as root # echo 262144 > /proc/scsi/sg/def_reserved_size
# cat /proc/scsi/sg/def_reserved_size 262144 as non-root user [root at localhost ram0]# su - pete [pete at localhost ~]$ cat /proc/scsi/sg/def_reserved_size 262144 $ sane-find-scanner -q found SCSI processor "EPSON SCANNER GT-30000 1.53" at /dev/sg1 [pete at localhost ~]$ cat /proc/scsi/sg/def_reserved_size 32768 what gives ? This is sane-find-scanner from sane-backends 1.0.22