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Turning off laptop screen

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yerunski
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Turning off laptop screen

#1

Post by yerunski » 18 Nov 2015 18:14

Hello everyone, I'm new to this forum and relatively new to the product NAS4Free. I have however, managed to set up my old HP laptop as a NAS server. It's all working fine sofar. The only thing is that the screen is always on. I did set the screensaver to blank after x minutes, so it does blank the screen but it is still lit all the time. Is there a way to turn it off completely to save power?

I've loaded the acpi_video module with the command 'kldload acpi_video' and then tried to turn off the screen with: sysctl hw.acpi.video.lcd0.active=0
but no luck. Does anyone have suggestions? The laptop is an HP 6730b. Thanks in advance.

michael_sm
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Re: Turning off laptop screen

#2

Post by michael_sm » 27 Nov 2015 02:48

I'm exactly in the same situation (using an Asus R2H). The only little step forward that I have manage to give ahead of you is to set acpi_video_load = YES in loader.conf (so you skip the command execution). Also, when I try

Code: Select all

sudo sysctl hw.acpi.video.lcd0.active=0
I get:

hw.acpi.video.lcd0.active: 1 -> 1

In loader.conf you can also try acpi_hp_load="YES". Then check the information log and see if it was loaded (in my case, using acpi_asus_load I got to know that the R2H is too old and therefore unsupported). Also, use:

Code: Select all

sysctl hw.acpi
To check the parameters that you can adjust.

Let's see if somebody else can help us.

pokeyboy
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Re: Turning off laptop screen

#3

Post by pokeyboy » 28 Nov 2015 03:59

My solution isn’t eloquent, but it works perfect. When I power up my N4F laptop, I wait until I see it start to boot, then use the function keys to turn off the display. Walk away and forget about it. Additionally, I have it programmed for scheduled shutdown everyday at about my bedtime.

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Re: Turning off laptop screen

#4

Post by michael_sm » 28 Nov 2015 13:09

Thanks for the tip Pokeyboy. Unfortunately this can't be done with the R2H, there is no power off switch only for the display.

yerunski
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Re: Turning off laptop screen

#5

Post by yerunski » 29 Nov 2015 00:04

Hi michael_sm, thanks for your advice. I already set acpi_video_load to YES in the loader.conf.
I have the following parameters available, but changing either of them doesn't make any difference.

hw.acpi.video.lcd0.economy: 50
hw.acpi.video.lcd0.fullpower: 100
hw.acpi.video.lcd0.brightness: 100
hw.acpi.video.lcd0.active: 0

The backlight is still active although the screen is blank.

Pokeyboy, thanks also but there is no way to do that with the laptop I have.

michael_sm
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Re: Turning off laptop screen

#6

Post by michael_sm » 29 Nov 2015 00:37

hw.acpi.video.lcd0.active: 0 means that it's not using lcd0. Can you check your log and see which display has an active value of 1?

yerunski
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Re: Turning off laptop screen

#7

Post by yerunski » 29 Nov 2015 17:15

None have a value of 1. The above values are all the hw.acpi.video entries there exist in the log.

michael_sm
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Re: Turning off laptop screen

#8

Post by michael_sm » 29 Nov 2015 18:42

Please explore thoroughly your "information->log," because there must be an active video parameter set to 1, otherwise there wouldn't be any display.

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Re: Turning off laptop screen

#9

Post by yerunski » 29 Nov 2015 20:12

i did and can't find anything. Here is the entire output of the command: sysctl hw.acpi.

