Matlab crashes on forward

[szagoruyko]

on R2014a Ubuntu 14.04 recent master branch crashes in mex on matcaffe_demo. matcaffe_init works well. I have no idea how to debug it.

I use LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libfreetype.so.6 /usr/local/MATLAB/R2014a/bin/matlab to run MATLAB. And I also tried to switch all MATLAB internal libs to system in LD_PRELOAD, got the same crash.

[rbgirshick]

I tried to reproduce this problem using Ubuntu 14.04 LTS, CUDA 5.5, Intel MKL, the latest Caffe master (commit b80fc86), and g++-4.6, but haven't had success. matcaffe_demo.m runs without crashing, also I didn't find it necessary to use any LD_PRELOADs. (My LD_LIBRARY_PATH is set to /opt/intel/mkl/lib/intel64:/opt/local/lib:/usr/local/cuda-5.5/lib64.)

Can you provide more details?
-- Which g++ version did you use to compile Caffe and matcaffe?
-- Which CUDA version are you using?
-- Are you using GPU or CPU mode? If CPU mode, which blas backend are you using? (atlas, openblas, mkl)
-- Please run matlab from the terminal and include the entire terminal output for a session where you: (1) start matlab, (2) run matcaffe_demo, and (3) observe the crash output.

It's good practice to include this type of information when reporting crashes since it's difficult to debug/reproduce otherwise.

[sguada]

When you say matcaffe_init works well means does it mean that you
cafffe('is_initialized') == 1

On Thursday, July 17, 2014, Ross Girshick notifications@github.com wrote:

I tried to reproduce this problem using Ubuntu 14.04 LTS, CUDA 5.5, Intel
MKL, the latest Caffe master (commit b80fc86
b80fc86), and g++-4.6, but haven't
had success. matcaffe_demo.m runs without crashing, also I didn't find it
necessary to use any LD_PRELOADs. (My LD_LIBRARY_PATH is set to
/opt/intel/mkl/lib/intel64:/opt/local/lib:/usr/local/cuda-5.5/lib64.)

Can you provide more details?
-- Which g++ version did you use to compile Caffe and matcaffe?
-- Which CUDA version are you using?
-- Are you using GPU or CPU mode? If CPU mode, which blas backend are you
using? (atlas, openblas, mkl)
-- Please run matlab from the terminal and include the entire terminal
output for a session where you: (1) start matlab, (2) run matcaffe_demo,
and (3) observe the crash output.

It's good practice to include this type of information when reporting
crashes since it's difficult to debug/reproduce otherwise.

—
Reply to this email directly or view it on GitHub
#657 (comment).

Sergio

[szagoruyko]

@sguada @rbgirshick
I've found the problem, I edited imagenet deploy proto file. Sorry!
I guess there should be a check for input dimensions consistency, it's not good that it crashes silently.

[shelhamer]

Closing, but noted input dimensions check suggestion in #501.