add workaround for multithreaded segfault
MODIFY
ci/install-bionic.sh
ci/install-bionic.sh
@@ -96,7 +96,9 @@ BUILD_FLAGS="
-D WITH_VTK=ON
-D WITH_WEBP=ON
-D WITH_XIMEA=OFF
- -D WITH_XINE=OFF"
+ -D WITH_XINE=OFF
+ -D OPENCV_ENABLE_MEMALIGN=OFF
+ "
if [[ "$OPENCV_VERSION" == "3.2.0" ]]; then
sudo apt -y install libopencv-dev=3.2.0*

add workaround for multithreaded segfault

https://github.com/opencv/opencv/issues/15691