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<div class=Section1><pre><font size=2 face="Courier New"><span
style='font-size:10.0pt'>I’ve been running as root and had changed the permissions by hand without a reboot. I’m thinking that it’s not a permissions problem, but instead, the kernel has laid claim to the device. Any ideas on how to verify this and if it’s true, how to stop the kernel from claiming it?<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Thanks,<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>Kerry<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>try it as root. if this works, then you have a permissions problem on the <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>usb files in /proc. if you change the perms by hand, it will work, <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>but only until you next reboot or unplug the device. hotplug/udev can be <o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>used to change these permanently.<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>>allan<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>On Thu, 29 Jun 2006, Kerry Menzel wrote:<o:p></o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'><o:p> </o:p></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> Hi,<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> I just bought an Avision AV220 scanner and I'm trying to get it going on<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> RedHat ES 4 (2.6.9-5.EL). When I run sane-find-scanner, it finds the<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> device at libusb:002:005. When I run scanImage -L, no scanners are<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> detected. I put things in debug mode and I got the following output. I'm<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> suspecting that the kernel has laid claim to the scanner. How do I get<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> SANE to control the scanner or should I do something else????<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> The permissions for /proc/bus/usb/002 are 777 and 666<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> for /proc/bus/usb/002/005<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> Thanks for the help!<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [avision] sane_init: parsing config line "usb 0x0638 0x0a23"<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [avision] sane_init: config file line 23: trying to attach USB:`usb<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> 0x0638 0x0a23'<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [sanei_usb] sanei_usb_find_devices: vendor=0x0638, product=0x0a23<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [avision] attach:<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [avision] attach: opening libusb:002:005<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [sanei_usb] sanei_usb_open: trying to open device `libusb:002:005'<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> Check that you have permissions to write to 002/005 and, if you don't,<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> that you set up hotplug (<a
href="http://linux-hotplug.sourceforge.net/">http://linux-hotplug.sourceforge.net/</a>)<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> correctly.<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> USB error: could not claim interface 0: Device or resource busy<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [sanei_usb] sanei_usb_open: libusb complained: could not claim interface<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> 0: Device or resource busy<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [sanei_usb] Maybe the kernel scanner driver claims the scanner's<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> interface?<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [avision] attach: open failed (Device busy)<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'> [avision] sane_init: Trying to find USB device 638 a27 ...<o:p></o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre><pre><font
size=2 face="Courier New"><span style='font-size:10.0pt'>><i><span
style='font-style:italic'><o:p> </o:p></span></i></span></font></pre>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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