Shahar Or, the next step is to perform a kernel bisect from Precise to Quantal, in order to identify the offending commit(s). Could you please do this following https://wiki.ubuntu.com/Kernel/KernelBisection ?
Helpful Bug Reporting Links: https://help.ubuntu.com/community/ReportingBugs#Bug_Reporting_Etiquette https://help.ubuntu.com/community/ReportingBugs#A3._Make_sure_the_bug_hasn.27t_already_been_reported https://help.ubuntu.com/community/ReportingBugs#Adding_Apport_Debug_Information_to_an_Existing_Launchpad_Bug https://help.ubuntu.com/community/ReportingBugs#Adding_Additional_Attachments_to_an_Existing_Launchpad_Bug ** Tags added: precise regression-release ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Tags added: needs-bisect -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1030503 Title: 14e4:4315 No wifi (BCM4312) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1030503/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs