Date: Tue, 10 Mar 1998 23:16:23 +0100 (CET) From: robsch@robkaos.ruhr.de (Robert Schien) To: freebsd-scsi@FreeBSD.ORG Subject: Re: Scanner support Message-ID: <m0yCXJv-000695C@robkaos.ruhr.de> In-Reply-To: <199803102018.PAA22926@hda.hda.com> from Peter Dufault at "Mar 10, 98 03:18:55 pm"
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> The user level commands don't know how to repackage a command when > it is split up due to the memory not being physically contiguous > - it doesn't know the details of the commands so it can't do the > split properly. This makes it bad for data transfers. > > Options (if available) are to configure sane to use read/write > transfers to some device instead for the data transfer, to set it > to use smaller block sizes (4K will always work), or a questionable > idea involving hackery to map a buffer to a contiguous address > using mmap. > Thank you for your explanation. Unfortunately, this means that there is no possibility to use SCSI scanners with FreeBSD at the moment. :-(( It's quite disappointing. :-(( Robert To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-scsi" in the body of the message
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