nas4free: ~# sysctl hw.acpi
hw.acpi.thermal.tz4._TSP: -1
hw.acpi.thermal.tz4._TC2: -1
hw.acpi.thermal.tz4._TC1: -1
hw.acpi.thermal.tz4._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
hw.acpi.thermal.tz4._CRT: 110.0C
hw.acpi.thermal.tz4._HOT: -1
hw.acpi.thermal.tz4._PSV: -1
hw.acpi.thermal.tz4.thermal_flags: 0
hw.acpi.thermal.tz4.passive_cooling: 0
hw.acpi.thermal.tz4.active: -1
hw.acpi.thermal.tz4.temperature: 34.0C
hw.acpi.thermal.tz3._TSP: 300
hw.acpi.thermal.tz3._TC2: 2
hw.acpi.thermal.tz3._TC1: 1
hw.acpi.thermal.tz3._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
hw.acpi.thermal.tz3._CRT: 110.0C
hw.acpi.thermal.tz3._HOT: -1
hw.acpi.thermal.tz3._PSV: 60.0C
hw.acpi.thermal.tz3.thermal_flags: 0
hw.acpi.thermal.tz3.passive_cooling: 0
hw.acpi.thermal.tz3.active: -1
hw.acpi.thermal.tz3.temperature: 27.1C
hw.acpi.thermal.tz2._TSP: 300
hw.acpi.thermal.tz2._TC2: 2
hw.acpi.thermal.tz2._TC1: 1
hw.acpi.thermal.tz2._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
hw.acpi.thermal.tz2._CRT: 105.0C
hw.acpi.thermal.tz2._HOT: -1
hw.acpi.thermal.tz2._PSV: 95.0C
hw.acpi.thermal.tz2.thermal_flags: 0
hw.acpi.thermal.tz2.passive_cooling: 0
hw.acpi.thermal.tz2.active: -1
hw.acpi.thermal.tz2.temperature: 44.0C
hw.acpi.thermal.tz1._TSP: 300
hw.acpi.thermal.tz1._TC2: 2
hw.acpi.thermal.tz1._TC1: 1
hw.acpi.thermal.tz1._ACx: 90.0C 75.0C 60.0C 45.0C 30.0C -1 -1 -1 -1 -1
hw.acpi.thermal.tz1._CRT: 110.0C
hw.acpi.thermal.tz1._HOT: -1
hw.acpi.thermal.tz1._PSV: 107.0C
hw.acpi.thermal.tz1.thermal_flags: 0
hw.acpi.thermal.tz1.passive_cooling: 1
hw.acpi.thermal.tz1.active: 3
hw.acpi.thermal.tz1.temperature: 46.0C
hw.acpi.thermal.tz0._TSP: -1
hw.acpi.thermal.tz0._TC2: -1
hw.acpi.thermal.tz0._TC1: -1
hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
hw.acpi.thermal.tz0._CRT: -1
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._PSV: -1
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0.passive_cooling: 0
hw.acpi.thermal.tz0.active: -1
hw.acpi.thermal.tz0.temperature: 54.0C
hw.acpi.thermal.user_override: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.min_runtime: 0
hw.acpi.acline: 1
hw.acpi.battery.info_expire: 5
hw.acpi.battery.units: 2
hw.acpi.battery.state: 0
hw.acpi.battery.time: -1
hw.acpi.battery.life: 100
hw.acpi.video.lcd0.levels: 100 50 0 5 10 15 20 25 30 33 36 40 43 46 50 55 60 65 70 75 80 83 86 90 93 96 100
hw.acpi.video.lcd0.economy: 50
hw.acpi.video.lcd0.fullpower: 100
hw.acpi.video.lcd0.brightness: 100
hw.acpi.video.lcd0.active: 0
hw.acpi.cpu.cx_lowest: C1
hw.acpi.reset_video: 0
hw.acpi.handle_reboot: 1
hw.acpi.disable_on_reboot: 0
hw.acpi.verbose: 0
hw.acpi.s4bios: 0
hw.acpi.sleep_delay: 1
hw.acpi.suspend_state: S3
hw.acpi.standby_state: NONE
hw.acpi.lid_switch_state: NONE
hw.acpi.sleep_button_state: S3
hw.acpi.power_button_state: S5
hw.acpi.supported_sleep_state: S3 S4 S5

michael_sm
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Re: Turning off laptop screen

#10

Post by michael_sm » 29 Nov 2015 22:53

Good, now paste the log that you'll find at "Information -> Log." This is the log that registers all what is loaded. There should be visible which display is your system using.

yerunski
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Re: Turning off laptop screen

#11

Post by yerunski » 02 Dec 2015 19:08

Sorry for the late response but here it is:

