This bug is still present in Ubuntu 12.10 Beta 2. Why there is no possibility to fix this problem after 2 years of existence of this bug? Look here:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/656745 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1030992 Title: notebook crashes on battery with particular wlan or other pcie devices enabled dell vostro 3700 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1030992/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs