input17/event10"
[   858.281] (II) XINPUT: Adding extended input device "Video Bus" (type: KEYBOARD, id 7)
[   858.283] (II) event10 - Video Bus: is tagged by udev as: Keyboard
[   858.283] (II) event10 - Video Bus: device is a keyboard
[   858.285] (II) config/udev: Adding input device Lid Switch (/dev/input/event0)
[   858.285] (II) No input driver specified, ignoring this device.
[   858.285] (II) This device may have been added with another device file.
[   858.286] (II) config/udev: Adding input device Sleep Button (/dev/input/event1)
[   858.286] (**) Sleep Button: Applying InputClass "libinput keyboard catchall"
[   858.286] (II) Using input driver 'libinput' for 'Sleep Button'
[   858.288] (II) systemd-logind: got fd for /dev/input/event1 13:65 fd 21 paused 0
[   858.288] (**) Sleep Button: always reports core events
[   858.288] (**) Option "Device" "/dev/input/event1"
[   858.288] (**) Option "_source" "server/udev"
[   858.290] (II) event1  - Sleep Button: is tagged by udev as: Keyboard
[   858.290] (II) event1  - Sleep Button: device is a keyboard
[   858.290] (II) event1  - Sleep Button: device removed
[   858.290] (**) Option "config_info" "udev:/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0C0E:00/input/input1/event1"
[   858.290] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 8)
[   858.293] (II) event1  - Sleep Button: is tagged by udev as: Keyboard
[   858.293] (II) event1  - Sleep Button: device is a keyboard
[   858.295] (II) config/udev: Adding input device HDA Digital PCBeep (/dev/input/event11)
[   858.295] (II) No input driver specified, ignoring this device.
[   858.295] (II) This device may have been added with another device file.
[   858.296] (II) config/udev: Adding input device HDA Intel Mic (/dev/input/event12)
[   858.296] (II) No input driver specified, ignoring this device.
[   858.296] (II) This device may have been added with another device file.
[   858.297] (II) config/udev: Adding input device HDA Intel Headphone (/dev/input/event13)
[   858.297] (II) No input driver specified, ignoring this device.
[   858.297] (II) This device may have been added with another device file.
[   858.299] (II) config/udev: Adding input device HID 045e:0009 (/dev/input/event4)
[   858.299] (**) HID 045e:0009: Applying InputClass "libinput pointer catchall"
[   858.299] (II) Using input driver 'libinput' for 'HID 045e:0009'
[   858.360] (II) systemd-logind: got fd for /dev/input/event4 13:68 fd 22 paused 0
[   858.360] (**) HID 045e:0009: always reports core events
[   858.360] (**) Option "Device" "/dev/input/event4"
[   858.360] (**) Option "_source" "server/udev"
[   858.366] (II) event4  - HID 045e:0009: is tagged by udev as: Mouse
[   858.367] (II) event4  - HID 045e:0009: device is a pointer
[   858.367] (II) event4  - HID 045e:0009: device removed
[   858.367] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1.2/5-1.2:1.0/0003:045E:0009.0001/input/input8/event4"
[   858.367] (II) XINPUT: Adding extended input device "HID 045e:0009" (type: MOUSE, id 9)
[   858.368] (**) Option "AccelerationScheme" "none"
[   858.368] (**) HID 045e:0009: (accel) selected scheme none/0
[   858.368] (**) HID 045e:0009: (accel) acceleration factor: 2.000
[   858.368] (**) HID 045e:0009: (accel) acceleration threshold: 4
[   858.374] (II) event4  - HID 045e:0009: is tagged by udev as: Mouse
[   858.375] (II) event4  - HID 045e:0009: device is a pointer
[   858.378] (II) config/udev: Adding input device HID 045e:0009 (/dev/input/mouse0)
[   858.378] (II) No input driver specified, ignoring this device.
[   858.378] (II) This device may have been added with another device file.
[   858.380] (II) config/udev: Adding input device SEM USB Keyboard (/dev/input/event5)
[   858.380] (**) SEM USB Keyboard: Applying InputClass "libinput keyboard catchall"
[   858.381] (II) Using input driver 'libinput' for 'SEM USB Keyboard'
[   858.383] (II) systemd-logind: got fd for /dev/input/event5 13:69 fd 23 paused 0
[   858.383] (**) SEM USB Keyboard: always reports core events
[   858.383] (**) Option "Device" "/dev/input/event5"
[   858.383] (**) Option "_source" "server/udev"
[   858.389] (II) event5  - SEM USB Keyboard: is tagged by udev as: Keyboard
[   858.389] (II) event5  - SEM USB Keyboard: device is a keyboard
[   858.389] (II) event5  - SEM USB Keyboard: device removed
[   858.390] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1.3/5-1.3:1.0/0003:1A2C:2124.0002/input/input9/event5"
