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Old 06-25-2008, 08:21 AM
Carrot Cruncher
 
Default epson usb scanner - device busy

hi. just tried to use the scanner in my epson rx425 mfp for the first
time since upgrading (actually a brand new install) to fc9.


sane-find-scanner returns the following entries when run as root :

found USB scanner (vendor=0x0557, product=0x2008) at libusb:001:004
found USB scanner (vendor=0x04b8 [EPSON], product=0x080f [USB MFP]) at
libusb:003:004


but scanimage -L returns no scanners. if i run scanimage with debugging
enabled i get the following :


USB error: could not set config 1: Device or resource busy
[sanei_usb] sanei_usb_open: libusb complained: could not set config 1:
Device or resource busy
[sanei_usb] Maybe the kernel scanner driver or usblp claims the
interface? Ignoring this error...


but i don't know what this means. can anyone help me ?

oh, and this exact same setup worked fine in fc8.

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Old 06-27-2008, 06:10 AM
Ric Moore
 
Default epson usb scanner - device busy

On Wed, 2008-06-25 at 09:21 +0100, Carrot Cruncher wrote:
> hi. just tried to use the scanner in my epson rx425 mfp for the first
> time since upgrading (actually a brand new install) to fc9.
>
> sane-find-scanner returns the following entries when run as root :
>
> found USB scanner (vendor=0x0557, product=0x2008) at libusb:001:004
> found USB scanner (vendor=0x04b8 [EPSON], product=0x080f [USB MFP]) at
> libusb:003:004
>
> but scanimage -L returns no scanners. if i run scanimage with debugging
> enabled i get the following :
>
> USB error: could not set config 1: Device or resource busy
> [sanei_usb] sanei_usb_open: libusb complained: could not set config 1:
> Device or resource busy
> [sanei_usb] Maybe the kernel scanner driver or usblp claims the
> interface? Ignoring this error...
>
> but i don't know what this means. can anyone help me ?

This might sound entirely nutz, but I had a problem with my HP
multi-function as it refused to scan. Drove me crazy, and when I opened
the lid to remove the document, the scan bar started moving and there
were a few click-click noises. You know, things that make you go "huh?".
Darn thing worked like a charm after that. Your mileage may vary, but
give that a whirl. Just open and close the lid and maybe that will reset
that busy you're getting. Ric


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Old 06-27-2008, 10:32 AM
Carrot Cruncher
 
Default epson usb scanner - device busy

thanks for the response. i found the cause to be the epson2 backend. i
amended the dll.conf file to use the epson backend instead and now the
scanner is listed via scanimage -L.


i'm now having problems making the scanner available to non root users
permanently as fc9 appears to have changed from using udev to hal (see
https://bugzilla.redhat.com/show_bug.cgi?id=438827). in fc8 i simply
amended /etc/udev/rules.d/60-libsane.rules but this isn't available in fc9.


i can chmod 666 the device file but this doesn't survive a reboot.

Ric Moore wrote:

On Wed, 2008-06-25 at 09:21 +0100, Carrot Cruncher wrote:
hi. just tried to use the scanner in my epson rx425 mfp for the first
time since upgrading (actually a brand new install) to fc9.


sane-find-scanner returns the following entries when run as root :

found USB scanner (vendor=0x0557, product=0x2008) at libusb:001:004
found USB scanner (vendor=0x04b8 [EPSON], product=0x080f [USB MFP]) at
libusb:003:004


but scanimage -L returns no scanners. if i run scanimage with debugging
enabled i get the following :


USB error: could not set config 1: Device or resource busy
[sanei_usb] sanei_usb_open: libusb complained: could not set config 1:
Device or resource busy
[sanei_usb] Maybe the kernel scanner driver or usblp claims the
interface? Ignoring this error...


but i don't know what this means. can anyone help me ?


This might sound entirely nutz, but I had a problem with my HP
multi-function as it refused to scan. Drove me crazy, and when I opened
the lid to remove the document, the scan bar started moving and there
were a few click-click noises. You know, things that make you go "huh?".
Darn thing worked like a charm after that. Your mileage may vary, but
give that a whirl. Just open and close the lid and maybe that will reset
that busy you're getting. Ric




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