First of all, thanks for the hints, nickm. Loading sony_laptop and modifying /etc/acpi/sonybright.sh do make the brightness keys work again.
However, sony_laptop is not loaded at boot even though I added it to /etc/modules. It seems to work only when modprobed manually. Any idea? -- In Fiesty Sony Vaio Brigthness Fn keys stopped working https://bugs.launchpad.net/bugs/90708 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs