I have the same problem and some problems with built-in device of my laptop Aspire 5602 4.024114] usb
usb 2-2: device not accepting address 2, error -71 usb 5-6: new high speed USB device using ehci_hcd and address 3 usb 5-6: configuration #1 chosen from 1 choice usb 5-6: USB disconnect, address 3 usb 5-6: new high speed USB device using ehci_hcd and address 4 usb 3-2: new full speed USB device using uhci_hcd and address 2 usb 3-2: device descriptor read/64, error -71 lsusb Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 009: ID 0f62:1001 Acrox Technologies Co., Ltd Targus Mini Trackball Optical Mouse Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub -- ehci_hcd module causes I/O errors in USB 2.0 devices https://bugs.launchpad.net/bugs/88746 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
