some info that can be useful for you:

 last post i send was made as a root (sudo lsusb -v)

some times if i try to access to some usb without being a root (i.e using
som programs as rioutil for my mp3) i get the error:

[EMAIL PROTECTED]:~$ rioutil -l
Attempting to open Rio and retrieve song list....
Device not found.
library tried to use method: libusb

the same action as a root works perfectly

is i do lsusb without being a root I get the following output

some notes:

[EMAIL PROTECTED]:~$ lsusb -v>lsusb-v
can't get device qualifier: Operation not permitted
can't get debug descriptor: Operation not permitted
cannot read device status, Operation not permitted (1)
can't get hub descriptor: Operation not permitted
can't get device qualifier: Operation not permitted
can't get debug descriptor: Operation not permitted
cannot read device status, Operation not permitted (1)
can't get hub descriptor: Operation not permitted
cannot read device status, Operation not permitted (1)
cannot read device status, Operation not permitted (1)
can't get hub descriptor: Operation not permitted
cannot read device status, Operation not permitted (1)
can't get hub descriptor: Operation not permitted
cannot read device status, Operation not permitted (1)
can't get hub descriptor: Operation not permitted
cannot read device status, Operation not permitted (1)
[EMAIL PROTECTED]:~$

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Web cam dosn't work
https://launchpad.net/bugs/88801

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