Sounds like https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1134389 ?
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to bcmwl in Ubuntu. https://bugs.launchpad.net/bugs/1527922 Title: Recurrent problem with Wifi in Macbook Air 5,2 Ubuntu 14.04 Status in bcmwl package in Ubuntu: Confirmed Bug description: This is the typical dmesg result: [14901.908048] ERROR @wl_inform_single_bss : cfg80211_inform_bss_frame error [15100.343519] applesmc: send_byte(0x00, 0x0300) fail: 0x40 [15100.343523] applesmc: LKSB: write data fail ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: bcmwl-kernel-source 6.30.223.248+bdcom-0ubuntu0.1 ProcVersionSignature: Ubuntu 3.13.0-73.116-generic 3.13.11-ckt30 Uname: Linux 3.13.0-73-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CurrentDesktop: Unity Date: Sat Dec 19 20:42:59 2015 InstallationDate: Installed on 2015-07-03 (168 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417) SourcePackage: bcmwl UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bcmwl/+bug/1527922/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
