Thank you for taking the time to file a bug report on this issue. However, given the number of bugs that the Kernel Team receives during any development cycle it is impossible for us to review them all. Therefore, we occasionally resort to using automated bots to request further testing. This is such a request.
With the recent release of this Ubuntu release, would like to confirm if this bug is still present. Please test again with the newer kernel and indicate in the bug if this issue still exists or not. You can update to the latest development kernel by simply running the following commands in a terminal window: sudo apt-get update sudo apt-get dist-upgrade If the bug still exists, change the bug status from Incomplete to Confirmed. If the bug no longer exists, change the bug status from Incomplete to Fix Released. If you want this bot to quit automatically requesting kernel tests, add a tag named: bot-stop-nagging. Thank you for your help, we really do appreciate it. ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete ** Tags added: kernel-request-3.13.0-24.46 -- 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/1318218 Title: SATA problems on MacBook Pro 11,1? Status in “linux” package in Ubuntu: Incomplete Bug description: I installed Ubuntu 14.04 next to MacOS following the guide at https://help.ubuntu.com/community/MacBookPro11-1/Saucy/ Looking into dmesg, I constantlz get entries like [ 276.380934] ata1: SError: { PHYRdyChg } [ 276.380943] ata1: hard resetting link [ 277.103527] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 277.103999] ata1.00: unexpected _GTF length (8) [ 277.104504] ata1.00: unexpected _GTF length (8) [ 277.104507] ata1.00: configured for UDMA/33 [ 277.104629] ata1: EH complete [ 277.206319] ata1: exception Emask 0x10 SAct 0x0 SErr 0x10000 action 0xe frozen [ 277.206328] ata1: irq_stat 0x00400000, PHY RDY changed [ 277.206333] ata1: SError: { PHYRdyChg } [ 277.206343] ata1: hard resetting link [ 277.927757] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 277.928425] ata1.00: unexpected _GTF length (8) [ 277.929040] ata1.00: unexpected _GTF length (8) [ 277.929051] ata1.00: configured for UDMA/33 [ 277.929168] ata1: EH complete [ 278.030944] ata1: exception Emask 0x10 SAct 0x0 SErr 0x10000 action 0xe frozen [ 278.030952] ata1: irq_stat 0x00400000, PHY RDY changed [ 278.030957] ata1: SError: { PHYRdyChg } [ 278.030965] ata1: hard resetting link [ 278.752008] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 278.752582] ata1.00: unexpected _GTF length (8) [ 278.753140] ata1.00: unexpected _GTF length (8) [ 278.753147] ata1.00: configured for UDMA/33 [ 278.753231] ata1: EH complete [ 278.853417] ata1: exception Emask 0x10 SAct 0x0 SErr 0x10000 action 0xe frozen [ 278.853424] ata1: irq_stat 0x00400000, PHY RDY changed [ 278.853427] ata1: SError: { PHYRdyChg } [ 278.853434] ata1: hard resetting link [ 279.576258] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 279.576881] ata1.00: unexpected _GTF length (8) [ 279.577417] ata1.00: unexpected _GTF length (8) [ 279.577427] ata1.00: configured for UDMA/33 [ 279.577491] ata1: EH complete [ 279.677753] ata1: exception Emask 0x10 SAct 0x0 SErr 0x10000 action 0xe frozen [ 279.677762] ata1: irq_stat 0x00400000, PHY RDY changed [ 279.677767] ata1: SError: { PHYRdyChg } [ 279.677776] ata1: hard resetting link [ 280.400449] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 280.401147] ata1.00: unexpected _GTF length (8) [ 280.401722] ata1.00: unexpected _GTF length (8) [ 280.401733] ata1.00: configured for UDMA/33 [ 280.401809] ata1: EH complete [ 280.502117] ata1: exception Emask 0x10 SAct 0x0 SErr 0x10000 action 0xe frozen [ 280.502127] ata1: irq_stat 0x00400000, PHY RDY changed [ 280.502132] ata1: SError: { PHYRdyChg } ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.47 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.14.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: markus 1663 F.... pulseaudio /dev/snd/controlC1: markus 1663 F.... pulseaudio CurrentDesktop: Unity Date: Sat May 10 19:33:44 2014 HibernationDevice: RESUME=UUID=c71381d2-e2f3-4c96-94ea-57b8986afd08 InstallationDate: Installed on 2014-05-09 (0 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Apple Inc. MacBookPro11,1 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-24-generic.efi.signed root=UUID=7584bc70-893a-4291-a1cb-4680f5e09d22 ro libata.force=noncq quiet splash vt.handoff=7 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 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 10/29/2013 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP111.88Z.0138.B03.1310291227 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-189A3D4F975D5FFC dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro11,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-189A3D4F975D5FFC dmi.modalias: dmi:bvnAppleInc.:bvrMBP111.88Z.0138.B03.1310291227:bd10/29/2013:svnAppleInc.:pnMacBookPro11,1:pvr1.0:rvnAppleInc.:rnMac-189A3D4F975D5FFC:rvrMacBookPro11,1:cvnAppleInc.:ct10:cvrMac-189A3D4F975D5FFC: dmi.product.name: MacBookPro11,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. 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