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Re: how to activate usb port



On Fri, 2009-06-26 at 20:58 +0100, abdelkader belahcene wrote:
> Hi,
> Sometimes (Not Always)  , the usb port are not activate, lsusb gives 
> $lsusb
> Bus 002 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:0001 Linux Foundation 1.1 root hub
> Bus 001 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
> 
> while usb pen (flash disk) and webcam are both connected !!!
> 
> I tryed other usb  port, plug in and out, nothing is changed !!!?
> 
> the light of usb pen  is off, no lights, while normally it is on.
> 
> How to activate the ports?  is it necessary to reload modules , if so
> which one?

I don't think you need any special step, but...
How long has it been like that? What has changed since then?
Does /var/log/syslog have entries related to USB?
It could be due to a lack of power (is your laptop on battery?)
trying connecting just one device at a time (for diagnosis)?

Franklin


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