I've experienced this exact same problem on Ubuntu 9.04 and 9.10 running on the first version of Macbook (1,1). I finally did some testing to get real test results. The battery is roughly 50% of the original capacity to start with:
design capacity: 50200 mWh last full capacity: 27090 mWh This problem is caused by the "platform" (ACPI) poweroff mode used (by default) during hibernation. Switching to "shutdown" mode solves the problem: - in "platform" mode the battery is drained by ~13% in ~12 hours - in "shutdown" mode the battery is not drained at all in ~12 hours To fix this issue, I added a new script to /etc/pm/sleep.d and made it executable: #!/bin/sh # /etc/pm/sleep.d/51local case "$1" in hibernate|suspend) # Switch to "poweroff" mode (instead of "platform") # # Adapted from # # https://wiki.ubuntu.com/DebuggingKernelSuspendHibernateResume echo shutdown > /sys/power/disk ;; thaw|resume) # Do nothing ;; *) exit $NA ;; esac -- Toshiba laptop battery is drained while shut down https://bugs.launchpad.net/bugs/110784 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