• Error mesage [email protected]:acpi_video0.service loaded failed failed load/save screen backlight


    Hi I have just installed Antergos (mate) and im getting this failed message when i boot up. Have looked on line for possible solutions and tried a few but none seem to work . This is the terminal output

    accounts-daemon.service     loaded active running Accounts Service
      avahi-daemon.service        loaded active running Avahi mDNS/DNS-SD Stack
      dbus.service                loaded active running D-Bus System Message Bus
      [email protected]          loaded active running Getty on tty1
      haveged.service             loaded active running Entropy Harvesting Daemon
      kmod-static-nodes.service   loaded active exited  Create list of required stat
      lightdm.service             loaded active running Light Display Manager
      ModemManager.service        loaded active running Modem Manager
      NetworkManager.service      loaded active running Network Manager
      org.cups.cupsd.service      loaded active running CUPS Scheduler
      polkit.service              loaded active running Authorization Manager
      rtkit-daemon.service        loaded active running RealtimeKit Scheduling Polic
    ● [email protected]:acpi_video0.service loaded failed failed  Load/Save Screen Backlight B
      [email protected]:radeon_bl0.service loaded active exited  Load/Save Screen Backlight B
      systemd-journal-flush.service loaded active exited  Flush Journal to Persistent 
      systemd-journald.service    loaded active running Journal Service
      systemd-logind.service      loaded active running Login Service
      systemd-modules-load.service loaded active exited  Load Kernel Modules
      systemd-random-seed.service loaded active exited  Load/Save Random Seed
      systemd-remount-fs.service  loaded active exited  Remount Root and Kernel File
      systemd-sysctl.service      loaded active exited  Apply Kernel Variables
      systemd-tmpfiles-setup-dev.service loaded active exited  Create Static Device Nodes i
    

    Any solutions will be greatly appreciated

    Thank you!

  • do lspci, Output the full output here.
    then do cd /etc/modprobe.d then do ls. what files are inside that directory?

    Please can you use the correct code tags.
    The correct code tags are like this;

    Press the key below the ESC key (3 times, that is);
    Press the ENTER key to go to the next line;
    Enter your content;
    Select the ENTER KEY to go the next line;
    Press the key below the ESC key ( 3 times, that is)

    Download " antergos-wallpapers-extra " and enjoy community sponsored wallpapers.

    Use the "Linux Beginner Search Engine"

    https://cse.google.com/cse/home?cx=017607476515012185699:b_owgx6xyi0

  • Press the key below the ESC key (3 times, that is);
    Press the ENTER key to go to the next line;
    Enter your content;
    Select the ENTER KEY to go the next line;
    Press the key below the ESC key ( 3 times, that is)

    @Modisc , just a minor note, not everybody has the same keyboard layout… in my keyboard, the backtick is not under ESC, for instance.

    Cheers!

  • @karasu. Gotcha. Your right about that one. Thanks for the reminder. :+1:

    Download " antergos-wallpapers-extra " and enjoy community sponsored wallpapers.

    Use the "Linux Beginner Search Engine"

    https://cse.google.com/cse/home?cx=017607476515012185699:b_owgx6xyi0

  • Hi Thanks for the help. This my lspci output

    [[email protected] ~]$ lspci
    00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Root Complex
    00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kabini [Radeon HD 8330]
    00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Kabini HDMI/DP Audio
    00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
    00:02.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:02.5 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 01)
    00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode]
    00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
    00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
    00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
    00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
    00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 3a)
    00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 02)
    00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
    00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
    00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 1
    00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 2
    00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 3
    00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 4
    00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 5
    01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
    02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 07)
    03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)

    and this is my modprobe output…

    [[email protected] ~]$ cd /etc/modprobe.d
    [[email protected] modprobe.d]$ ls
    [[email protected] modprobe.d]$

    Doesnt look like anything in it though
    Not sure if im doing all this right, as migrating from ubuntu 10.04, so a steep learning curve.
    Thanks

  • <
    [[email protected] ~]$ lspci
    00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Root Complex
    00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kabini [Radeon HD 8330]
    00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Kabini HDMI/DP Audio
    00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
    00:02.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:02.5 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 01)
    00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode]
    00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
    00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
    00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
    00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
    00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 3a)
    00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 02)
    00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
    00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
    00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 1
    00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 2
    00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 3
    00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 4
    00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 5
    01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
    02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 07)
    03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)

    <<<
    [[email protected] ~]$ cd /etc/modprobe.d
    [[email protected] modprobe.d]$ ls
    [[email protected] modprobe.d]$

    Not sure if this is what you ment by “code tags”

  • hi. you will have to read the sticky in the forums for placing tags inside your content to make your posts / output a bit more readable. I will post more on what your output says afterwards in this same post. Just a touch busy at the moment.

