[sane-devel] Hangs after scan completes with Plustek backend on OS/2

Gerhard Jaeger gerhard at gjaeger.de
Mon Jul 25 11:23:57 UTC 2005

Hi Paul,

On Sunday 24 July 2005 13:19, Paul Smedley wrote:
> Hi All,
> Wondering if anyone has any ideas on what could be causing hangs after a 
> scan completes with Plustek-backend USB scanners on OS/2.
> This is the only backend experiencing this kind of hangs.


> A sample log is at http://smedley.info/plustekdebug.zip (460k compressed).

Nothing special to see in there.

> I see it locally with a Canon LiDE20, and also have reports of hangs 
> with Epson Perfection 1250/1260 - the difference being that with the 
> Canon I always get the hang, the Epson's seem to only hang randomly...
> Only clue to a potential problem I can see is that a bunch of .raw files 
> get left behind in the same directory as scanimage is run from.

The .raw files will be created when SANE_DEBUG_PLUSTEK is set to values >= 25.
So you might want to set SANE_DEBUG_PLUSTEK=19 for further tests.

There might be problems with the threading code?


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