[   858.390] (II) XINPUT: Adding extended input device "SEM USB Keyboard" (type: KEYBOARD, id 10)
[   858.394] (II) event5  - SEM USB Keyboard: is tagged by udev as: Keyboard
[   858.394] (II) event5  - SEM USB Keyboard: device is a keyboard
[   858.396] (II) config/udev: Adding input device SEM USB Keyboard Consumer Control (/dev/input/event6)
[   858.396] (**) SEM USB Keyboard Consumer Control: Applying InputClass "libinput keyboard catchall"
[   858.396] (II) Using input driver 'libinput' for 'SEM USB Keyboard Consumer Control'
[   858.399] (II) systemd-logind: got fd for /dev/input/event6 13:70 fd 24 paused 0
[   858.399] (**) SEM USB Keyboard Consumer Control: always reports core events
[   858.399] (**) Option "Device" "/dev/input/event6"
[   858.399] (**) Option "_source" "server/udev"
[   858.403] (II) event6  - SEM USB Keyboard Consumer Control: is tagged by udev as: Keyboard
[   858.403] (II) event6  - SEM USB Keyboard Consumer Control: device is a keyboard
[   858.404] (II) event6  - SEM USB Keyboard Consumer Control: device removed
[   858.404] (II) libinput: SEM USB Keyboard Consumer Control: needs a virtual subdevice
[   858.404] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1.3/5-1.3:1.1/0003:1A2C:2124.0003/input/input10/event6"
[   858.404] (II) XINPUT: Adding extended input device "SEM USB Keyboard Consumer Control" (type: MOUSE, id 11)
[   858.404] (**) Option "AccelerationScheme" "none"
[   858.404] (**) SEM USB Keyboard Consumer Control: (accel) selected scheme none/0
[   858.404] (**) SEM USB Keyboard Consumer Control: (accel) acceleration factor: 2.000
[   858.404] (**) SEM USB Keyboard Consumer Control: (accel) acceleration threshold: 4
[   858.408] (II) event6  - SEM USB Keyboard Consumer Control: is tagged by udev as: Keyboard
[   858.408] (II) event6  - SEM USB Keyboard Consumer Control: device is a keyboard
[   858.410] (II) config/udev: Adding input device SEM USB Keyboard System Control (/dev/input/event7)
[   858.411] (**) SEM USB Keyboard System Control: Applying InputClass "libinput keyboard catchall"
[   858.411] (II) Using input driver 'libinput' for 'SEM USB Keyboard System Control'
[   858.413] (II) systemd-logind: got fd for /dev/input/event7 13:71 fd 25 paused 0
[   858.413] (**) SEM USB Keyboard System Control: always reports core events
[   858.413] (**) Option "Device" "/dev/input/event7"
[   858.413] (**) Option "_source" "server/udev"
[   858.417] (II) event7  - SEM USB Keyboard System Control: is tagged by udev as: Keyboard
[   858.417] (II) event7  - SEM USB Keyboard System Control: device is a keyboard
[   858.417] (II) event7  - SEM USB Keyboard System Control: device removed
[   858.417] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1.3/5-1.3:1.1/0003:1A2C:2124.0003/input/input11/event7"
[   858.418] (II) XINPUT: Adding extended input device "SEM USB Keyboard System Control" (type: KEYBOARD, id 12)
[   858.422] (II) event7  - SEM USB Keyboard System Control: is tagged by udev as: Keyboard
[   858.422] (II) event7  - SEM USB Keyboard System Control: device is a keyboard
[   858.424] (II) config/udev: Adding input device AT Translated Set 2 keyboard (/dev/input/event3)
[   858.424] (**) AT Translated Set 2 keyboard: Applying InputClass "libinput keyboard catchall"
[   858.424] (II) Using input driver 'libinput' for 'AT Translated Set 2 keyboard'
[   858.426] (II) systemd-logind: got fd for /dev/input/event3 13:67 fd 26 paused 0
[   858.426] (**) AT Translated Set 2 keyboard: always reports core events
[   858.426] (**) Option "Device" "/dev/input/event3"
[   858.426] (**) Option "_source" "server/udev"
[   858.430] (II) event3  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[   858.430] (II) event3  - AT Translated Set 2 keyboard: device is a keyboard
[   858.433] (II) event3  - AT Translated Set 2 keyboard: device removed
[   858.433] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio0/input/input3/event3"
[   858.433] (II) XINPUT: Adding extended input device "AT Translated Set 2 keyboard" (type: KEYBOARD, id 13)
[   858.437] (II) event3  - AT Translated Set 2 keyboard: is tagged by udev as: Keyboard
[   858.437] (II) event3  - AT Translated Set 2 keyboard: device is a keyboard
[   858.440] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event9)
[   858.440] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "libinput touchpad catchall"
[   858.440] (II) Using input driver 'libinput' for 'SynPS/2 Synaptics TouchPad'
[   858.442] (II) systemd-logind: got fd for /dev/input/event9 13:73 fd 27 paused 0
