Public bug reported:
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.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic uec-images
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https://bugs.launchpad.net/bugs/1862715
Title:
mac mini late 2009 usb 2.0 devices detected as 1.0, run slow
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