have an HP dc7-1170us that has been running 8.10 for a few months now. using the same usb mouse. Today i boot up and it says can't enumerate usb device..but boots up..when i log in.i can't use the mouse..tried every port..rebooted with it in it, tried a new mouse. Touchpad works.

Dmesg

[ 470.704181] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 472.632185] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 474.556181] hub 8-0:1.0: connect-debounce failed, port 4 disabled
[ 476.493079] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 478.420685] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 480.088204] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 480.308222] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 482.228181] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 484.156182] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 484.396203] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 486.340193] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 488.284532] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 488.752567] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 488.948587] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 490.872603] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 492.796561] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 493.792202] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 495.732101] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 497.660189] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 498.284668] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 498.480639] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 500.404603] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 502.324182] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 502.820307] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 504.788153] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 506.708184] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 507.144100] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 507.340144] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 509.264181] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 511.192684] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 511.528131] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 513.464556] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 515.384688] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 516.240211] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 516.436227] hub 1-0:1.0: unable to enumerate USB device on port 1
[ 518.360324] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 520.280191] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 521.552129] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 523.512552] hub 8-0:1.0: connect-debounce failed, port 2 disabled
[ 525.444183] hub 8-0:1.0: connect-debounce failed, port 3 disabled
[ 525.780698] hub 8-0:1.0: unable to enumerate USB device on port 4
[ 525.976615] hub 1-0:1.0: unable to enumerate USB device on port 1

and lsusb


Bus 008 Device 004: ID 046d:09b8 Logitech, Inc.
Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
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



any ideas? thanks in advanced