[sane-devel] Plustek hangs on OS/2 - part II

[Gerhard Jaeger]

Hi Paul,

On Tuesday 16 August 2005 13:18, Paul Smedley wrote:
> Hi Gerhard!
> 
> Gerhard Jaeger wrote:
> > On Tuesday 09 August 2005 12:27, Paul Smedley wrote:
> >> Oh & I forgot to mention - in the logs that 'beep' there's a return code 
> >> (32772) from usbbulkread that says 'less data than requested returned'. 
> >>   In this case, 1 byte was requested and 0 returned.....  log excerpt 
> >> below shows what the backend does when this occurs.
> >>
> >> [sanei_usb] sanei_usb_read_bulk: rc = 32772
> >> [plustek] UIO error
> >> [plustek] Calibration file-name set to:
> >> [plustek] >E:\tcpipapp\home/.sane/Canon-N670U_N676U_LiDE20.cal<
> >>
> > [SNIPSNAP]
> > 
> > I also got this UIO error sometimes here on my linuxboxes, but they don't
> > seem to disturb. Well in the meantime, I tried to figure out, when this
> > UIO error occurs. In the end it only occurs during power-up of the scanner,
> > directly after pluging it in. So I did some changes to the setup procedure
> > and managed to make these UIO errors disappear on my boxes.
> > 
> > Could you please checkout the latest CVS stuff and test on your OS/2 box?
> 
> Thanks for the tar.gz of the plustek*.*
> 
> Great news - the UIO error is gone - I still get a beep from the PC 
> speaker the first time the device is accessed - however I've not seen 
> any hangs on 10 or so scans - including unplugging/replugging the 
> scanner to try and trigger it.
>

good to hear ;) Well, I think the beep does not disturb and I don't know
where this comes from - probably from OS/2!

What about the scanquality? I got some reports about the LiDE20 producing
stripes within a scanned picture.

Ciao,
Gerhard