1
工作環境時：分段錯誤嘗試使用任何CUDA功能
- 的Ubuntu 14.04與股票開發。工具（CMake的3.4.3，GCC 4.8.4 ..）
- OpenCV的3.1.0
- CUDA 7.5
OpenCV的建立，並與下面的cmake配置和所有 「正常」 的功能，安裝工程構建OK由cmake的報告預計
cmake -D CMAKE_BUILD_TYPE=DEBUG -D CMAKE_INSTALL_PREFIX=/usr/local -D WITH_CUDA=ON -D ENABLE_FAST_MATH=1 -D CUDA_FAST_MATH=1 -D WITH_CUBLAS=1 -D OPENCV_EXTRA_MODULES_PATH=../../opencv_contrib-3.1.0/modules -D PYTHON_INCLUDE_DIR=$(python-config --prefix)/include/python2.7 -D BUILD_TESTS=OFF -D BUILD_PERF_TESTS=OFF -D BUILD_DOCS=OFF -D BUILD_EXAMPLES=ON ..
的OpenCV配置：
-- General configuration for OpenCV 3.1.0 =====================================
-- Version control: d097d6d
--
-- Platform:
-- Host: Linux 4.2.0-27-generic x86_64
-- CMake: 3.4.3
-- CMake generator: Unix Makefiles
-- CMake build tool: /usr/bin/make
-- Configuration: DEBUG
--
-- C/C++:
-- Built as dynamic libs?: YES
-- C++ Compiler: /usr/bin/c++ (ver 4.8.4)
-- C++ flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffast-math -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -O3 -DNDEBUG -DNDEBUG
-- C++ flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wundef -Winit-self -Wpointer-arith -Wshadow -Wsign-promo -Wno-narrowing -Wno-delete-non-virtual-dtor -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffast-math -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -fvisibility-inlines-hidden -g -O0 -DDEBUG -D_DEBUG
-- C Compiler: /usr/bin/cc
-- C flags (Release): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffast-math -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -O3 -DNDEBUG -DNDEBUG
-- C flags (Debug): -fsigned-char -W -Wall -Werror=return-type -Werror=non-virtual-dtor -Werror=address -Werror=sequence-point -Wformat -Werror=format-security -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes -Wundef -Winit-self -Wpointer-arith -Wshadow -Wno-narrowing -fdiagnostics-show-option -Wno-long-long -pthread -fomit-frame-pointer -ffast-math -msse -msse2 -mno-avx -msse3 -mno-ssse3 -mno-sse4.1 -mno-sse4.2 -ffunction-sections -fvisibility=hidden -g -O0 -DDEBUG -D_DEBUG
-- Linker flags (Release):
-- Linker flags (Debug):
-- Precompiled headers: YES
-- Extra dependencies: /usr/lib/x86_64-linux-gnu/libpng.so /usr/lib/x86_64-linux-gnu/libz.so /usr/lib/x86_64-linux-gnu/libtiff.so /usr/lib/x86_64-linux-gnu/libjasper.so /usr/lib/x86_64-linux-gnu/libjpeg.so gtk-x11-2.0 gdk-x11-2.0 atk-1.0 gio-2.0 pangoft2-1.0 pangocairo-1.0 gdk_pixbuf-2.0 cairo pango-1.0 fontconfig gobject-2.0 freetype gthread-2.0 glib-2.0 dc1394 v4l1 v4l2 avcodec avformat avutil swscale dl m pthread rt cudart nppc nppi npps cublas cufft -L/usr/local/cuda/lib64
-- 3rdparty dependencies: libwebp IlmImf libprotobuf
--
-- OpenCV modules:
-- To be built: cudev core cudaarithm flann imgproc ml reg surface_matching video cudabgsegm cudafilters cudaimgproc cudawarping dnn fuzzy imgcodecs photo shape videoio cudacodec highgui objdetect plot xobjdetect xphoto bgsegm bioinspired dpm face features2d line_descriptor saliency text calib3d ccalib cudafeatures2d cudalegacy cudaobjdetect cudaoptflow cudastereo datasets rgbd stereo structured_light superres tracking videostab xfeatures2d ximgproc aruco optflow stitching python2
-- Disabled: world contrib_world
-- Disabled by dependency: -
-- Unavailable: java python3 ts viz cvv hdf matlab sfm
--
-- GUI:
-- QT: NO
-- GTK+ 2.x: YES (ver 2.24.23)
-- GThread : YES (ver 2.40.2)
-- GtkGlExt: NO
-- OpenGL support: NO
-- VTK support: NO
--
-- Media I/O:
-- ZLib: /usr/lib/x86_64-linux-gnu/libz.so (ver 1.2.8)
-- JPEG: /usr/lib/x86_64-linux-gnu/libjpeg.so (ver)
-- WEBP: build (ver 0.3.1)
-- PNG: /usr/lib/x86_64-linux-gnu/libpng.so (ver 1.2.50)
-- TIFF: /usr/lib/x86_64-linux-gnu/libtiff.so (ver 42 - 4.0.3)
-- JPEG 2000: /usr/lib/x86_64-linux-gnu/libjasper.so (ver 1.900.1)
-- OpenEXR: build (ver 1.7.1)
-- GDAL: NO
--
-- Video I/O:
-- DC1394 1.x: NO
-- DC1394 2.x: YES (ver 2.2.1)
-- FFMPEG: YES
-- codec: YES (ver 54.35.0)
-- format: YES (ver 54.20.4)
-- util: YES (ver 52.3.0)
-- swscale: YES (ver 2.1.1)
-- resample: NO
-- gentoo-style: YES
-- GStreamer: NO
-- OpenNI: NO
-- OpenNI PrimeSensor Modules: NO
-- OpenNI2: NO
-- PvAPI: NO
-- GigEVisionSDK: NO
-- UniCap: NO
-- UniCap ucil: NO
-- V4L/V4L2: Using libv4l1 (ver 1.0.1)/libv4l2 (ver 1.0.1)
-- XIMEA: NO
-- Xine: NO
-- gPhoto2: NO
--
-- Parallel framework: pthreads
--
-- Other third-party libraries:
-- Use IPP: 9.0.1 [9.0.1]
-- at: /home/developer/projects/opencv/3rdparty/ippicv/unpack/ippicv_lnx
-- Use IPP Async: NO
-- Use VA: NO
-- Use Intel VA-API/OpenCL: NO
-- Use Eigen: NO
-- Use Cuda: YES (ver 7.5)
-- Use OpenCL: YES
-- Use custom HAL: NO
--
-- NVIDIA CUDA
-- Use CUFFT: YES
-- Use CUBLAS: YES
-- USE NVCUVID: NO
-- NVIDIA GPU arch: 20 21 30 35
-- NVIDIA PTX archs: 30
-- Use fast math: YES
--
-- OpenCL:
-- Version: dynamic
-- Include path: /home/developer/projects/opencv/3rdparty/include/opencl/1.2
-- Use AMDFFT: NO
-- Use AMDBLAS: NO
--
-- Python 2:
-- Interpreter: /usr/bin/python2.7 (ver 2.7.6)
-- Libraries: /usr/lib/x86_64-linux-gnu/libpython2.7.so (ver 2.7.6)
-- numpy: /usr/lib/python2.7/dist-packages/numpy/core/include (ver 1.8.2)
-- packages path: lib/python2.7/dist-packages
--
-- Python 3:
-- Interpreter: /usr/bin/python3.4 (ver 3.4.3)
--
-- Python (for build): /usr/bin/python2.7
--
-- Java:
-- ant: NO
-- JNI: NO
-- Java wrappers: NO
-- Java tests: NO
--
-- Matlab: Matlab not found or implicitly disabled
--
-- Tests and samples:
-- Tests: NO
-- Performance tests: NO
-- C/C++ Examples: YES
--
-- Install path: /usr/local
--
-- cvconfig.h is in: /home/developer/projects/opencv/build
-- -----------------------------------------------------------------
但是任何嘗試調用opencv gpu加速CUDA功能導致分段錯誤。 samples/gpu中的示例項目都不會正常運行。看起來，在初始函數調用中，不重要的CUDA函數seg fault是錯誤的，但是觀察到一些微不足道的CUDA函數，例如getCudaEnabledDeviceCount（）和printShortCudaDeviceInfo（）確實會執行OK並返回合理的數據，但是隨後的opencv調用（不一定是CUDA功能）將隨後發生故障。
我已經嘗試建立並運行一些來自/usr/local/cuda-7.5/samples（1_utilities/deviceQuery，1_utilities/bandwithTest）的CUDA庫樣本，他們似乎很好。
