https://bugs.kde.org/show_bug.cgi?id=364417

Matthew <zenomorph....@mypostoffice.co.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|WAITINGFORINFO              |---
             Status|NEEDSINFO                   |REPORTED

--- Comment #3 from Matthew <zenomorph....@mypostoffice.co.uk> ---
Skanlite still has problems on Fedora 29, as it did under 24, 25, 26, 27, 27.

However on Fedora 29 it does not seem to crash so often, I can however get it
to loose the scanner if I close Skanlite and immediately try to re-open it.  I
then get a message that no scanner can be foumd.  
This can however be solved by closing Skanlite again, then re-opening Skanlite
after a pause of a few seconds.

Though the application no longer seems to crash as before, there is still a
problem with doing multiple scans in one session with Skanlite. 

Once a Preview and then a full scan has been carried out, a subsequent attempt
to do a preview (or a full scan), results in a distorted lighting effect on the
resulting image, it looks like half the scan light isn't working.

The only 2 ways I have found to do multiple scans are:-

1/ close the Skanlite application after each scan and restart Skanlite for the
next scan.

2/ After a successful Preview and Full scan has been completed, click the
Lampswitch selection box found under Specific Scanner options tab.

Click on the tick box to remove the tick, then click again to re-tick the box.
Do this Lampswitch selection process twice or three times.
Then Preview and Full scan should again result in a clean image.

On versions of Fedora before 29, the Lampswitch trick was intermittent, it
sometimes didn't work, so Skanlite had to be closed down and restarted, which
if done too quickly, caused Skanlite to crash on re-opening as mentioned in
original report.

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