[sane-devel] HP ScanJet IIcx /T --- any hope?

[Peter Kirchgessner]

Hi,

abel deuring schrieb:
> Moritz Angermann wrote:
> 
>> o.k. i changed the scsi kernel driver from aic7xxx to aic7xxx_old
>> and did 2 'trys' the first one sane.log.bz2 is with the still active
>> dumb-read option, the secound one withought.
> 

in both cases it failed during receiving image data. Configuring the 
scanner was ok. In one case one block of 32KB was received. In the other 
case it failed immediately after the scan has started.

> 
> Viewed from the sanei_scsi viewpoint, this looks better; now we get at 
> least the SCSI status CHECK CONDITION back from the scanner:
> 
> [sanei_scsi] sense buffer: f0 00 06 00 00 00 00 00 00 00 00 00 00 00 00 00
> [sanei_scsi] target status: 02 host status: 0000 driver status: 0018
> [hp] do_read: Error from scsi_req_wait: Error during device I/O
> 

 From the viewpoint of the backend it must stop here, because 
sanei_scsi_req_wait() returned an Error during device I/O.
And I am not familiar with the stuff that is below the backend.

--Peter

> driver status 18 means "sense data available; suggest retry", so nothing 
> serious. (28, which also appears elsewhere, mean "sense data available; 
> suggest abort" -- I have idea, why the Linux SCSI system returns 
> different status codes...)
> 
> The sense key value 6 (byte 2/bits 0..3 of the sense buffer) mean "unit 
> attention", and the SCSI2-draft explains this as "Indicates that the 
> removable medium may have been changed or the target has been reset."
> 
> So nothing really serious, but I do not have the docs for HP scanners 
> available...
> 
> Abel
> 
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-- 
Peter Kirchgessner
http://www.kirchgessner.net
mailto:peter at kirchgessner.net