pythonocc-core
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20 hours ago •
tpaviot
tpaviot
Segmentation fault at init_display
Hi PythonOCC team,
Wonderful python interface for OpenCASCADE! It does help me a lot.
I run PythonOCC at an old machine and everything works fine.
However, when I moved to a new machine. I meet segmentation fault every time I call function init_display.
The output looks like this.
/home/mwj/DeepCAD_pointnet_test/proj_log/newDeepCAD/results
qt-pyqt5 backend - Qt version 5.9.6
####### 3D rendering pipe initialisation #####
Display3d class initialization starting ...
Aspect_DisplayConnection created.
OpenGl_GraphicDriver created.
V3d_Viewer created.
AIS_InteractiveContext created.
V3d_View created
段错误 (核心已转储)
(The last line is just segmentation fault (core dumped) in Chinese)
I tried to locate the error and found that it happened at line 196 in SimpleGUI.py, or to say the following line in function init_display.
win.show()
I tried some other qt programs in the same virtual environment, they all work fine.
My computer only has an RTX 3090 graphics card and uses 510.39.01 as its grahics card driver. Its OS is ubuntu 20.04.
Any idea helps. A million thanks!
P.S.
The result of conda list is shown as follows.
# Name Version Build Channel
_libgcc_mutex 0.1 main defaults
_openmp_mutex 4.5 1_gnu defaults
absl-py 0.15.0 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
aiohttp 3.8.1 py37h7f8727e_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
aiosignal 1.2.0 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
antlr-python-runtime 4.8 py37hc8dfbb8_2 conda-forge
async-timeout 4.0.1 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
asynctest 0.13.0 py_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
attrs 21.2.0 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
blas 1.0 mkl defaults
blinker 1.4 py37h06a4308_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
bottleneck 1.3.2 py37heb32a55_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
brotli 1.0.9 he6710b0_2 defaults
brotlipy 0.7.0 py37h27cfd23_1003 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
bzip2 1.0.8 h7b6447c_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
c-ares 1.17.1 h7f98852_1 conda-forge
ca-certificates 2021.10.26 h06a4308_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
cached-property 1.5.2 py_0 defaults
cachetools 4.2.2 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
cairo 1.16.0 hf32fb01_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
certifi 2021.10.8 py37h06a4308_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
cffi 1.14.6 py37h400218f_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
charset-normalizer 2.0.4 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
click 8.0.3 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
cryptography 3.4.8 py37hd23ed53_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
cudatoolkit 11.3.1 h2bc3f7f_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
curl 7.78.0 hea6ffbf_0 conda-forge
cycler 0.11.0 pyhd3eb1b0_0 defaults
cython 0.29.25 py37hdbfa776_0 defaults
daal 2020.3 ha770c72_304 conda-forge
daal4py 2020.3.1 py37hba267e2_0 conda-forge
dataclasses 0.8 pyh6d0b6a4_7 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
dbus 1.13.18 hb2f20db_0 defaults
double-conversion 3.1.5 h9c3ff4c_2 conda-forge
eigen 3.3.9 h4bd325d_1 conda-forge
einops 0.4.0 pyhd8ed1ab_0 conda-forge
expat 2.4.1 h2531618_2 defaults
ffmpeg 4.3.2 hca11adc_0 conda-forge
font-ttf-dejavu-sans-mono 2.37 hab24e00_0 conda-forge
font-ttf-inconsolata 3.000 h77eed37_0 conda-forge
font-ttf-source-code-pro 2.038 h77eed37_0 conda-forge
font-ttf-ubuntu 0.83 hab24e00_0 conda-forge
fontconfig 2.13.1 h6c09931_0 defaults
fonts-conda-ecosystem 1 0 conda-forge
fonts-conda-forge 1 0 conda-forge
fonttools 4.25.0 pyhd3eb1b0_0 defaults
freeimage 3.18.0 h88c329d_7 conda-forge
freetype 2.11.0 h70c0345_0 defaults
fribidi 1.0.10 h7b6447c_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
frozenlist 1.2.0 py37h7f8727e_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
fsspec 2022.1.0 pyhd8ed1ab_0 conda-forge
future 0.18.2 py37h89c1867_4 conda-forge
gettext 0.21.0 hf68c758_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
giflib 5.2.1 h7b6447c_0 defaults
gl2ps 1.4.2 h0708190_0 conda-forge
glew 2.1.0 h9c3ff4c_2 conda-forge
glib 2.69.1 h5202010_0 defaults
gmp 6.2.1 h2531618_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
gnutls 3.6.15 he1e5248_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
google-auth 1.33.0 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
google-auth-oauthlib 0.4.1 py_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
graphite2 1.3.14 h23475e2_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
grpcio 1.42.0 py37hce63b2e_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
gst-plugins-base 1.14.0 h8213a91_2 defaults
gstreamer 1.14.0 h28cd5cc_2 defaults
h5py 3.6.0 py37ha0f2276_0 defaults
harfbuzz 2.8.1 h6f93f22_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
hdf4 4.2.15 h10796ff_3 conda-forge
hdf5 1.10.6 nompi_h7c3c948_1111 conda-forge
hydra-core 1.1.1 pyhd8ed1ab_0 conda-forge
icu 58.2 he6710b0_3 defaults
idna 3.3 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
ilmbase 2.5.5 h780b84a_0 conda-forge
importlib-metadata 4.8.2 py37h06a4308_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
importlib_resources 5.4.0 pyhd8ed1ab_0 conda-forge
intel-openmp 2021.4.0 h06a4308_3561 defaults
joblib 1.1.0 pyhd3eb1b0_0 defaults
jpeg 9d h7f8727e_0 defaults
jsoncpp 1.9.4 h4bd325d_3 conda-forge
jxrlib 1.1 h7f98852_2 conda-forge
kiwisolver 1.3.1 py37h2531618_0 defaults
krb5 1.19.2 hcc1bbae_0 conda-forge
lame 3.100 h7b6447c_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
lcms2 2.12 h3be6417_0 defaults
ld_impl_linux-64 2.35.1 h7274673_9 defaults
libcurl 7.78.0 h2574ce0_0 conda-forge
libedit 3.1.20210910 h7f8727e_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
libev 4.33 h516909a_1 conda-forge
libffi 3.3 he6710b0_2 defaults
libgcc-ng 9.3.0 h5101ec6_17 defaults
libgfortran-ng 7.5.0 ha8ba4b0_17 defaults
libgfortran4 7.5.0 ha8ba4b0_17 defaults
libglu 9.0.0 he1b5a44_1001 conda-forge
libgomp 9.3.0 h5101ec6_17 defaults
libiconv 1.15 h63c8f33_5 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
libidn2 2.3.2 h7f8727e_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
libnetcdf 4.8.0 nompi_hcd642e3_103 conda-forge
libnghttp2 1.43.0 h812cca2_0 conda-forge
libogg 1.3.4 h7f98852_1 conda-forge
libpng 1.6.37 hbc83047_0 defaults
libprotobuf 3.19.1 h4ff587b_0 defaults
libraw 0.20.2 h10796ff_1 conda-forge
libssh2 1.9.0 ha56f1ee_6 conda-forge
libstdcxx-ng 9.3.0 hd4cf53a_17 defaults
libtasn1 4.16.0 h27cfd23_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
libtheora 1.1.1 h7f98852_1005 conda-forge
libtiff 4.2.0 h85742a9_0 defaults
libunistring 0.9.10 h27cfd23_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
