*** This bug is a duplicate of bug 919815 *** https://bugs.launchpad.net/bugs/919815
Please see here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/919815 This workaround will solve the issue. Enable Wireless and set "Boot from LAN" to first in bios. You will get an error message when Notebook starts, but silly thing it works ;-) Regards, Joerg ** This bug has been marked a duplicate of bug 919815 Ubuntu freeze on battery after power on/off - blacklisting ath9k stops freeze ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/989566 Title: Acer Aspire 7250 laptop with Atheros AR9485 freezes when Enabling Wireless in 12.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/989566/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs