Did this issue start happening after an update/upgrade? Was there a prior kernel version where you were not having this particular problem?
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.9 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'. 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/v4.9-rc2 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- 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/1635875 Title: Call-trace about thunderbolt when booting Ubuntu on Macbook Status in linux package in Ubuntu: Incomplete Bug description: Ubuntu 16.04 on MacBookPro10,1. Kernel 4.4.0-45-generic Booted without anything connected. [ 10.552192] Call Trace: [ 10.552197] [<ffffffff813f1fe3>] dump_stack+0x63/0x90 [ 10.552200] [<ffffffff81081212>] warn_slowpath_common+0x82/0xc0 [ 10.552201] [<ffffffff810812ac>] warn_slowpath_fmt+0x5c/0x80 [ 10.552202] thunderbolt 0000:07:00.0: resetting error on 0:b. [ 10.552204] [<ffffffffc049114f>] tb_wait_for_port+0x34f/0x3e0 [thunderbolt] [ 10.552206] [<ffffffffc04904cd>] tb_scan_port+0x5d/0x1a0 [thunderbolt] [ 10.552208] [<ffffffffc04907c2>] tb_handle_hotplug+0x1b2/0x320 [thunderbolt] [ 10.552210] [<ffffffff8109a3e5>] process_one_work+0x165/0x480 [ 10.552212] [<ffffffff8109a74b>] worker_thread+0x4b/0x4c0 [ 10.552214] [<ffffffff8109a700>] ? process_one_work+0x480/0x480 [ 10.552215] [<ffffffff8109a700>] ? process_one_work+0x480/0x480 [ 10.552217] [<ffffffff810a0928>] kthread+0xd8/0xf0 [ 10.552218] [<ffffffff810a0850>] ? kthread_create_on_node+0x1e0/0x1e0 [ 10.552221] [<ffffffff81831c4f>] ret_from_fork+0x3f/0x70 [ 10.552222] [<ffffffff810a0850>] ? kthread_create_on_node+0x1e0/0x1e0 [ 10.552223] ---[ end trace 6eefd0c78014b083 ]--- Attached full dmesg_boot.txt. Thunderbolt works (tested with thunderbolt-ethernet-adapter). --- ApportVersion: 2.20.1-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: rantalai 1719 F.... pulseaudio /dev/snd/controlC0: rantalai 1719 F.... pulseaudio CurrentDesktop: XFCE DistroRelease: Ubuntu 16.04 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=f4a4e8d3-6626-44c4-a9db-318fc8bc224f InstallationDate: Installed on 2016-09-26 (27 days ago) InstallationMedia: Xubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: Apple Inc. MacBookPro10,1 Package: linux (not installed) ProcFB: 0 inteldrmfb 1 nouveaufb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-45-generic.efi.signed root=UUID=960e4930-9d65-4156-868d-550cff537f8d ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.4.0-45.66-generic 4.4.21 RelatedPackageVersions: linux-restricted-modules-4.4.0-45-generic N/A linux-backports-modules-4.4.0-45-generic N/A linux-firmware 1.157.4 Tags: xenial Uname: Linux 4.4.0-45-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 09/11/2015 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBP101.88Z.00EE.B0A.1509111559 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-C3EC7CD22292981F dmi.board.vendor: Apple Inc. dmi.board.version: MacBookPro10,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-C3EC7CD22292981F dmi.modalias: dmi:bvnAppleInc.:bvrMBP101.88Z.00EE.B0A.1509111559:bd09/11/2015:svnAppleInc.:pnMacBookPro10,1:pvr1.0:rvnAppleInc.:rnMac-C3EC7CD22292981F:rvrMacBookPro10,1:cvnAppleInc.:ct10:cvrMac-C3EC7CD22292981F: dmi.product.name: MacBookPro10,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1635875/+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