簡單的程序，表現出的問題：
生成文件
CFLAGS = `pkg-config --cflags opencv`
LIBS = `pkg-config --libs opencv`
fail : fail.cpp
g++ $(CFLAGS) $< $(LIBS) -o [email protected]
fail.cpp
#include "opencv2/cvconfig.h"
#include "opencv2/core.hpp"
#include "opencv2/cudaarithm.hpp"
using namespace std;
using namespace cv;
using namespace cv::cuda;
int main(int argc, const char* argv[])
{
int i = getCudaEnabledDeviceCount();
Mat src(1000, 1000, CV_32F);
Mat dst;
printf("got to here #1\n");
cv::transpose(src, dst);
printf("got to here #2\n");
return 0;
}
程序輸出：
got to here #1
Segmentation fault (core dumped)
註釋掉getCudaEnabledDeviceCount（）聲明，並按預期運行完成。
排序的氣味像OpenCV的和CUDA庫或類似的東西之間的調用約定不匹配，但是想到這應該「只是工作」 ...
[編輯]
與核心轉儲啓用得到以下調用堆棧在gdb ...
[email protected]:~/projects/temp/opencv_CUDA$ gdb -c core -e fail
GNU gdb (Ubuntu 7.7.1-0ubuntu5~14.04.2) 7.7.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word".
warning: exec file is newer than core file.
[New LWP 28690]
[New LWP 28691]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `./fail'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:66
66 ../nptl/pthread_mutex_lock.c: No such file or directory.
(gdb) bt
#0 __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:66
#1 0x00007f9e85782008 in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#2 0x00007f9e85836671 in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#3 0x00007f9e858367e5 in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#4 0x00007f9e85787cb4 in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#5 0x00007f9e857894e7 in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#6 0x00007f9e8575cc66 in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#7 0x00007f9e8565bf3d in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#8 0x00007f9e8565bed8 in ??() from /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1
#9 0x00007f9e85fe2022 in ??() from /usr/local/cuda/lib64/libOpenCL.so
#10 0x00007f9e85fe3d42 in ??() from /usr/local/cuda/lib64/libOpenCL.so
#11 0x00007f9e85fe34d0 in clGetPlatformIDs() from /usr/local/cuda/lib64/libOpenCL.so
#12 0x00007f9e895cea83 in (anonymous namespace)::opencl_fn3<58, int, unsigned int, _cl_platform_id**, unsigned int*>::switch_fn (p1=0, p2=0x0,
p3=0x7ffe56410aac) at /home/developer/projects/opencv/modules/core/src/opencl/runtime/autogenerated/opencl_core_impl.hpp:127
#13 0x00007f9e8965c452 in cv::ocl::haveOpenCL() at /home/developer/projects/opencv/modules/core/src/ocl.cpp:1466
#14 0x00007f9e8965c4af in cv::ocl::useOpenCL() at /home/developer/projects/opencv/modules/core/src/ocl.cpp:1487
#15 0x00007f9e896a6962 in cv::transpose (_src=..., _dst=...) at /home/developer/projects/opencv/modules/core/src/matrix.cpp:3235
#16 0x0000000000400f3c in ??()
#17 0x00007ffe56410e88 in ??()
#18 0x0000000156410df8 in ??()
#19 0x00007ffe56410dd0 in ??()
#20 0x000000018a755d48 in ??()
#21 0x0000000001010000 in ??()
#22 0x00007ffe56410cd0 in ??()
#23 0x0000000000000000 in ??()