Tomas Pospisek <[email protected]> wrote:

Hi,

> When looking at the log, the difference seems to be that both
> "Preview" and the ``immediate'' "Scan" have an event flow like this:
[...]
> Notice the "Setting of the non-blocking mode" changing it's place in
> the event sequence order.

The log is not synchronized between the threads/processes, so that
doesn't actually mean much.

There were 2 "fixes" made to the pixma backend for pthread builds before
1.0.21, so maybe that should be looked into:
 13641ac5b3e50f275da6bf39ede59da55edfae93
 eb66f734baa42619ece201d94852247788215a35

Alternatively, you could try a build of sane-backends without pthread
and see if that build works better.

JB.

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 Julien BLACHE - Debian & GNU/Linux Developer - <[email protected]> 
 
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