I saw this exact same problem under Jaunty, and worse, continue to see
this problem under Karmic Alpha 6 too. Logitech wireless mouse, not
recognised after resume from RAM on a Thinkpad T60p. Unloading/loading
uhci_hcd doesn't seem to work. Worse, under Karmic, neither does
unplugging and replugging the mouse. Problem isn't 100% reproducible
either. Happens maybe 50% of the time. Mouse is always detected as a usb
device however; see output from lsusb:
$ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 005 Device 010: ID 0a5c:2110 Broadcom Corp. Bluetooth Controller
Bus 005 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 004 Device 011: ID 046d:c501 Logitech, Inc. Cordless Mouse Receiver
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
$ sudo lsusb -s 0004:011 -vv
Bus 004 Device 011: ID 046d:c501 Logitech, Inc. Cordless Mouse Receiver
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x046d Logitech, Inc.
idProduct 0xc501 Cordless Mouse Receiver
bcdDevice 9.10
iManufacturer 1 Logitech
iProduct 2 USB Receiver
iSerial 0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 34
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 50mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 1
bInterfaceClass 3 Human Interface Device
bInterfaceSubClass 1 Boot Interface Subclass
bInterfaceProtocol 2 Mouse
iInterface 0
** UNRECOGNIZED: 09 21 10 01 00 01 22 52 00
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0008 1x 8 bytes
bInterval 10
Device Status: 0x0000
(Bus Powered)
$ uname -a
Linux t60p 2.6.31-10-generic #34-Ubuntu SMP Wed Sep 16 00:23:19 UTC 2009 i686
GNU/Linux
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usb mouse not working after resume from Suspend to RAM
https://bugs.launchpad.net/bugs/368268
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