Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.15 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.15-rc2-trusty/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1312358 Title: wifi intermittent on Macbook Pro Retina 10,2 Ubuntu 14.04 Status in “linux” package in Ubuntu: Incomplete Bug description: Problem: wifi is intermittent on my Macbook Pro and the logfile shows it's disconnecting Hardware System: Macbook Pro Retina 13" version 10,2 early 2013 wifi firmware installed was default in Ubuntu 14.04 (mac 64bit OS) and synaptic shows the bcmwl-kernel-source to be installed My wifi is: Broadcom 4331 The command lspci -nnk | grep -iA2 net shows the following: Network controller [0200]: Broadcom ....... [14e4:16a3] (rev 21) ....... ...... Kernel driver in use: wl I get intermittent disconnections from the wifi which is set to g-only. Other wifi router settings have not been any better. Changing the wifi installation from the default of Ubuntu 14.04 have not improved things. I tried the firmware-b43-installer with similar results as above. My kernel is: 3.13.0-24 generic #46-Ubuntu SMP Thanks, Phil --- ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: viking 2055 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=9a76124f-99fb-4ba8-8c94-f09d985809e9 InstallationDate: Installed on 2014-04-24 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417) MachineType: Apple Inc. MacBookPro10,2 NonfreeKernelModules: wl Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: \boot\vmlinuz-3.13.0-24-generic ro root=UUID=b6a171a9-799e-44f1-ab31-7d0940a39646 initrd=boot\initrd.img-3.13.0-24-generic ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127 Tags: trusty Uname: Linux 3.13.0-24-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 11/16/2012 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP102.88Z.0106.B03.1211161133 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-AFD8A9D944EA4843 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro10,2 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-AFD8A9D944EA4843 dmi.modalias: dmi:bvnAppleInc.:bvrMBP102.88Z.0106.B03.1211161133:bd11/16/2012:svnAppleInc.:pnMacBookPro10,2:pvr1.0:rvnAppleInc.:rnMac-AFD8A9D944EA4843:rvrMacBookPro10,2:cvnAppleInc.:ct10:cvrMac-AFD8A9D944EA4843: dmi.product.name: MacBookPro10,2 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. --- ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: viking 2055 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 HibernationDevice: RESUME=UUID=9a76124f-99fb-4ba8-8c94-f09d985809e9 InstallationDate: Installed on 2014-04-24 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64+mac (20140417) MachineType: Apple Inc. MacBookPro10,2 NonfreeKernelModules: wl Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: \boot\vmlinuz-3.13.0-24-generic ro root=UUID=b6a171a9-799e-44f1-ab31-7d0940a39646 initrd=boot\initrd.img-3.13.0-24-generic ProcVersionSignature: Ubuntu 3.13.0-24.46-generic 3.13.9 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127 Tags: trusty Uname: Linux 3.13.0-24-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 11/16/2012 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP102.88Z.0106.B03.1211161133 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-AFD8A9D944EA4843 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro10,2 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-AFD8A9D944EA4843 dmi.modalias: dmi:bvnAppleInc.:bvrMBP102.88Z.0106.B03.1211161133:bd11/16/2012:svnAppleInc.:pnMacBookPro10,2:pvr1.0:rvnAppleInc.:rnMac-AFD8A9D944EA4843:rvrMacBookPro10,2:cvnAppleInc.:ct10:cvrMac-AFD8A9D944EA4843: dmi.product.name: MacBookPro10,2 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. 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