Date & Time User Event
Nov 30 11:29:51 nas4free syslogd: kernel boot file is /boot/kernel/kernel
Nov 30 11:29:51 nas4free kernel: Waiting (max 60 seconds) for system process `vnlru' to stop...done
Nov 30 11:29:51 nas4free kernel: Waiting (max 60 seconds) for system process `bufdaemon' to stop...done
Nov 30 11:29:51 nas4free kernel: Waiting (max 60 seconds) for system process `syncer' to stop...
Nov 30 11:29:51 nas4free kernel: Syncing disks, vnodes remaining...3 2 2 0 0 0 done
Nov 30 11:29:51 nas4free kernel: All buffers synced.
Nov 30 11:29:51 nas4free kernel: Uptime: 1d11h13m22s
Nov 30 11:29:51 nas4free kernel: Copyright (c) 1992-2015 The FreeBSD Project.
Nov 30 11:29:51 nas4free kernel: Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
Nov 30 11:29:51 nas4free kernel: The Regents of the University of California. All rights reserved.
Nov 30 11:29:51 nas4free kernel: FreeBSD is a registered trademark of The FreeBSD Foundation.
Nov 30 11:29:51 nas4free kernel: FreeBSD 10.2-RELEASE-p7 #0 r291393M: Fri Nov 27 19:03:06 CET 2015
Nov 30 11:29:51 nas4free kernel: root@dev.nas4free.org:/usr/obj/nas4free/usr/src/sys/NAS4FREE-amd64 amd64
Nov 30 11:29:51 nas4free kernel: FreeBSD clang version 3.4.1 (tags/RELEASE_34/dot1-final 208032) 20140512
Nov 30 11:29:51 nas4free kernel: CPU: Intel(R) Core(TM)2 Duo CPU P8400 @ 2.26GHz (2261.05-MHz K8-class CPU)
Nov 30 11:29:51 nas4free kernel: Origin="GenuineIntel" Id=0x10676 Family=0x6 Model=0x17 Stepping=6
Nov 30 11:29:51 nas4free kernel: Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Nov 30 11:29:51 nas4free kernel: Features2=0x8e3fd<SSE3,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,SSE4.1>
Nov 30 11:29:51 nas4free kernel: AMD Features=0x20000800<SYSCALL,LM>
Nov 30 11:29:51 nas4free kernel: AMD Features2=0x1<LAHF>
Nov 30 11:29:51 nas4free kernel: VT-x: (disabled in BIOS) HLT,PAUSE
Nov 30 11:29:51 nas4free kernel: TSC: P-state invariant, performance statistics
Nov 30 11:29:51 nas4free kernel: real memory = 4294967296 (4096 MB)
Nov 30 11:29:51 nas4free kernel: avail memory = 3968430080 (3784 MB)
Nov 30 11:29:51 nas4free kernel: Event timer "LAPIC" quality 400
Nov 30 11:29:51 nas4free kernel: ACPI APIC Table: <HPQOEM 30DD >
Nov 30 11:29:51 nas4free kernel: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
Nov 30 11:29:51 nas4free kernel: FreeBSD/SMP: 1 package(s) x 2 core(s)
Nov 30 11:29:51 nas4free kernel: cpu0 (BSP): APIC ID: 0
Nov 30 11:29:51 nas4free kernel: cpu1 (AP): APIC ID: 1
Nov 30 11:29:51 nas4free kernel: WARNING: VIMAGE (virtualized network stack) is a highly experimental feature.
Nov 30 11:29:51 nas4free kernel: ioapic0: Changing APIC ID to 1
Nov 30 11:29:51 nas4free kernel: ioapic0 <Version 2.0> irqs 0-23 on motherboard
Nov 30 11:29:51 nas4free kernel: kbd1 at kbdmux0
Nov 30 11:29:51 nas4free kernel: random: <Software, Yarrow> initialized
Nov 30 11:29:51 nas4free kernel: cryptosoft0: <software crypto> on motherboard
Nov 30 11:29:51 nas4free kernel: acpi0: <HPQOEM SLIC-MPC> on motherboard
Nov 30 11:29:51 nas4free kernel: acpi0: Power Button (fixed)
Nov 30 11:29:51 nas4free kernel: Timecounter "HPET" frequency 14318180 Hz quality 950
Nov 30 11:29:51 nas4free kernel: Event timer "HPET" frequency 14318180 Hz quality 450
Nov 30 11:29:51 nas4free kernel: Event timer "HPET1" frequency 14318180 Hz quality 440
Nov 30 11:29:51 nas4free kernel: Event timer "HPET2" frequency 14318180 Hz quality 440
Nov 30 11:29:51 nas4free kernel: Event timer "HPET3" frequency 14318180 Hz quality 440
Nov 30 11:29:51 nas4free kernel: cpu0: <ACPI CPU> on acpi0
Nov 30 11:29:51 nas4free kernel: cpu1: <ACPI CPU> on acpi0
Nov 30 11:29:51 nas4free kernel: atrtc0: <AT realtime clock> port 0x70-0x77 irq 8 on acpi0
Nov 30 11:29:51 nas4free kernel: atrtc0: Warning: Couldn't map I/O.
Nov 30 11:29:51 nas4free kernel: Event timer "RTC" frequency 32768 Hz quality 0
Nov 30 11:29:51 nas4free kernel: attimer0: <AT timer> port 0x40-0x43,0x50-0x53 irq 0 on acpi0
Nov 30 11:29:51 nas4free kernel: Timecounter "i8254" frequency 1193182 Hz quality 0
Nov 30 11:29:51 nas4free kernel: Event timer "i8254" frequency 1193182 Hz quality 100
Nov 30 11:29:51 nas4free kernel: Timecounter "ACPI-fast" frequency 3579545 Hz quality 900
Nov 30 11:29:51 nas4free kernel: acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_ec0: <Embedded Controller: GPE 0x16> port 0x62,0x66 on acpi0
Nov 30 11:29:51 nas4free kernel: pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
Nov 30 11:29:51 nas4free kernel: pcib0: could not evaluate _ADR - AE_NOT_FOUND
Nov 30 11:29:51 nas4free kernel: pcib0: Length mismatch for 3 range: 20000000 vs 20000001
Nov 30 11:29:51 nas4free kernel: pcib0: Length mismatch for 3 range: 11ff000 vs 11fefff
Nov 30 11:29:51 nas4free kernel: pci0: <ACPI PCI bus> on pcib0
Nov 30 11:29:51 nas4free kernel: vgapci0: <VGA-compatible display> port 0x6120-0x6127 mem 0xd0000000-0xd03fffff,0xc0000000-0xcfffffff irq 16 at device 2.0 on pci0
Nov 30 11:29:51 nas4free kernel: agp0: <Intel GM45 SVGA controller> on vgapci0
Nov 30 11:29:51 nas4free kernel: agp0: aperture size is 256M, detected 65532k stolen memory
Nov 30 11:29:51 nas4free kernel: acpi_video0: <ACPI video extension> on vgapci0
Nov 30 11:29:51 nas4free kernel: vgapci0: Boot video device
Nov 30 11:29:51 nas4free kernel: vgapci1: <VGA-compatible display> mem 0xd0400000-0xd04fffff at device 2.1 on pci0
Nov 30 11:29:51 nas4free kernel: uhci0: <Intel 82801I (ICH9) USB controller> port 0x60a0-0x60bf irq 16 at device 26.0 on pci0
Nov 30 11:29:51 nas4free kernel: uhci0: LegSup = 0x3f00
Nov 30 11:29:51 nas4free kernel: usbus0 on uhci0
Nov 30 11:29:51 nas4free kernel: uhci1: <Intel 82801I (ICH9) USB controller> port 0x6080-0x609f irq 17 at device 26.1 on pci0
Nov 30 11:29:51 nas4free kernel: uhci1: LegSup = 0x3f00
Nov 30 11:29:51 nas4free kernel: usbus1 on uhci1
Nov 30 11:29:51 nas4free kernel: uhci2: <Intel 82801I (ICH9) USB controller> port 0x6060-0x607f irq 18 at device 26.2 on pci0
Nov 30 11:29:51 nas4free kernel: uhci2: LegSup = 0x3f00
Nov 30 11:29:51 nas4free kernel: usbus2 on uhci2
Nov 30 11:29:51 nas4free kernel: ehci0: <Intel 82801I (ICH9) USB 2.0 controller> mem 0xd8801000-0xd88013ff irq 19 at device 26.7 on pci0
Nov 30 11:29:51 nas4free kernel: usbus3: EHCI version 1.0
Nov 30 11:29:51 nas4free kernel: usbus3 on ehci0
Nov 30 11:29:51 nas4free kernel: pcib1: <ACPI PCI-PCI bridge> irq 16 at device 28.0 on pci0
Nov 30 11:29:51 nas4free kernel: pci1: <ACPI PCI bus> on pcib1
Nov 30 11:29:51 nas4free kernel: pcib2: <ACPI PCI-PCI bridge> irq 18 at device 28.2 on pci0
Nov 30 11:29:51 nas4free kernel: pci2: <ACPI PCI bus> on pcib2
Nov 30 11:29:51 nas4free kernel: pcib3: <ACPI PCI-PCI bridge> irq 16 at device 28.4 on pci0
Nov 30 11:29:51 nas4free kernel: pci67: <ACPI PCI bus> on pcib3
Nov 30 11:29:51 nas4free kernel: pcib4: <ACPI PCI-PCI bridge> irq 17 at device 28.5 on pci0
Nov 30 11:29:51 nas4free kernel: pci132: <ACPI PCI bus> on pcib4
Nov 30 11:29:51 nas4free kernel: bge0: <Broadcom NetXtreme Gigabit Ethernet Controller , ASIC rev. 0x00b002> mem 0xd0600000-0xd060ffff irq 17 at device 0.0 on pci132
Nov 30 11:29:51 nas4free kernel: bge0: CHIP ID 0x0000b002; ASIC REV 0x0b; CHIP REV 0xb0; PCI-E
Nov 30 11:29:51 nas4free kernel: miibus0: <MII bus> on bge0
Nov 30 11:29:51 nas4free kernel: brgphy0: <BCM5754/5787 1000BASE-T media interface> PHY 1 on miibus0
Nov 30 11:29:51 nas4free kernel: brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT, 1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto, auto-flow
Nov 30 11:29:51 nas4free kernel: bge0: Using defaults for TSO: 65518/35/2048
Nov 30 11:29:51 nas4free kernel: bge0: Ethernet address: 00:22:64:56:d0:ae
Nov 30 11:29:51 nas4free kernel: uhci3: <Intel 82801I (ICH9) USB controller> port 0x6040-0x605f irq 20 at device 29.0 on pci0
Nov 30 11:29:51 nas4free kernel: uhci3: LegSup = 0x3f00
Nov 30 11:29:51 nas4free kernel: usbus4 on uhci3
Nov 30 11:29:51 nas4free kernel: uhci4: <Intel 82801I (ICH9) USB controller> port 0x6020-0x603f irq 22 at device 29.1 on pci0
Nov 30 11:29:51 nas4free kernel: uhci4: LegSup = 0x3f00
Nov 30 11:29:51 nas4free kernel: usbus5 on uhci4
Nov 30 11:29:51 nas4free kernel: uhci5: <Intel 82801I (ICH9) USB controller> port 0x6000-0x601f irq 18 at device 29.2 on pci0
Nov 30 11:29:51 nas4free kernel: uhci5: LegSup = 0x3f00
Nov 30 11:29:51 nas4free kernel: usbus6 on uhci5
Nov 30 11:29:51 nas4free kernel: ehci1: <Intel 82801I (ICH9) USB 2.0 controller> mem 0xd8800000-0xd88003ff irq 20 at device 29.7 on pci0
Nov 30 11:29:51 nas4free kernel: usbus7: EHCI version 1.0
Nov 30 11:29:51 nas4free kernel: usbus7 on ehci1
Nov 30 11:29:51 nas4free kernel: pcib5: <ACPI PCI-PCI bridge> at device 30.0 on pci0
Nov 30 11:29:51 nas4free kernel: pcib5: failed to allocate initial memory window: 0xd0500000-0xd05fffff
Nov 30 11:29:51 nas4free kernel: pci133: <ACPI PCI bus> on pcib5
Nov 30 11:29:51 nas4free kernel: pci133: <serial bus, FireWire> at device 2.0 (no driver attached)
Nov 30 11:29:51 nas4free kernel: isab0: <PCI-ISA bridge> at device 31.0 on pci0
Nov 30 11:29:51 nas4free kernel: isa0: <ISA bus> on isab0
Nov 30 11:29:51 nas4free kernel: atapci0: <Intel ICH9M SATA300 controller> port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x60f0-0x60ff,0x60e0-0x60ef irq 21 at device 31.2 on pci0
Nov 30 11:29:51 nas4free kernel: ata0: <ATA channel> at channel 0 on atapci0
Nov 30 11:29:51 nas4free kernel: ata1: <ATA channel> at channel 1 on atapci0
Nov 30 11:29:51 nas4free kernel: atapci1: <Intel ICH9M SATA300 controller> port 0x6108-0x610f,0x612c-0x612f,0x6100-0x6107,0x6128-0x612b,0x60d0-0x60df,0x60c0-0x60cf irq 18 at device 31.5 on pci0
Nov 30 11:29:51 nas4free kernel: ata2: <ATA channel> at channel 0 on atapci1
Nov 30 11:29:51 nas4free kernel: ata3: <ATA channel> at channel 1 on atapci1
Nov 30 11:29:51 nas4free kernel: battery0: <ACPI Control Method Battery> on acpi0
Nov 30 11:29:51 nas4free kernel: battery1: <ACPI Control Method Battery> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_acad0: <AC Adapter> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_button0: <Sleep Button> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_lid0: <Control Method Lid Switch> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_tz0: <Thermal Zone> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_tz0: _CRT value is absurd, ignored (256.0C)
