I just found out that the discussion thread at http://ubuntuforums.org/showthread.php?t=1495123 has some discussion, as well as a link to a patch (http://wiki.archlinux.org/index.php/Acer_TimelineX#Issues) and to kernel packages including the mentioned patch.
The patch seems to work here. Would you please consider carrying it until upstream finds a proper fix? -- Cannot detect AC adapter status and battery charge status on Acer Aspire 4820TG https://bugs.launchpad.net/bugs/578894 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs