example3.py crash - Ubuntu 16.04 python 3.

xkunglu commented 6 years ago

Hi Wenzel. thanks for the project, its awesome.

I've only scratched the surface but i noticed that example3.py crashes in a conda env running python 3.6.5, Ubuntu 16.04 nvidia driver 387.26. It aint a blocking issue for me but I thought you ought to know. Stack included: _ i tried it on a nother machine with clean conda env on python 3.6.nvidia driver 390. and i get the same issue. FYI

~/work/gits/UI/nanogui/python$ python example3.py GLib-GIO-Message: 09:10:42.548: Using the 'memory' Launching detached mainloop longjmp causes uninitialized stack ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7fecb7b1c7 /lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0 /lib/x86_64-linux-gnu/libc.so.6(+0x11905d)[0x7fecb7bbe /lib/x86_64-linux-gnu/libc.so.6(longjmp_chk+0x /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36 /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36 /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36 /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36 /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s /home/z/miniconda3/envs/abc/bin/../lib/libpython3.6m.s python(main+0x16c)[0x400bbc] /lib/x86_64-linux-gnu/libc.so.6(libc_start_ma python[0x400c7d] ======= Memory map: ======== 00400000-00401000 r-xp 00000000 08:01 7999211 00601000-00602000 rw-p 00001000 08:01 7999211 011ea000-01c7b000 rw-p 00000000 00:00 0 404ae000-404b0000 r-xs 00000000 08:01 13763294 40af9000-40b9a000 rw-p 00000000 00:00 0 7fec5d239000-7fec5d23d000 ---p 00000000 00:00 0 7fec5d23d000-7fec6123d000 rwxp 00000000 00:00 0 7fec6123d000-7fec612bd000 rw-s 00000000 00:06 538 7fec612bd000-7fec6133d000 rw-s 00000000 00:06 538 7fec6133d000-7fec613bd000 rw-s 00000000 00:06 538 7fec613bd000-7fec614bd000 rw-s 00000000 00:06 538 7fec614bd000-7fec614dd000 rw-s 00000000 00:06 539 7fec614dd000-7fec6151d000 rw-s 00000000 00:06 538 7fec6151d000-7fec6153d000 rw-s 00000000 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/usr/lib/nvidia-387/libGL.so.1.0.0 /home/z/work/gits/UI/nanogui/libnanogui.so /home/z/work/gits/UI/nanogui/libnanogui.so /home/z/work/gits/UI/nanogui/libnanogui.so /home/z/work/gits/UI/nanogui/libnanogui.so /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so /home/z/miniconda3/envs/abc/lib/python3.6/lib-dynload/_heapq.cpython-36m-x86_64-linux-gnu.so /home/z/miniconda3/envs/abc/lib/python3.6/lib-dynload/_heapq.cpython-36m-x86_64-linux-gnu.so /home/z/miniconda3/envs/abc/lib/python3.6/lib-dynload/_heapq.cpython-36m-x86_64-linux-gnu.so /usr/lib/locale/locale-archive /lib/x86_64-linux-gnu/libc-2.23.so /lib/x86_64-linux-gnu/libc-2.23.so /lib/x86_64-linux-gnu/libc-2.23.so /lib/x86_64-linux-gnu/libc-2.23.so /lib/x86_64-linux-gnu/libm-2.23.so /lib/x86_64-linux-gnu/libm-2.23.so /lib/x86_64-linux-gnu/libm-2.23.so /lib/x86_64-linux-gnu/libm-2.23.so /lib/x86_64-linux-gnu/librt-2.23.so /lib/x86_64-linux-gnu/librt-2.23.so /lib/x86_64-linux-gnu/librt-2.23.so /lib/x86_64-linux-gnu/librt-2.23.so /lib/x86_64-linux-gnu/libutil-2.23.so /lib/x86_64-linux-gnu/libutil-2.23.so /lib/x86_64-linux-gnu/libutil-2.23.so /lib/x86_64-linux-gnu/libutil-2.23.so /lib/x86_64-linux-gnu/libdl-2.23.so /lib/x86_64-linux-gnu/libdl-2.23.soAborted (core dumped)

svenevs commented 6 years ago

Interesting. So the other examples work fine? If so it seems related to the detaching specifically.

I wonder, if you update pybind11 locally for NanoGUI do you get the same result?

$ cd /path/to/nanogui/ext/pybind11
$ git pull
remote: Counting objects: 156, done.
remote: Compressing objects: 100% (17/17), done.
remote: Total 156 (delta 85), reused 102 (delta 84), pack-reused 52
Receiving objects: 100% (156/156), 108.43 KiB | 1.55 MiB/s, done.
Resolving deltas: 100% (101/101), completed with 43 local objects.
From https://github.com/pybind/pybind11
   2d0507d..f5f6618  master     -> origin/master
   f117a48..ed07e49  v2.2       -> origin/v2.2
 * [new tag]         v2.2.3     -> v2.2.3
You are not currently on a branch.
Please specify which branch you want to merge with.
See git-pull(1) for details.

    git pull <remote> <branch>

# try the new release tag, or `master`
$ git checkout v2.2.3
M   tools/clang
Previous HEAD position was e33ef9c v2.0.0 release
HEAD is now at 8edc147 changelog for v2.2.3

Now that pybind11 is updated, maybe this is already fixed?

xkunglu commented 6 years ago

hi svenevs i think you are telling me to pull master - nanogui - as of 5 minutes ago pulled Head - version 2.0 not Master 2.2.3

I checked out Master, built with it and the error persists with example3.py but not with the other examples.

(nanotest) z@zzbox:~/work/gits/UI/nanogui/python$ python example1.py (nanotest) z@zzbox:~/work/gits/UI/nanogui/python$ python example2.py (nanotest) z@zzbox:~/work/gits/UI/nanogui/python$ python example3.py Launching detached mainloop longjmp causes uninitialized stack frame : python terminated ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x777e5)[0x7f0da58847e5] /lib/x86_64-linux-gnu/libc.so.6(__fortify_fail+0x5c)[0x7f0da592615c] /lib/x86_64-linux-gnu/libc.so.6(+0x11905d)[0x7f0da592605d] /lib/x86_64-linux-gnu/libc.so.6(longjmp_chk+0x29)[0x7f0da5925fb9] /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so(coro_create+0x1e0)[0x7f0da4983d11] /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so(+0x3f1a1)[0x7f0da490e1a1] /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so(+0x3f360)[0x7f0da490e360] /home/z/work/gits/UI/nanogui/python/nanogui.cpython-36m-x86_64-linux-gnu.so(+0x2f920)[0x7f0da48fe920] python(_PyCFunction_FastCallDict+0x154)[0x555697314894] python(_PyCFunction_FastCallKeywords+0x54)[0x5556973432e4] python(+0x19e17c)[0x5556973a417c] python(_PyEval_EvalFrameDefault+0x10b8)[0x5556973c7968] python(PyEval_EvalCodeEx+0x329)[0x55569739ed39] python(PyEval_EvalCode+0x1c)[0x55569739fadc] python(+0x214be4)[0x55569741abe4] python(PyRun_FileExFlags+0xa1)[0x55569741afe1] python(PyRun_SimpleFileExFlags+0x1c4)[0x55569741b1e4] python(Py_Main+0x5ff)[0x55569741ecbf] python(main+0xee)[0x5556972e5dbe] /lib/x86_64-linux-gnu/libc.so.6(libc_start_main+0xf0)[0x7f0da582d830] python(+0x1c75eb)[0x5556973cd5eb] ======= Memory map: ======== 40203000-40205000 r-xs 00000000 08:01 13774192 /tmp/.gl3KPGfj (deleted) ...

svenevs commented 6 years ago

Almost, but not quite.

nanogui/
    ext/
        pybind11/

When you do git clone --recursive https://github.com/wjakob/nanogui.git, there are some extra things cloned as well (including pybind11). You need to update pybind11, not nanogui. So that's why you need to do cd nanogui/ext/pybind11 before doing git pull, because pybind11 is actually its own repository.

Full disclosure this may not fix anything, but since it has been a while since the pybind11 repo has been updated for NanoGUI, chances are good that this bug may already be solved.

xkunglu commented 6 years ago

I understand, even if I may not have expressed myself well.

