>Hi! > >I have been looking into this issue last weekend. A backtrace shows >that the process hangs on the read call in sane_read in the plustek >backend:
.... >It should be possible to fix this by closing the filedescriptors at >the end of the reader thread, e.g. by applying the following patch. >(Has not been tested yet, but please do.) If it works it should go >into the CVS. > > Mattias Hi! Thank you for the help! After patching and rebuilding plustek.c scanimage hangs no more... so I guess one problem is solved :-) Now the problem is an I/O error: XS206:~ onizuka$ scanimage > prova.pnm scanimage: sane_read: Error during device I/O XS206:~ onizuka$ I ran again scanimage with debug set to 255 and the output (gzip/uuencoded) is below Gianfranco XS206:~ onizuka$ uuencode -m debug.sane.gz debug.sane.gz begin-base64 644 debug.sane.gz H4sICDNfckAAA2RlYnVnLnNhbmUA7F17b9u4sv//fgoWC9x1Frajt+VgXSBN0m7uyQtxum1RLAJZ ohLd2pKvJCfNwfnwd4aUbFKWZDWbNPVWRh+WOBwOh8Phb0Y09TlxQhpce3SyuPmLjGmaBuENYZdk Su/olEQ+mU8XSUq/kDQimmn2/+tzduMvcpGVTBz3Cw098qfSNwY9VemSuROnWBf597LihKh9pa/q PfcuEZi8/iXn0xvvnx2RNxkzNwr94GYRO2kQhcQPpvR3udbbKCaLhJL7IL0lJ6dDW1d3tV0dpEmo R96P35DEdcKQxolcUboq8KSOewv9vwtcSkJKQWYnBU04SUrS+4hMg5Ame4U6PfJ5kUz+IncgdRT3 jg+JA+LP48hbuClcrpFn/Pl/oTMrdizo0z7xoXe5fjvKV2XwRt8h769UbVe1djWD3VPUwU6hLheF 0xNOUqDIWt+F/3eBONNRgSgq3shqTYMJ1NmbTCZ7nucVaO5vaUwJlJEgIektfF0k4WI2oTHTCFRg 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