[Qgis-developer] Possible memory leak in rendering code

[Minoru Akagi]

Hi,

I found some memory leaks and attached a patch to ticket #6795.

Regards,
Minoru Akagi

2013/4/22 Matthias Kuhn <matthias.kuhn at gmx.ch>:
> Hi Alex,
>
> I found in the past particularly two things making the rendering more
> stable:
> * Disable Render Cache
> * Enable Backbuffer (only availale in X11/Linux)
>
> Can you check if one of these two changes in the options fix this issue?
> (Restart after changing)
>
> Cheers,
> Matthias
>
> On Mon 22 Apr 2013 10:50:29 CEST, Alexander Bruy wrote:
>> Hi all,
>>
>> working on QTiles plugin we found one odd issue — when number of
>> canvas redraws is relatively big (around 200 000 - 300 000) QGIS
>> crashed with segmentation fault. Seems there is a memory leak
>> somewhere.
>>
>> I'll try to debug this more, but as I'm  not very familiar with rendering code any help and suggestions are welcome. Small test
>> plugin to replicate this issue attached. Also it is possible to use
>> QTiles plugin for this: just set extent and zoom levels so number of
>> tiles is greater that 200 000 and start process. QGIS will crash
>> at 60-70%.
>>
>>
>>
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>
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