Alexander Iain Kempshall <[email protected]> wrote:

Hi Alexander,

> Using a power supply made no difference. Adding scanner to the blacklist does 

Ok, too bad :/ When using USB hubs, this is the very first cause of
USB errors.

> seem to have made a difference. Rebooted the machine three or more times now 
> and on each occasion the scanner works - eventually. I say eventually  
> because in each new session the first time a scan is attempted it will fail 
> with the following in dmesg -
>
> usbdevfs: USBDEVFS_CONTROL failed dev 5 rqt 128 rq 6 len 2 ret -32

Hmm, I can't remember which include file has the error defines, I'll
have a look again later.

> On the second and subsequent attempts the scanner works perfectly. What do 
> the 
> errors mean?

JB.

-- 
Julien BLACHE                                   <http://www.jblache.org> 
<[email protected]>                                  GPG KeyID 0xF5D65169

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