[sane-devel] losing hair and sleep over this

[Frank Zago]

noah wrote:
> scanners don't work on my system!!!
> i've tried three scanners. two of which were admittedly unsupported, but the third of which is supposedly fully supported by sane.
> they were all usb.
> this last one is an epson perfection 640u. here's what happens:
> i plug in the scanner.
> quoth /var/log/messages:
> Oct 28 22:36:49 cobaltdhcpb60 /sbin/hotplug: arguments (usb) env (DEVFS=/proc/bus/usb OLDPWD=/ PATH=/bin:/sbin:/usr/sbin:/usr/bin ACTION=remove PWD=/etc/hotplug SHLVL=1 HOME=/ DEVICE=/proc/bus/usb/002/006 PRODUCT=4b8/10c/1 TYPE=255/0/255 DEBUG=kernel _=/bin/env)
> Oct 28 22:36:49 cobaltdhcpb60 /sbin/hotplug: invoke /etc/hotplug/usb.agent ()
> Oct 28 22:36:53 cobaltdhcpb60 kernel: hub.c: new USB device 00:14.3-1.2, assigned address 7
> Oct 28 22:36:57 cobaltdhcpb60 kernel: message.c: usb_control/bulk_msg: timeout
> Oct 28 22:36:58 cobaltdhcpb60 kernel: message.c: error getting string descriptor 0 (error=-110)
> Oct 28 22:36:58 cobaltdhcpb60 kernel: Manufacturer: EPSON
> Oct 28 22:36:58 cobaltdhcpb60 kernel: scanner.c: probe_scanner: User specified USB scanner -- Vendor:Product - 4b8:10c
> Oct 28 22:36:58 cobaltdhcpb60 /sbin/hotplug: arguments (usb) env (DEVFS=/proc/bus/usb OLDPWD=/ PATH=/bin:/sbin:/usr/sbin:/usr/bin ACTION=add PWD=/etc/hotplug SHLVL=1 HOME=/ DEVICE=/proc/bus/usb/002/007 PRODUCT=4b8/10c/1 TYPE=255/0/255 DEBUG=kernel _=/bin/env)
> Oct 28 22:36:58 cobaltdhcpb60 /sbin/hotplug: invoke /etc/hotplug/usb.agent ()
> Oct 28 22:37:01 cobaltdhcpb60 /etc/hotplug/usb.agent: Setup scanner for USB product 4b8/10c/1
> 


Have you tried with another usb HCI? If you're using uhci, you can try usb-uhci 
instead (kernel configuration).
Except that, I don't really know. You can try posting your message on linux-dev 
too (see linux-usb.org).

Frank.