Javier,
Hopefully https://github.com/OSGeo/gdal/pull/4347 should solve that
Even
Le 26/08/2021 à 18:45, Javier Jimenez Shaw a écrit :
Hi
Some times (unfortunately it is not reproducible every time) we got a
crash when we cancel the overview generation.
I tried to reproduce it in my Ubuntu 20.04, but couldn't. My
colleagues are able to reproduce some times on Mac and Windows.
In C++, with GDAL 3.3.1, calling BuildOverviews("AVERAGE", ...) to
produce embedded overview and calling the cancel callback, it crashes
on overviews.cpp:
~PointerHolder() { CPLFree(ptr); }. (line 3929)
The reason of the crash is : Thread 34: EXC_BAD_ACCESS (code=1,
address=0x1d)
Yes, the debugger says the value of "ptr" is 0x1d... that does not
make so much sense.
the debugger shows this steps on the back trace:
poJob->oDstBufferHolder.reset(new PointerHolder(poJob->pDstBuffer));
(line 4930)
GDALRegenerateOverviewsMultiBand (line 4638)
Before calling to BuildOverviews I am calling
CPLSetConfigOption("GDAL_NUM_THREADS", "ALL_CPUS");
to make it multithreaded.
The image is an RGBA 8bit with JPEG compression.
Is anything wrong there?
Thanks.
.___ ._ ..._ .. . ._. .___ .. __ . _. . __.. ... .... ._ .__
Entre dos pensamientos racionales
hay infinitos pensamientos irracionales.
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