I checked out pybind11 master ( nanogui pulls head) . /ext/pybind11/pybind11/_version.py now reads version_info = (2, 3, 'dev0') where it used to read version_info = (2, 0, 0) after which i did cmake and make error is still there.

xkunglu commented 6 years ago

Just for kicks I cloned on a mac running OS 10.13.2 MacOS works fine.

svenevs commented 6 years ago

Damn, I was really hopeful it would be an easy fix. So unfortunately this may be very hard for you to fix and/or find in Ubuntu with conda. The file the bindings take place in is python/main.cpp. You may get further progress if you put some std::cout << "made it here" << std::endl << std::flush littered throughout the binding of

https://github.com/wjakob/nanogui/blob/885e4fccc69bbfdd4c527009eef8ed33641d9765/python/main.cpp#L122

From searching online, it seems that the specific issue here is likely related to the setting / usage of the signal handlers. Focusing on the MainloopHandle creation in the event of detaching is the name of the game.

gmagno commented 5 years ago

Hey, sadly I am also hitting this issue...

Here's a Dockerfile to reproduce the issue:

FROM nvidia/opengl:1.0-glvnd-runtime-ubuntu16.04

WORKDIR /app
RUN apt-get update && \
    apt-get -y --no-install-recommends install \
        libglu1-mesa-dev \
        ca-certificates \
        build-essential \
        python3-numpy \
        python3-dev \
        libx11-dev \
        xorg-dev \
        cmake \
        git

# build nanogui
RUN git clone --recursive https://github.com/wjakob/nanogui.git
WORKDIR /app/nanogui/build/
RUN cmake ..
RUN make -j4

ENV PYTHONPATH=/app/nanogui/build/python

CMD ["python3", "../python/example3.py"]

Which can be built with:

docker build -f Dockerfile -t nanogui-issue .

And run with:

xhost +si:localuser:root\
&& docker run \
    --rm \
    -e DISPLAY \
    -v /tmp/.X11-unix:/tmp/.X11-unix \
    --device=/dev/input/ \
    --runtime=nvidia -ti \
    nanogui-issue \
&& xhost -si:localuser:root

gmagno commented 5 years ago

Not sure what was causing the issue, but it seems to be fixed now, at least for me. Not sure if this #371 fixed it.

svenevs commented 5 years ago

Interesting. I don't believe that PR would have had an impact. I wonder, were you using a newer version of cmake? The python finding stuff improved dramatically in newer cmake releases. Perhaps the original anaconda issue ended up with mixed system python libs and anaconda libs?

gmagno commented 5 years ago

Okay, apologies for the confusion, but I can't reproduce the issue on my system, but I still can reproduce it with the container. All the other examples run impeccably well.

I wonder, were you using a newer version of cmake?

I just tried building nanogui (inside the container) with cmake 3.13.4 but example3.py still crashes.

Perhaps the original anaconda issue ended up with mixed system python libs and anaconda libs?

I am not sure, I don't use anaconda at all, I only use pip.

Sail128 commented 5 years ago

I am also experiencing a crash of the third python example. It fails at the mainloop(detach). It gives the following error: GLFW error 65544: WGL: Failed to make context current

gmagno commented 5 years ago

I managed to reproduce the terminated by signal SIGSEGV (Address boundary error) error on my system again (running my app, not the example3!). And I can avoid it by sleeping a couple of seconds time.sleep(2) between nanogui.init() and nanogui.mainloop(detach=...).

ghost commented 3 years ago

On ubuntu 18.04 also crashes. I rebuild all with the latest "coro" sources from http://cvs.schmorp.de/libcoro/ and the problem went away.

wjakob commented 3 years ago

Does it also happen on the newer version of NanoGUI? (https://github.com/mitsuba-renderer/nanogui)

ghost commented 3 years ago

Yes, I took the latest version from the repository. OS info: 5.4.0-74-generic #83~18.04.1-Ubuntu SMP Tue May 11 16:01:00 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux

wjakob commented 3 years ago

Right, but you are reporting the issue at wjakob/nanogui, which is a deprecated/unmaintained version of NanoGUI. Could you kindly check if this issue occurs with the newer codebase that at mitsuba-renderer/nanogui (HTTP link https://github.com/mitsuba-renderer/nanogui).

ghost commented 3 years ago

Ok. I'm open issue in https://github.com/mitsuba-renderer/nanogui

wjakob / nanogui

example3.py crash - Ubuntu 16.04 python 3. #335