Comment # 49 on bug 920937 from Ian Powell

(In reply to Johannes Meixner from comment #48)
> When the kernel has issues in its general USB functionality,
> it could of course be the root cause here but I guess that
> issues in USB storage are unrelated to issues in USB that
> are related to printers?
> 
> Ian Powell and Sa��a Jani��ka,
> do you really have no usb related error messages
> in any of "the usual log places" on your systems?
> I think without usb related error messages
> it does not make much sense to let a kernel developer
> have a look, nevertheless:

i'll reboot with the printer turned on and create an attachement of the
/var/log/messages and the cups error.log

> 
> Oliver Neukum,
> this issue here is basically that under currently unknown
> circumstances the CUPS backend /usr/lib/cups/backend/usb
> does no longer detect USB printers on openSUSE Tumbleweed.

The output from /usr/lib/cups/backend/usb does detect a printer on the USB: -
see comment 46

> Do you perhaps know of general USB issues in the kernel
> that is used on openSUSE Tumbleweed that could be the
> root cause of such issues?