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i have the same problem as @burningserentiy but i have a Galago Pro (galp3)

Aug 03 19:34:56 glados system76-daemon[7278]: 2018-08-03 19:34:56,864  INFO  {'hci0': True, 'phy0': True} != None
Aug 03 19:34:56 glados system76-daemon[7278]: 2018-08-03 19:34:56,866  ERROR  Error in AirplaneMode.update():
Aug 03 19:34:56 glados system76-daemon[7278]: Traceback (most recent call last):
Aug 03 19:34:56 glados system76-daemon[7278]:   File "/usr/lib/python3.6/site-packages/system76driver/daemon.py", line 282, in update
Aug 03 19:34:56 glados system76-daemon[7278]:     sync_led(self.fd, airplane_mode)
Aug 03 19:34:56 glados system76-daemon[7278]:   File "/usr/lib/python3.6/site-packages/system76driver/daemon.py", line 246, in sync_led
Aug 03 19:34:56 glados system76-daemon[7278]:     write_int(fd, 0xD9, new)
Aug 03 19:34:56 glados system76-daemon[7278]:   File "/usr/lib/python3.6/site-packages/system76driver/daemon.py", line 189, in write_int
Aug 03 19:34:56 glados system76-daemon[7278]:     os.pwrite(fd, buf, address)
Aug 03 19:34:56 glados system76-daemon[7278]: OSError: [Errno 22] Invalid argument

2018-08-03 19:36:26,977  INFO  **** Process start at monotonic time 560.896989759
2018-08-03 19:36:26,978  INFO  None
2018-08-03 19:36:26,978  INFO  model: 'galp3'
2018-08-03 19:36:26,978  INFO  Backlight hack not needed for 'galp3'

I have tried checking out older commits from the repository where it actually worked and it still spits out the same error. I do not understand why. My backlight is very low and it is incredibly annoying, i cannot change the backlight settings at all.

My backlight controls don't work on my Oryx Pro 4.

When I ran systemctl status system76.service I saw this error after the usual systemd info:

Jul 27 09:28:13 pew system76-daemon[642]: Traceback (most recent call last):
           └─642 /usr/bin/python3 /usr/lib/system76-driver/system76-daemon

Jul 27 09:28:13 pew system76-daemon[642]: Traceback (most recent call last):
Jul 27 09:28:13 pew system76-daemon[642]:   File "/usr/lib/python3.6/site-packages/system76driver/daemon.py", line 478, in run_firmware_acpi_interrupt
Jul 27 09:28:13 pew system76-daemon[642]:     ret.append(_run_firmware_acpi_interrupt(model, interrupt))
Jul 27 09:28:13 pew system76-daemon[642]:   File "/usr/lib/python3.6/site-packages/system76driver/daemon.py", line 470, in _run_firmware_acpi_interrupt
Jul 27 09:28:13 pew system76-daemon[642]:     gpe.run()
Jul 27 09:28:13 pew system76-daemon[642]:   File "/usr/lib/python3.6/site-packages/system76driver/daemon.py", line 461, in run
Jul 27 09:28:13 pew system76-daemon[642]:     print('disable', file = f)
Jul 27 09:28:13 pew system76-daemon[642]: OSError: [Errno 22] Invalid argument
Jul 27 09:28:13 pew system76-daemon[642]: 2018-07-27 09:28:13,980  INFO  ESS DAC autoswitch not needed for 'oryp4'
Jul 27 09:28:13 pew system76-daemon[642]: 2018-07-27 09:28:13,980  INFO  DPCD PWM fix not needed for 'oryp4'

Also, this didn't seem to install the system76-backlight user service. I don't have anything at /usr/share/applications/system76-driver-backlight.desktop

On further inspection, that file was just not executable. So I tried the file in the Exec line: /usr/lib/system76-driver/system76-backlight-daemon Which output:

2018-07-27 10:09:59,099  INFO  **** Process start at monotonic time 166.039246331
2018-07-27 10:09:59,099  INFO  None
2018-07-27 10:09:59,099  INFO  model: 'oryp4'
2018-07-27 10:09:59,099  INFO  Backlight hack not needed for 'oryp4'

Thanks for the tips, ebobby and rko. 18.04.25-2 should resolve the issues with missing dependencies and the firmware updater.

@ava1ar Since I bought an Oryx Pro 4 a week ago I had to make this work a few days ago (I wanted to contact you then but I was busy).

I have a version here that you may be interested in:

https://github.com/ebobby/system76-driver/commit/607d871c75042c9171f29185d3bfa04a7043950d

The firmware daemon was taken out but I took the liberty of keeping (and adding) the desktop and policy files because I added an AUR package for the firmware daemon so they still provide the functionality needed:

https://aur.archlinux.org/packages/system76-firmware-daemon/

I think "python-systemd" should be added as a dependency to this package. Looking at the journalctl logs for "system76", it was failing due to "ModuleNotFoundError: No module named 'systemd'", and installing this package fixed this for me.

Updated to 18.04.25. Please note, automated firmware updated was removed from 18.04 version.

NOTE: The hidpi-daemon has been removed from version 17.10.32 of system76-driver. Upstream separated the hidpi code into its own package, which you can find on the AUR here: https://aur.archlinux.org/packages/hidpi-daemon/

Actually, the only other change in addition to my last comment may be to modify line 31 of PKGBUILD to say

cd ${srcdir}/${pkgname}

I am not 100% sure however, as I have never installed this package before and may be missing something else.

Just tried installing this, and it seems that 17.10.9 is no longer available to be downloaded from launchpad.net. I believe that 17.10.12 is the latest, although it looks to be more work to update than just updating the PKGBUILD's pkgver and associated sha1sum, unfortunately.