    Download " antergos-wallpapers-extra " and enjoy community sponsored wallpapers.

    Use the "Linux Beginner Search Engine"

    https://cse.google.com/cse/home?cx=017607476515012185699:b_owgx6xyi0

  • [[email protected] ~]$ lspci
    00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Root Complex
    00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kabini [Radeon HD 8330]
    00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Kabini HDMI/DP Audio
    00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
    00:02.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:02.3 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:02.5 PCI bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Functions 5:1
    00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 01)
    00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode]
    00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
    00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
    00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 39)
    00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 39)
    00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 3a)
    00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 02)
    00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
    00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 0
    00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 1
    00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 2
    00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 3
    00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 4
    00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 16h Processor Function 5
    01:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
    02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 07)
    03:00.0 Network controller: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter (rev 01)
    
    [[email protected] ~]$ cd /etc/modprobe.d
    [[email protected] modprobe.d]$ ls
    [[email protected] modprobe.d]$ 
    

    Hi Thanks for showing me how to put terminal contents here properly!!

  • Hi @newbie

    So when you do systemctl --failed what comes up? Most obviously this error will come. Just curious.

    When you do systemctl status [email protected]:acpi_video0.service what comes up?
    You mentioned that you tried a few solution. I am just curious, which ones so we don’t go over the same ones in trying to resolve issue.

    Download " antergos-wallpapers-extra " and enjoy community sponsored wallpapers.

    Use the "Linux Beginner Search Engine"

    https://cse.google.com/cse/home?cx=017607476515012185699:b_owgx6xyi0

  • [[email protected] ~]$ systemctl --failed
      UNIT                         LOAD   ACTIVE SUB    DESCRIPTION
    ● [email protected]:acpi_video0.service loaded failed failed Load/Save
    
    LOAD   = Reflects whether the unit definition was properly loaded.
    ACTIVE = The high-level unit activation state, i.e. generalization of SUB.
    SUB    = The low-level unit activation state, values depend on unit type.
    
    1 loaded units listed. Pass --all to see loaded but inactive units, too.
    To show all installed unit files use 'systemctl list-unit-files'.
    lines 1-9/9 (END)
    
    [[email protected] ~]$ systemctl status [email protected]:acpi_video0.service
    ● [email protected]:acpi_video0.service - Load/Save Screen Backlight Brightness of backlight:acpi_video0
       Loaded: loaded (/usr/lib/systemd/system/[email protected]; static; vendor preset: disabled)
       Active: failed (Result: exit-code) since Sun 2015-11-01 17:13:53 GMT; 28min ago
         Docs: man:[email protected](8)
      Process: 334 ExecStart=/usr/lib/systemd/systemd-backlight load %i (code=exited, status=1/FAILURE)
     Main PID: 334 (code=exited, status=1/FAILURE)
    
    Nov 01 17:13:53 HP systemd[1]: [email protected]:acpi_video0.serv...RE
    Nov 01 17:13:53 HP systemd[1]: Failed to start Load/Save Screen Backlight B...0.
    Nov 01 17:13:53 HP systemd[1]: [email protected]:acpi_video0.serv...e.
    Nov 01 17:13:53 HP systemd[1]: [email protected]:acpi_video0.serv...'.
    Hint: Some lines were ellipsized, use -l to show in full.
    [[email protected] ~]$ 
    

    These are the commands i used in terminal but hasnt worked
    systemctl enable [email protected]_bl0.service
    systemctl mask [email protected]_video0.service
    systemctl mask [email protected] \ : acpi_video1.service

    There is this solution which involves editing Grub, not sure if i wont mess it up though!
    https://bbs.archlinux.org/viewtopic.php?id=187921

  • Hi @newbie
    Yes, I remember reading that article before.

