I have the same problem with an Acer Aspire 1680. In 2.6.20-15 my battery is detected correctly, but in 2.6.20-16 there is no battery information available. My laptop also has a 'smart battery system'.
-- Kernel 2.6.20-16 breaks Toshiba battery ACPI support https://bugs.launchpad.net/bugs/117773 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