Nov 30 11:29:51 nas4free kernel: acpi_tz1: <Thermal Zone> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_tz2: <Thermal Zone> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_tz3: <Thermal Zone> on acpi0
Nov 30 11:29:51 nas4free kernel: acpi_tz4: <Thermal Zone> on acpi0
Nov 30 11:29:51 nas4free kernel: atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
Nov 30 11:29:51 nas4free kernel: atkbd0: <AT Keyboard> irq 1 on atkbdc0
Nov 30 11:29:51 nas4free kernel: kbd0 at atkbd0
Nov 30 11:29:51 nas4free kernel: atkbd0: [GIANT-LOCKED]
Nov 30 11:29:51 nas4free kernel: psm0: <PS/2 Mouse> irq 12 on atkbdc0
Nov 30 11:29:51 nas4free kernel: psm0: [GIANT-LOCKED]
Nov 30 11:29:51 nas4free kernel: psm0: model Generic PS/2 mouse, device ID 0
Nov 30 11:29:51 nas4free kernel: sc0: <System console> at flags 0x100 on isa0
Nov 30 11:29:51 nas4free kernel: sc0: VGA <16 virtual consoles, flags=0x300>
Nov 30 11:29:51 nas4free kernel: vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Nov 30 11:29:51 nas4free kernel: ppc0: cannot reserve I/O port range
Nov 30 11:29:51 nas4free kernel: coretemp0: <CPU On-Die Thermal Sensors> on cpu0
Nov 30 11:29:51 nas4free kernel: est0: <Enhanced SpeedStep Frequency Control> on cpu0
Nov 30 11:29:51 nas4free kernel: p4tcc0: <CPU Frequency Thermal Control> on cpu0
Nov 30 11:29:51 nas4free kernel: coretemp1: <CPU On-Die Thermal Sensors> on cpu1
Nov 30 11:29:51 nas4free kernel: est1: <Enhanced SpeedStep Frequency Control> on cpu1
Nov 30 11:29:51 nas4free kernel: p4tcc1: <CPU Frequency Thermal Control> on cpu1
Nov 30 11:29:51 nas4free kernel: ZFS NOTICE: Prefetch is disabled by default if less than 4GB of RAM is present;
Nov 30 11:29:51 nas4free kernel: to enable, add "vfs.zfs.prefetch_disable=0" to /boot/loader.conf.
Nov 30 11:29:51 nas4free kernel: ZFS filesystem version: 5
Nov 30 11:29:51 nas4free kernel: ZFS storage pool version: features support (5000)
Nov 30 11:29:51 nas4free kernel: Timecounters tick every 1.000 msec
Nov 30 11:29:51 nas4free kernel: iSCSI boot driver version 0.2.13
Nov 30 11:29:51 nas4free kernel: xmd version 0.5 by NAS4Free Project
Nov 30 11:29:51 nas4free kernel: xmd: default blocklen 32KB, compression LZ4/LZ4HC, level 6
Nov 30 11:29:51 nas4free kernel: random: unblocking device.
Nov 30 11:29:51 nas4free kernel: usbus0: 12Mbps Full Speed USB v1.0
Nov 30 11:29:51 nas4free kernel: usbus1: 12Mbps Full Speed USB v1.0
Nov 30 11:29:51 nas4free kernel: usbus2: 12Mbps Full Speed USB v1.0
Nov 30 11:29:51 nas4free kernel: usbus3: 480Mbps High Speed USB v2.0
Nov 30 11:29:51 nas4free kernel: usbus4: 12Mbps Full Speed USB v1.0
Nov 30 11:29:51 nas4free kernel: usbus5: 12Mbps Full Speed USB v1.0
Nov 30 11:29:51 nas4free kernel: usbus6: 12Mbps Full Speed USB v1.0
Nov 30 11:29:51 nas4free kernel: usbus7: 480Mbps High Speed USB v2.0
Nov 30 11:29:51 nas4free kernel: ugen1.1: <Intel> at usbus1
Nov 30 11:29:51 nas4free kernel: uhub0: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus1
Nov 30 11:29:51 nas4free kernel: ugen0.1: <Intel> at usbus0
Nov 30 11:29:51 nas4free kernel: uhub1: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus0
Nov 30 11:29:51 nas4free kernel: ugen4.1: <Intel> at usbus4