[   858.442] (**) SynPS/2 Synaptics TouchPad: always reports core events
[   858.442] (**) Option "Device" "/dev/input/event9"
[   858.442] (**) Option "_source" "server/udev"
[   858.445] (II) event9  - SynPS/2 Synaptics TouchPad: is tagged by udev as: Touchpad
[   858.448] (II) event9  - SynPS/2 Synaptics TouchPad: device is a touchpad
[   858.448] (II) event9  - SynPS/2 Synaptics TouchPad: device removed
[   858.449] (**) Option "config_info" "udev:/sys/devices/platform/i8042/serio2/input/input13/event9"
[   858.449] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 14)
[   858.450] (**) Option "AccelerationScheme" "none"
[   858.450] (**) SynPS/2 Synaptics TouchPad: (accel) selected scheme none/0
[   858.450] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
[   858.450] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
[   858.453] (II) event9  - SynPS/2 Synaptics TouchPad: is tagged by udev as: Touchpad
[   858.456] (II) event9  - SynPS/2 Synaptics TouchPad: device is a touchpad
[   858.458] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse1)
[   858.458] (II) No input driver specified, ignoring this device.
[   858.458] (II) This device may have been added with another device file.
[   858.459] (II) config/udev: Adding input device PC Speaker (/dev/input/event8)
[   858.459] (II) No input driver specified, ignoring this device.
[   858.459] (II) This device may have been added with another device file.
[   858.487] (**) SEM USB Keyboard Consumer Control: Applying InputClass "libinput keyboard catchall"
[   858.487] (II) Using input driver 'libinput' for 'SEM USB Keyboard Consumer Control'
[   858.487] (II) systemd-logind: returning pre-existing fd for /dev/input/event6 13:70
[   858.487] (**) SEM USB Keyboard Consumer Control: always reports core events
[   858.487] (**) Option "Device" "/dev/input/event6"
[   858.487] (**) Option "_source" "_driver/libinput"
[   858.487] (II) libinput: SEM USB Keyboard Consumer Control: is a virtual subdevice
[   858.487] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:1d.0/usb5/5-1/5-1.3/5-1.3:1.1/0003:1A2C:2124.0003/input/input10/event6"
[   858.487] (II) XINPUT: Adding extended input device "SEM USB Keyboard Consumer Control" (type: KEYBOARD, id 15)
[   866.736] (II) modeset(0): EDID vendor "SEC", prod id 14407
[   866.737] (II) modeset(0): Printing DDC gathered Modelines:
[   866.737] (II) modeset(0): Modeline "1440x900"x0.0   96.31  1440 1504 1536 1760  900 903 906 912 -hsync -vsync (54.7 kHz eP)
[   925.823] (**) Option "fd" "17"
[   925.823] (II) event2  - Power Button: device removed
[   925.823] (**) Option "fd" "20"
[   925.823] (II) event10 - Video Bus: device removed
[   925.823] (**) Option "fd" "21"
[   925.823] (II) event1  - Sleep Button: device removed
[   925.823] (**) Option "fd" "22"
[   925.823] (II) event4  - HID 045e:0009: device removed
[   925.824] (**) Option "fd" "23"
[   925.824] (II) event5  - SEM USB Keyboard: device removed
[   925.824] (**) Option "fd" "24"
[   925.824] (**) Option "fd" "25"
[   925.824] (II) event7  - SEM USB Keyboard System Control: device removed
[   925.824] (**) Option "fd" "26"
[   925.824] (II) event3  - AT Translated Set 2 keyboard: device removed
[   925.824] (**) Option "fd" "27"
[   925.824] (II) event9  - SynPS/2 Synaptics TouchPad: device removed
[   925.825] (**) Option "fd" "24"
[   925.825] (II) event6  - SEM USB Keyboard Consumer Control: device removed
[   925.840] (II) UnloadModule: "libinput"
[   925.840] (II) systemd-logind: not releasing fd for 13:70, still in use
[   925.841] (II) UnloadModule: "libinput"
[   925.841] (II) systemd-logind: releasing fd for 13:73
[   925.866] (II) UnloadModule: "libinput"
[   925.866] (II) systemd-logind: releasing fd for 13:67
[   925.879] (II) UnloadModule: "libinput"
[   925.879] (II) systemd-logind: releasing fd for 13:71
[   925.896] (II) UnloadModule: "libinput"
[   925.896] (II) systemd-logind: releasing fd for 13:70
[   925.919] (II) UnloadModule: "libinput"
[   925.919] (II) systemd-logind: releasing fd for 13:69
[   925.952] (II) UnloadModule: "libinput"
[   925.952] (II) systemd-logind: releasing fd for 13:68
[   925.982] (II) UnloadModule: "libinput"
[   925.982] (II) systemd-logind: releasing fd for 13:65
[   926.009] (II) UnloadModule: "libinput"
[   926.009] (II) systemd-logind: releasing fd for 13:74
[   926.073] (II) UnloadModule: "libinput"
[   926.073] (II) systemd-logind: releasing fd for 13:66
[   926.145] (II) Server terminated successfully (0). Closing log file.

Last edited by johnywhy (2019-08-16 01:18:06)

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#8 2019-08-16 01:27:06

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

Okay, so you are using the modesetting driver. When you created the "/etc/X11/xorg.conf.d/20-intel.conf" file you specified the intel driver, but you don't have it installed. That's why the boot failed.

There are 2 options:
1. Install the intel driver (something like xf86-video-intel) in your distro's repositories and try that file again,
2. Try the "acpi_backlight=none" and "acpi_backlight=vendor" command line parameters (separately, not both at once).

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#9 2019-08-16 01:30:47

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

"command line parameters"?

You mean 20-video.conf?

THX

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#10 2019-08-16 01:37:34

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

johnywhy wrote:

"command line parameters"?

You mean 20-video.conf?

THX

No, kernel command line parameters. Have a read through this Ubuntu wiki document on testing and setting kernel parameters. Follow the "Temporarily Add a Kernel Boot Parameter for Testing" section twice - once to try the "acpi_backlight=none" parameter and once to test the "acpi_backlight=vendor" parameter. After each time you add a paramter and boot, test the brightness keys/slider. If they work, you've found the magic parameter. Then follow the "Permanently Add a Kernel Boot Parameter" section to make it permanent.

If neither of those work, then you can try the /etc/X11/xorg.conf.d/20-intel.conf method again with the intel driver installed.

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#11 2019-08-16 06:08:24

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

Unsure if i'm doing this right.

I created /etc/sysctl.d/99-sysctl.conf
acpi_backlight=none

then ran
sysctl --system

brightness controls didn't work.

Then tried same with
acpi_backlight=vendor

Still no control.

Also tried the following, which i think gets applied immediately, without further commands, correct?
# sysctl acpi_backlight=none       
sysctl: cannot stat /proc/sys/acpi_backlight: No such file or directory

# sysctl kernel.acpi_backlight=none   
sysctl: cannot stat /proc/sys/kernel/acpi_backlight: No such file or directory

Nothing worked.
Do i need to reboot?

thx!

Last edited by johnywhy (2019-08-16 06:09:18)

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#12 2019-08-16 12:04:00

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

No, not like that.
Following the instructions from https://wiki.ubuntu.com/Kernel/KernelBo … or_Testing:

1. Restart your system, or shut it down and then power it on again.

2. As the system starts to boot repeated tap the Esc key in order to force the "GNU GRUB" menu to appear. For BIOS-mode (not UEFI-mode) booting a SHIFT key can be held down continuously until the menu appears. The "GNU GRUB" menu will look something like this:
(If the system hangs at the initial vendor logo screen when you hold down SHIFT, just release the SHIFT key briefly then hold it down again until the "GNU GRUB" menu appears. _

3. Once the "GNU GRUB" menu appears highlight the desired entry and press the e key to enter edit mode. The edit mode screen will look something like this:

4. Use the down arrow key to move the cursor to the line beginning with the word "linux", then press the END key to move the cursor to the end of that line. Normally this will be just after the words "quiet splash".

5. Press SPACE to add a blank space (after "splash") then carefully type in the kernel boot parameter that you need to add. (If you need to add multiple parameters separate them with SPACE but do not add spaces before or after any = signs or punctuation in the parameters themselves).

5. Press Ctrl+X to boot the system using the parameters you've added.

The screen shot images are at that link above to show you what it looks like,

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#13 2019-08-16 19:12:14

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

Both switches worked!
But only when I manually edited the live grub.

If I put into /etc/default/grub as instructed, has no effect.

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#14 2019-08-16 19:14:58

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

johnywhy wrote:

Both switches worked!
But only when I manually edited the live grub.

If I put into /etc/default/grub as instructed, has no effect.

Did you run "sudo update-grub"?

If so, can you post the contents of your /etc/default/grub file?

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#15 2019-08-16 19:55:11

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

Correction, permanence works.

To get control over brightness, via Power Mgr brightness-slider and keyboard brightness buttons (only on the OS which controls grub), i can do:

/etc/default/grub:
GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=none"

I mistakenly ran grub update from the wrong OS.

SOLVED! Power slider and keyboard buttons work.
But xbacklight still not working. Still gives "No outputs have backlight property".

ArchLabs somehow gets xbacklight working upon install.

Last edited by johnywhy (2019-08-21 04:41:46)

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#16 2019-08-16 21:12:56

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

johnywhy wrote:

But xbacklight still not working. Still gives "No outputs have backlight property".

Which parameter did you use?

cat /proc/cmdline

How many backlight interfaces do you have?

ls /sys/class/backlight

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#17 2019-08-17 16:53:36

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

% cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-linux root=UUID=890714bf-22b0-4fc1-af90-96e8e5872f47 rw loglevel=3 quiet acpi_backlight=none

Won't "none" work with more/any vendor-interfaces?

% ls /sys/class/backlight
intel_backlight

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#18 2019-08-17 17:01:59

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

Hmm. xbacklight should work if there is only one backlight interface. Perhaps this is a bug with xbacklight?

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#19 2019-08-19 19:56:02

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

how to apply acpi_backlight=none to a different OS launched by the same grub?

thx

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#20 2019-08-19 20:00:34

alcornoqui
Member
Registered: 2014-07-28
Posts: 832

Re: [Solved] Power Manager Can't Adjust Brightness

johnywhy wrote:

how to apply acpi_backlight=none to a different OS launched by the same grub?

Same. Follow the instructions detailed in posts #10 and #12 by ToZ.

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#21 2019-08-19 20:19:29

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

posts #10 and #12 are temporary.

How can i make it permanent for other OS? The values in  /etc/default/grub only affect the "main" OS (from which grub was installed and updated).

thx

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#22 2019-08-19 22:31:15

ToZ
Administrator
From: Canada
Registered: 2011-06-02
Posts: 11,499

Re: [Solved] Power Manager Can't Adjust Brightness

You need to add it to each of the different OS kernel boot lines in /etc/default/grub then run grub-update. This needs to be done from the main OS - the one that manages grub.

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#23 2019-08-20 00:07:01

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

i'm not seeing OS's listed in /etc/default/grub:

# cat /etc/default/grub                                                                 17:03:54
# GRUB boot loader configuration

GRUB_DEFAULT="0"
GRUB_TIMEOUT="3"
GRUB_DISTRIBUTOR="ArchLabs"
GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=none"
GRUB_CMDLINE_LINUX=""

# Preload both GPT and MBR modules so that they are not missed
GRUB_PRELOAD_MODULES="part_gpt part_msdos"

# Uncomment to enable booting from LUKS encrypted devices
#GRUB_ENABLE_CRYPTODISK="y"

# Set to 'countdown' or 'hidden' to change timeout behavior,
# press ESC key to display menu.
GRUB_TIMEOUT_STYLE="menu"

# Uncomment to use basic console
GRUB_TERMINAL_INPUT="console"

# Uncomment to disable graphical terminal
#GRUB_TERMINAL_OUTPUT="console"

# The resolution used on graphical terminal
# note that you can use only modes which your graphic card supports via VBE
# you can see them in real GRUB with the command `vbeinfo'
GRUB_GFXMODE="auto"

# Uncomment to allow the kernel use the same resolution used by grub
GRUB_GFXPAYLOAD_LINUX="keep"

# Uncomment if you want GRUB to pass to the Linux kernel the old parameter
# format "root=/dev/xxx" instead of "root=/dev/disk/by-uuid/xxx"
#GRUB_DISABLE_LINUX_UUID="true"

# Uncomment to disable generation of recovery mode menu entries
GRUB_DISABLE_RECOVERY="true"

# Uncomment and set to the desired menu colors.  Used by normal and wallpaper
# modes only.  Entries specified as foreground/background.
#GRUB_COLOR_NORMAL="light-blue/black"
#GRUB_COLOR_HIGHLIGHT="light-cyan/blue"

# Uncomment one of them for the gfx desired, a image background or a gfxtheme
#GRUB_BACKGROUND="/path/to/wallpaper"
#GRUB_THEME="/path/to/gfxtheme"

# Uncomment to get a beep at GRUB start
#GRUB_INIT_TUNE="480 440 1"

# Uncomment to make GRUB remember the last selection. This requires to
# set 'GRUB_DEFAULT=saved' above.
#GRUB_SAVEDEFAULT="true"

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#24 2019-08-20 08:36:11

alcornoqui
Member
Registered: 2014-07-28
Posts: 832

Re: [Solved] Power Manager Can't Adjust Brightness

Not sure about this (and out of the scope of this forum, I think), but see, from this document:

Custom Menu Entries

GRUB 2 allows users to create customized menu selections which will be automatically added to the main menu when sudo update-grub is executed. A 40_custom file is available in /etc/grub.d/ for use or to serve as an example to create other custom menus. Information on building and using custom menus in GRUB 2 is located in the Grub2/CustomMenus community document.

The corresponding Arch doc would be https://wiki.archlinux.org/index.php/GRUB

good luck

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#25 2019-08-21 03:57:08

johnywhy
Member
Registered: 2011-10-09
Posts: 288

Re: [Solved] Power Manager Can't Adjust Brightness

Thx, @alcornoqui.

Problem with 40_custom is, it adds additional entries, without removing existing entries (the ones without "acpi_backlight=none"). So then you have two entries for the same OS, one with "acpi_backlight=none", and one without it.

Possible fix: The entire automatically-generated menu can be disabled. But then all entries have to be created manually.

That might not be too bad, if there was an easy way to copy the current auto-menu, and use that as a starting place for the custom menu. But that's a bit of work.

I took the easy way, and used Grub Customizer. That allowed me to add the kernel pararms to the existing menu entries, instead of adding extra menu entries. https://www.archlinux.org/packages/comm … ustomizer/

i'm wondering if "acpi_backlight=none" is always the preferred setting, on all hardware.

Last edited by johnywhy (2019-08-21 19:35:17)

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