$ ls /sys/class/backlight/ intel_backlight
** Attachment added: "acpi.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891032/+attachment/5401244/+files/acpi.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891032 Title: Brightness key freeze screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891032/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
