Apparently it's in toshiba_acpi, which is presently ... unmaintained! Fabulous.
There's a workaround here https://bbs.archlinux.org/viewtopic.php?id=132044 which might help should anyone with this laptop find this bug report and feel like working on the problem. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1159771 Title: Toshiba Portege R830-13C no backlight after resume from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1159771/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