libuuid 1.0.3 h7f8727e_2 defaults
libuv 1.40.0 h7b6447c_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
libvorbis 1.3.7 h9c3ff4c_0 conda-forge
libwebp 1.2.0 h89dd481_0 defaults
libwebp-base 1.2.0 h27cfd23_0 defaults
libxcb 1.14 h7b6447c_0 defaults
libxml2 2.9.12 h03d6c58_0 defaults
libzip 1.8.0 h4de3113_0 conda-forge
lmdb 0.9.29 h2531618_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
loguru 0.5.3 py37h89c1867_3 conda-forge
lz4-c 1.9.3 h295c915_1 defaults
markdown 3.3.4 py37h06a4308_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
matplotlib 3.5.0 py37h06a4308_0 defaults
matplotlib-base 3.5.0 py37h3ed280b_0 defaults
mkl 2021.4.0 h06a4308_640 defaults
mkl-service 2.4.0 py37h7f8727e_0 defaults
mkl_fft 1.3.1 py37hd3c417c_0 defaults
mkl_random 1.2.2 py37h51133e4_0 defaults
mpi 1.0 mpich defaults
mpich 3.3.2 hc856adb_0 defaults
msgpack-numpy 0.4.7.1 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
msgpack-python 1.0.2 py37hff7bd54_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
multidict 5.2.0 py37h7f8727e_2 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
munkres 1.1.4 py_0 defaults
ncurses 6.3 h7f8727e_2 defaults
nettle 3.7.3 hbbd107a_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
numexpr 2.8.1 py37h6abb31d_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
numpy 1.21.2 py37h20f2e39_0 defaults
numpy-base 1.21.2 py37h79a1101_0 defaults
oauthlib 3.1.1 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
occt 7.5.1 h7391655_2 conda-forge
olefile 0.46 py37_0 defaults
omegaconf 2.1.1 py37h89c1867_1 conda-forge
openexr 2.5.5 hf817b99_0 conda-forge
openh264 2.1.1 h4ff587b_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
openjpeg 2.4.0 hb52868f_1 conda-forge
openssl 1.1.1m h7f8727e_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
packaging 21.3 pyhd3eb1b0_0 defaults
pandas 1.3.4 py37h8c16a72_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
pango 1.45.3 hd140c19_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
pcre 8.45 h295c915_0 defaults
pillow 8.4.0 py37h5aabda8_0 defaults
pip 21.2.2 py37h06a4308_0 defaults
pixman 0.40.0 h7f8727e_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
plyfile 0.7.4 pyhd8ed1ab_0 conda-forge
pointnet2 3.0.0 pypi_0 pypi
pointnet2-ops 3.0.0 pypi_0 pypi
proj 7.2.0 h277dcde_2 conda-forge
protobuf 3.19.1 py37h295c915_0 defaults
pugixml 1.11.4 h9c3ff4c_0 conda-forge
pyasn1 0.4.8 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
pyasn1-modules 0.2.8 pypi_0 pypi
pycparser 2.21 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
pydeprecate 0.3.1 pypi_0 pypi
pyjwt 2.1.0 py37h06a4308_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
pyopenssl 21.0.0 pyhd3eb1b0_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
pyparsing 3.0.4 pyhd3eb1b0_0 defaults
pyqt 5.9.2 py37h05f1152_2 defaults
pysocks 1.7.1 py37_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
python 3.7.11 h12debd9_0 defaults
python-dateutil 2.8.2 pyhd3eb1b0_0 defaults
python-lmdb 0.99 py37hcd2ae1e_0 conda-forge
python_abi 3.7 2_cp37m conda-forge
pythonocc-core 7.5.1 py37h39293ed_0 conda-forge
pytorch 1.10.1 py3.7_cuda11.3_cudnn8.2.0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch
pytorch-lightning 1.5.9 pyhd8ed1ab_0 conda-forge
pytorch-mutex 1.0 cuda https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch
pytz 2021.3 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
pyyaml 5.4.1 py37h5e8e339_0 conda-forge
qt 5.9.7 h5867ecd_1 defaults
rapidjson 1.1.0 he1b5a44_1002 conda-forge
readline 8.1.2 h7f8727e_1 defaults
requests 2.27.1 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
requests-oauthlib 1.3.0 py_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
rsa 4.7.2 pyhd3eb1b0_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
scikit-learn 1.0.2 py37h51133e4_0 defaults
scikit-learn-intelex 2021.2.1 py37h89c1867_1 conda-forge
scipy 1.7.3 py37hc147768_0 defaults
setuptools 59.5.0 pypi_0 pypi
sip 4.19.8 py37hf484d3e_0 defaults
six 1.16.0 pyhd3eb1b0_0 defaults
sqlite 3.37.0 hc218d9a_0 defaults
tbb 2020.2 h4bd325d_4 conda-forge
tbb-devel 2020.2 h4bd325d_4 conda-forge
tensorboard 2.6.0 py_1 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
tensorboard-data-server 0.6.0 py37hca6d32c_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
tensorboard-plugin-wit 1.6.0 py_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
tensorboardx 2.2 pyhd3eb1b0_0 defaults
threadpoolctl 2.2.0 pyh0d69192_0 defaults
tk 8.6.11 h1ccaba5_0 defaults
torchaudio 0.10.1 py37_cu113 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch
torchmetrics 0.7.0 pyhd8ed1ab_0 conda-forge
torchvision 0.11.2 py37_cu113 https://mirrors.tuna.tsinghua.edu.cn/anaconda/cloud/pytorch
tornado 6.1 py37h27cfd23_0 defaults
tqdm 4.62.3 pyhd3eb1b0_1 defaults
trimesh 3.9.39 pyh6c4a22f_0 conda-forge
typing-extensions 3.10.0.2 hd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
typing_extensions 3.10.0.2 pyh06a4308_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
urllib3 1.26.8 pypi_0 pypi
utfcpp 3.2.1 ha770c72_0 conda-forge
vtk 9.0.1 no_osmesa_py37h111716f_107 conda-forge
werkzeug 2.0.2 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
wheel 0.37.1 pypi_0 pypi
wxpython 4.0.4 py37hc99224d_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
x264 1!161.3030 h7f98852_1 conda-forge
xorg-kbproto 1.0.7 h7f98852_1002 conda-forge
xorg-libice 1.0.10 h7f98852_0 conda-forge
xorg-libsm 1.2.2 h470a237_5 conda-forge
xorg-libx11 1.7.2 h7f98852_0 conda-forge
xorg-libxext 1.3.4 h7f98852_1 conda-forge
xorg-libxt 1.2.1 h7f98852_2 conda-forge
xorg-xextproto 7.3.0 h7f98852_1002 conda-forge
xorg-xproto 7.0.31 h7f98852_1007 conda-forge
xz 5.2.5 h7b6447c_0 defaults
yaml 0.2.5 h516909a_0 conda-forge
yarl 1.6.3 py37h27cfd23_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
zipp 3.7.0 pyhd3eb1b0_0 https://mirrors.tuna.tsinghua.edu.cn/anaconda/pkgs/main
zlib 1.2.11 h7f8727e_4 defaults
zstd 1.4.9 haebb681_0 defaults
Can you run your program using software rendering (i.e. mesa) instead of hardware-accelerated opengl? According to https://docs.mesa3d.org/envvars.html you can enforce use of software rendering by setting env var LIBGL_ALWAYS_SOFTWARE
export LIBGL_ALWAYS_SOFTWARE = true
If your program then runs without segfault, the issue might be caused by an issue of the graphics driver.
Well, unfortunately this doesn't help.
export LIBGL_ALWAYS_SOFTWARE = true
I've also noticed that the faulty machine may have detected a faulty version of qt as shown below.
/home/mwj/DeepCAD_pointnet_test/proj_log/newDeepCAD/results
qt-pyqt5 backend - Qt version 5.9.6
####### 3D rendering pipe initialisation #####
...
while my qt version in the virtual environment is 5.9.7. What seems more weird is that I did not find any qt with version 5.9.6 in this machine.
I don't have any idea about what's going on. Is qt version mismatch the reason for this segmentation fault?
Anything helps @cafhach. A million thanks.