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USB 2 Switching

I have a powerbook 12", and I'm running kernel 2.6.8-powerpc, Debian Sarge PPC.
If i use the USB port for my external hard-drive it goes up to 15MB speed, which is fine.
But, if I plug it out, use the usb mouse, and plug the HD again, it goes like a USB 1 speed, that's no more than 900 Kb/sec.

Any idea why?

[09:27:25] [Sun Jun 26] [49°C] [root@Pain] [~]
€ modinfo uhci_hcd
filename:       /lib/modules/2.6.8-powerpc/kernel/drivers/usb/host/uhci-hcd.ko
author:         Linus 'Frodo Rabbit' Torvalds, Johannes Erdfelt, Randy Dunlap, Georg Acher, Deti Fliegl, Thomas Sailer, Roman Weissgaerber, Alan Stern
description:    USB Universal Host Controller Interface driver
license:        GPL
vermagic:       2.6.8-powerpc gcc-3.3
depends:        usbcore
alias:          pci:v*d*sv*sd*bc0Csc03i00*
parm:           debug:Debug level

[09:27:45] [Sun Jun 26] [49°C] [root@Pain] [~]
€ lsmod | grep hci
ehci_hcd               37156  0
ohci1394               41924  0
ieee1394              448136  3 eth1394,ohci1394,sbp2
uhci_hcd               43792  0
ohci_hcd               26212  0
usbcore               139092  7 usb_storage,ehci_hcd,usbhid,uhci_hcd,ohci_hcd

[09:28:48] [Sun Jun 26] [49°C] [root@Pain] [~]
€ uname -a
Linux Pain 2.6.8-powerpc #1 Fri May 20 10:37:45 JST 2005 ppc GNU/Linux

Federico 'Pain' Pistono - Scream for me....
Department of Computer Science - Verona, Italy
My website :::::::::::::::: http://www.federicopistono.org
My personal website ::: http://pain.altervista.org
Ex-College Website :::: http://pain.altervista.org/flatnukeuwcad

Linux Registered User #340392

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