1) With the version of the backend included in sane-1.0.1 the
scan mode option has been split into two options. You can
try instead something like this:
scanimage --device-name=microtek2:b1t6l0 --mode=Color --depth=8
for a scan with 8 bit per color.
2) Last time I checked scanimage didnīt support more than 8 bit
at all. In fact, if you issue a scanimage command and specify
a color depth of more than 8 bit scanimage tries to stop the
scan by sending a cancel command to the device. There seems
to be a bug in the backend, that it ignores a cancel during
a scan (but not during a preview).
3) Of course, scanimage or the backend should not segfault, when
wrong parameters are specified. Actually this happens, when
scanimage reads the OPT_BR_X option, but I am not yet sure,
whether this happens, because the backend ignores the cancel
command. This happens on Linux, too, and is not a problem of
the OS/2 port.
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