Файловый менеджер - Редактировать - /usr/share/doc/libsane/TROUBLESHOOTING.Debian
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1.) usbfs: interface 1 claimed by usblp while ‘scanimage’ sets config #1 2.) ACL: device file system does not support ACLs 1.) usbfs: interface 1 claimed by usblp while ‘scanimage’ sets config #1 If you get this error meessage you can try echo -e "\nblacklist usblp" >> /etc/modprobe.d/blacklist.conf and reboot. After that your scanner can used. REMARK: Sometimes usblp is used to access your printer. 2.) ACL: device file system does not support ACLs From https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=789593 The file /lib/udev/rules.d/60-libsane.rules uses the command "/bin/setfacl -m g:scanner:rw $env{DEVNAME}" to add the "scanner" group with rw access to the device permissions. In my case, with /dev on an ext4 filesystem with no ACL support enabled in the kernel, setfacl returns "Operation not supported". I assume this is because it's trying to add a group, which is not possible in its fallback mode of traditional Unix-style file permissions. As a workaround, I have substituted "/bin/chown root:scanner $env{DEVNAME}" as the command at the end of 60-libsane.rules (an alternative would be to use a UDEV rule element to change the ownership).
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