    Though if your bios has provisions for Linux I think that you can change it to acpi_osi="Linux" or you can do what they did in that Arch forums thread by inserting Windows.

    Though in having said that, I have to say I am not 100 percent sure on inserting "!Windows 2012" It seems to me that the thing that they are doing there is they are making the kernel pretend it is Windows and make the bios execute routines on machines that require them. You can try.

    But the poster was using rEFInd rather than Grub. There is some reading that I have done. Perhaps you may be interested in it as well.
    backlight
    acpi module

    Download " antergos-wallpapers-extra " and enjoy community sponsored wallpapers.

    Use the "Linux Beginner Search Engine"

    https://cse.google.com/cse/home?cx=017607476515012185699:b_owgx6xyi0

  • Hi Modisc, Thank you for your suggestions and links. In the backlight link it says to put this in “by adding one of the following kernel parameters in your bootloader:”

    acpi_backlight=video
    acpi_backlight=vendor
    acpi_backlight=native
    acpi_backlight=none
    

    Im not exactly sure where in Grub you insert it?, Yes im definitely not sure about putting “windows 2012” either, but the acpi_osi=“Linux” command sounds like it could work . Again im not 100 percent sure where it should go ?? Here is my Grub list

    GRUB_DEFAULT=0
    GRUB_TIMEOUT=5
    GRUB_DISTRIBUTOR="Antergos"
    
    GRUB_CMDLINE_LINUX_DEFAULT="resume=UUID=ff84c978-e356-4202-958f-b613b0f6bd84 quiet "
    
    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 Hidden Menu, and optionally hide the timeout count
    #GRUB_HIDDEN_TIMEOUT=5
    #GRUB_HIDDEN_TIMEOUT_QUIET=true
    
    # 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="/boot/grub/themes/Antergos-Default/theme.txt"
    
    
    # Uncomment to get a beep at GRUB start
    #GRUB_INIT_TUNE="480 440 1"
    
    #GRUB_SAVEDEFAULT="true"
    

    Thank you again for all your suggestions!

  • Replace this
    GRUB_CMDLINE_LINUX_DEFAULT="resume=UUID=ff84c978-e356-4202-958f-b613b0f6bd84 quiet"

    with this
    GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_osi=''Linux"
    then do not forget:

    sudo grub-mkconfig -o /boot/grub/grub.cfg
    I hope it works.

    I am just asking but what is that particular UUID for? Swap?

    One thing that crossed my mind. When wanting to play with Grub, use VMWare or Virtual box and start up a Virtual Antergos within that program. Then see what happens. This way, the Grub on your persistent operating system remains intact while you can experiment with your Virtual Antergos and then use those experimental fixes to fix your persistent system.

    EDIT--temp method :
    You can also add the parameter this way first for testing to determine if it works or not.
    This is a temporary method explained here-on. I suggest to do this temp method first before the permanent method explained above.
    You do this by selecting ‘e’ for edit during your boot process.
    Go to the line that says Linux.
    Move to the very end of that line.
    Ensure that you'SPACE'.
    Then input that new parameter.
    Press ctrl + x

    Hope it all works out. Post your results here. If this fix is a no-go, we can still continue finding a resolution.

    Download " antergos-wallpapers-extra " and enjoy community sponsored wallpapers.

    Use the "Linux Beginner Search Engine"

    https://cse.google.com/cse/home?cx=017607476515012185699:b_owgx6xyi0

  • Hi,

    That resume line tells linux where to store system status when hibernating. Do not remove it, just add acpi_osi=Linux at the end (inside the quotes).

    Cheers!

  • Hi Thank you for all your suggestions! Appreciate them all!
    I tried them both (Karasu and Modisc ) but unfortunately they dont work . i also tried the " Windows 2012" suggestion and that didnt work either. i get the same results in terminal as before. I will keep looking on line. As my Fn hotkeys for brightness and the one f4 (for switching displays laptop display/external display ) dont work either (only the audio ones work) i think i will start to look for a solution there as well , perhaps that could be the answer.
    Thank you again for your suggestions and will keep pluging away!

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