Restarting USB?

Matthew Flaschen matthew.flaschen at gatech.edu
Sun Jun 24 08:21:05 UTC 2007


Dave M wrote:
> I am using ubuntu v6.06. I have not re-booted in three weeks. After a 
> couple of weeks the USB support quit working. No USB printer or USB disks. 
> This seems to be a repeatable problem. After a week or two my system 
> performance begins to degrade and the USB support quits working. If I 
> re-boot the problems go away. I dont know enough about how USB devices are 
> handled to know how to approach this. Is there a way to restart USB support 
> without having to re-boot?

It seems to be:

sudo modprobe -r -v ehci-hcd
sudo modprobe -a -v ehci-hcd

EHCI is Enhanced Host Controller Interface.  I.E. the kernel usb module.
 You may want to file a bug on this, though.

Matt Flaschen




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