Re: Mustek ScanExpress 6000SP

Ricardo Ferreira (storm@atdot.org)
Sun, 31 Oct 1999 02:37:26 +0000

abel deuring wrote:
>
> abel deuring schrieb:
>
> [...]
> > If I understand the source code right, the backend should then queue two
> > resp. three read commands. This alone does not necessarily help, since
> > AFAIK the Linux kernels contain up to now the SG driver version 2.1.34,
> > and this SG version does not yet support "driver level" queueing. In
> > this case, the queueing logic is done within sanei_scsi.c, and this
> > means that the pipe might remain a bottleneck. Upgrading to SG version
> > 2.1.35 should help in this case. You can download the SG driver from
> > http://www.torque.net/sg/
>
> One addition: If you want to check if low level command queueing is
> enabled, set SANE_DEBUG_SANEI_SCSI to 1, and look to the output. If you
> want to see if it is acutally used, set SANE_DEBUG_SANEI_SCSI to 10 and
> look out for lines like "scsi_req_enter: queue_used: nn, queue_max: nn".

I installed SG 2.1.36 and that line shows 1 and 2 resp. It must be a
problem of the driver. I'm gonna buy a new SCSI card as soon as i have
some money to spare. Do you know any websites in the EU that sell cheap
ones ?

Thanks

-- 
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(_  | | | |_) |\/\  Ricardo Ferreira
__) | |_| | \ |   \ Mail: storm@atdot.org
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