[Qgis-developer] Possible bug when turning edit mode off and on "too often"

Matthias Kuhn matthias.kuhn at gmx.ch
Fri Mar 21 09:51:51 PDT 2014

Hi Zoltan,

Please have a look at the following likely related issue:

Try to start QGIS with --noplugins and see if that helps. If yes, 
upgrade your plugins and if this doesn't help you can use the issue 
linked above to find the affected plugin and file a bug for it.


On Fre 21 Mär 2014 16:27:55 CET, Zoltan Szecsei wrote:
> Hi Devers,
> Using 2.2 on Win 7 64 - but this was also evident in 2.01 on the same
> platform.
> I'm dealing with a number of shapefiles (2 point layers, 9 line layers
> and 18 area shape file layers) - the total number of geometry elements
> is not high (probably less <1000),  but there are still a reasonable
> number of vertices in the mapset.
> I find that after toggling edit mode a few times (may even less than
> 10), the time to save the layer edits increases to "minutes", and so
> does the time taken to toggle edit mode.
> Last year November I was running around on a field trip with a laptop
> running QGIS 2.0.1 in the car all day, and occasionally it hung, so we
> rebooted and redid our most recent edits. I'll bet that that was the
> same issue as below.
> Last week, now using v2.2 on my desktop I found that the above slowing
> down scenario started, and I just left the PC supposedly with a
> "hanging " QGIS. I came back much later and QGIS was responsive again
> until I touched the toggle edit button, or saved my edits.
> I timed it and it took an hour and 5 minutes to be responsive again.
> The same thing is happening right now, but it is currently only going
> dizzy for about 3-4 minutes.
> I'm going to try restarting QGIS to see if that helps, if not then
> I'll re-boot and if it still does not help then that would suggest
> that the issue is with the data structure and not necessarily
> somewhere else.
> But for now, has anyone else had these "slowing down" issues?
> Regards & chat soon,
> Zoltan

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