Nov 30 11:29:51 nas4free kernel: uhub2: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus4
Nov 30 11:29:51 nas4free kernel: ugen3.1: <Intel> at usbus3
Nov 30 11:29:51 nas4free kernel: uhub3: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus3
Nov 30 11:29:51 nas4free kernel: ugen2.1: <Intel> at usbus2
Nov 30 11:29:51 nas4free kernel: uhub4: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus2
Nov 30 11:29:51 nas4free kernel: ugen7.1: <Intel> at usbus7
Nov 30 11:29:51 nas4free kernel: uhub5: <Intel EHCI root HUB, class 9/0, rev 2.00/1.00, addr 1> on usbus7
Nov 30 11:29:51 nas4free kernel: ugen6.1: <Intel> at usbus6
Nov 30 11:29:51 nas4free kernel: ugen5.1: <Intel> at usbus5
Nov 30 11:29:51 nas4free kernel: uhub6: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus5
Nov 30 11:29:51 nas4free kernel: uhub7: <Intel UHCI root HUB, class 9/0, rev 1.00/1.00, addr 1> on usbus6
Nov 30 11:29:51 nas4free kernel: uhub1: 2 ports with 2 removable, self powered
Nov 30 11:29:51 nas4free kernel: uhub0: 2 ports with 2 removable, self powered
Nov 30 11:29:51 nas4free kernel: uhub2: 2 ports with 2 removable, self powered
Nov 30 11:29:51 nas4free kernel: uhub4: 2 ports with 2 removable, self powered
Nov 30 11:29:51 nas4free kernel: uhub6: 2 ports with 2 removable, self powered
Nov 30 11:29:51 nas4free kernel: uhub7: 2 ports with 2 removable, self powered
Nov 30 11:29:51 nas4free kernel: xmd0: Loaded preload cloop image </mfsroot.uzip> 21696000 bytes at 0xffffffff82123c60 (128MB disk w/LZ4)
Nov 30 11:29:51 nas4free kernel: acpi_tz0: _CRT value is absurd, ignored (256.0C)
Nov 30 11:29:51 nas4free kernel: uhub3: 6 ports with 6 removable, self powered
Nov 30 11:29:51 nas4free kernel: uhub5: 6 ports with 6 removable, self powered
Nov 30 11:29:51 nas4free kernel: ugen7.2: <HP> at usbus7
Nov 30 11:29:51 nas4free kernel: umass0: <HP HP Flash Media Reader, class 0/0, rev 2.00/5.58, addr 2> on usbus7
Nov 30 11:29:51 nas4free kernel: umass0: SCSI over Bulk-Only; quirks = 0xc100
Nov 30 11:29:51 nas4free kernel: umass0:4:0:-1: Attached to scbus4
Nov 30 11:29:51 nas4free kernel: ada0 at ata0 bus 0 scbus0 target 0 lun 0
Nov 30 11:29:51 nas4free kernel: ada0: <Hitachi HTS543225L9A300 FBEOC44C> ATA8-ACS SATA 2.x device
Nov 30 11:29:51 nas4free kernel: ada0: Serial Number 080923FB0E00LKH6B6XB
Nov 30 11:29:51 nas4free kernel: ada0: 300.000MB/s transfers (SATA 2.x, UDMA5, PIO 8192bytes)
Nov 30 11:29:51 nas4free kernel: ada0: 238475MB (488397168 512 byte sectors: 16H 63S/T 16383C)
Nov 30 11:29:51 nas4free kernel: da0 at umass-sim0 bus 0 scbus4 target 0 lun 0
Nov 30 11:29:51 nas4free kernel: da0: <HP USB20 HS-COMBO 5.58> Removable Direct Access SCSI device
Nov 30 11:29:51 nas4free kernel: da0: Serial Number 070706100002
Nov 30 11:29:51 nas4free kernel: da0: 40.000MB/s transfers
Nov 30 11:29:51 nas4free kernel: da0: 7580MB (15523840 512 byte sectors: 255H 63S/T 966C)
Nov 30 11:29:51 nas4free kernel: da0: quirks=0x2<NO_6_BYTE>
Nov 30 11:29:51 nas4free kernel: cd0 at ata1 bus 0 scbus1 target 0 lun 0
Nov 30 11:29:51 nas4free kernel: cd0: <TSSTcorp CDDVDW TS-L633L 0400> Removable CD-ROM SCSI device
Nov 30 11:29:51 nas4free kernel: cd0: 150.000MB/s transfers (SATA 1.x, UDMA5, ATAPI 12bytes, PIO 8192bytes)
Nov 30 11:29:51 nas4free kernel: cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
Nov 30 11:29:51 nas4free kernel: SMP: AP CPU #1 Launched!

michael_sm
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Re: Turning off laptop screen

#12

Post by michael_sm » 02 Dec 2015 23:55

Apparently, your video is vga0, so try this:

Code: Select all

sudo sysctl hw.acpi.video.vga0.active=0

yerunski
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Re: Turning off laptop screen

#13

Post by yerunski » 03 Dec 2015 10:40

Nothing happens unfortunately.

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Re: Turning off laptop screen

#14

Post by michael_sm » 05 Dec 2015 03:41

Which was the result of the command?

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Re: Turning off laptop screen

#15

Post by yerunski » 05 Dec 2015 15:02

No output. And nothing changed with the screen. Backlight still on.

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Re: Turning off laptop screen

#16

Post by michael_sm » 06 Dec 2015 18:33

Hmmm. Sorry, I'm out of tricks now...

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Re: Turning off laptop screen

#17

Post by yerunski » 06 Dec 2015 18:40

Thanks anyway for your time.

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Re: Turning off laptop screen

#18

Post by dat_junk » 16 Mar 2017 10:48

When I power up my laptop, I wait until I see it start to boot, then use the function keys to turn off the display.

pokeyboy
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Re: Turning off laptop screen

#19

Post by pokeyboy » 05 Apr 2017 23:19

This is an old thread, but here's a tip in case anyone runs into this problem.

You can connect up an external monitor to the vga port on the laptop. The monitor does not need to be powered up. Select the external monitor with the appropriate laptop function key. This should turn off the laptop screen.

Alternately, if you don't want an external monitor hooked up, you can buy or build a dummy plug. Google "vga dummy plug". You should find lots of options.

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Re: Turning off laptop screen

#20

Post by raulfg3 » 19 Apr 2017 19:11

Enable console screensaver on System > Advanced Setup
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pokeyboy
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Re: Turning off laptop screen

#21

Post by pokeyboy » 23 Apr 2017 02:23

Hey raulfg3

Thanks for pointing out the screensaver option.

Unfortunately, this isn't quite a complete solution. I tried it on two different laptops. It does turn off the text or dialog but the backlight remains on. Using the screensaver AND turning the laptop brightness to minimum works pretty well.

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Re: Turning off laptop screen

#22

Post by mariad » 29 Jun 2017 13:23

Neil_Hines wrote:
19 Apr 2017 09:57
Hi, friends, I'm new here I'm also facing the same issue about my laptop turning off automatic I didn't find any solution. Did anyone guide me why my laptop screen turning off automatic?
Have you checked your screen settings in the personalize option?

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