# Re: Problems with CANCEL

Oliver.Rauch@Wolfsburg.DE
Mon, 8 Jun 1998 18:28:37 +0200 (MET DST)

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Hi

> Oliver> Is it possible that it has to do something with
> Oliver> command-queing and the cammand-queue is already full?
>
> I suppose it could be. Does the UMAX backend attempt to send any scsi
> commands during a sane_cancel() call? I thought not.

No, only the reader-process is killed and
the scanning-bit is reset so the next sane_read
calls the routine that makes the scanner aborting the
scan.

But in that routine it does not matter if I call a
reposition-scanner or a wait-scanner command, the scsi-command
always hangs while writing the command-bytes to the device!

Bye
Oliver

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