Package: xbacklight Version: 1.2.1-1 Followup-For: Bug #833508 Dear Reporter,
I can confirm that xbacklight gives "No outputs have backlight property" when I changed from xserver-xorg-video-intel to the new xserver-xorg-core in Debian Sid. Your work-arounds in your opening work for me too, thanks. When I roll-back to xserver-xorg-video-intel by using the following xorg.conf ... Section "Device" Identifier "Intel" Driver "intel" # Option "AccelMethod" "uxa" EndSection ... than xbacklight works again. I have the xbacklight problem with ... ii xserver-xorg-core 2:1.18.4-1 amd64 Xorg X server - core server My Intel-GPU is: # lspci -v -s 00:02.0 00:02.0 VGA compatible controller: Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller (rev 21) (prog-if 00 [VGA controller]) Subsystem: Acer Incorporated [ALI] Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Integrated Graphics Controller Flags: bus master, fast devsel, latency 0, IRQ 197 Memory at 90000000 (64-bit, non-prefetchable) [size=16M] Memory at 80000000 (64-bit, prefetchable) [size=256M] I/O ports at 2000 [size=64] [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: [d0] Power Management version 2 Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [b0] Vendor Specific Information: Len=07 <?> Kernel driver in use: i915 Kernel modules: i915 Kind regards -- System Information: Debian Release: stretch/sid APT prefers unstable APT policy: (500, 'unstable') Architecture: amd64 (x86_64) Kernel: Linux 4.6.0-1-amd64 (SMP w/2 CPU cores) Locale: LANG=en_IE.UTF-8, LC_CTYPE=en_IE.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: systemd (via /run/systemd/system) Versions of packages xbacklight depends on: ii libc6 2.23-4 ii libxcb-randr0 1.11.1-1.1 ii libxcb-util0 0.3.8-3 ii libxcb1 1.11.1-1.1 xbacklight recommends no packages. xbacklight suggests no packages. -- no debconf information