** Attachment added: "dmesg.txt" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1862715/+attachment/5327176/+files/dmesg.txt
-- 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/1862715 Title: mac mini late 2009 usb 2.0 devices detected as 1.0, run slow Status in linux package in Ubuntu: Invalid Bug description: I've got ubuntu 18.04 LTS installed on an old 2009 mac mini. Any USB 2.0 device I plug into the mac is detected, but runs at usb 1.0 speeds. I see ehci hubs in lsusb, but the ohci hubs seem to "grab" whatever device I plug in. lspci --tree /: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/5p, 12M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/3p, 12M |__ Port 1: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M |__ Port 1: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M |__ Port 1: Dev 3, If 2, Class=Vendor Specific Class, Driver=, 12M |__ Port 1: Dev 3, If 3, Class=Application Specific Interface, Driver=, 12M /: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=ohci-pci/7p, 12M |__ Port 1: Dev 7, If 0, Class=Vendor Specific Class, Driver=, 12M |__ Port 5: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/5p, 480M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/7p, 480M ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-76-generic 4.15.0-76.86 ProcVersionSignature: Ubuntu 4.15.0-76.86-generic 4.15.18 Uname: Linux 4.15.0-76-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.15.0-76-generic. AplayDevices: Error: [Errno 2] No such file or directory: 'aplay': 'aplay' ApportVersion: 2.20.9-0ubuntu7.9 Architecture: amd64 ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord': 'arecord' AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: armalota 8462 F.... pulseaudio Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer': 'amixer' Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer': 'amixer' Date: Tue Feb 11 02:38:53 2020 InstallationDate: Installed on 2020-01-17 (24 days ago) InstallationMedia: Ubuntu-Server 18.04.3 LTS "Bionic Beaver" - Release amd64 (20190805) MachineType: Apple Inc. Macmini3,1 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-76-generic root=UUID=9e36d5d6-24fd-4483-830d-9ee79b7e32eb ro RelatedPackageVersions: linux-restricted-modules-4.15.0-76-generic N/A linux-backports-modules-4.15.0-76-generic N/A linux-firmware 1.173.14 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/17/09 dmi.bios.vendor: Apple Inc. dmi.bios.version: MM31.88Z.00AD.B00.0907171535 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-F22C86C8 dmi.board.vendor: Apple Inc. dmi.chassis.asset.tag: Asset Tag# dmi.chassis.type: 16 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-F22C86C8 dmi.modalias: dmi:bvnAppleInc.:bvrMM31.88Z.00AD.B00.0907171535:bd07/17/09:svnAppleInc.:pnMacmini3,1:pvr1.0:rvnAppleInc.:rnMac-F22C86C8:rvr:cvnAppleInc.:ct16:cvrMac-F22C86C8: dmi.product.family: Macmini dmi.product.name: Macmini3,1 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/1862715/+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
