in ?? () from /lib/ld-linux-armhf.so.3的解决办法

在树莓派3代上使用GDB调试ROS程序时,通过在launchfile中加入launch-prefix来启动调试,并在遇到SIGSEGV错误时,通过安装libc6-dbg包解决问题。

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背景:在turtlebot3的树莓派3代上用gdb调试ROS程序,系统为Ubuntu MATE burger 16.04, 架构为armhf。

首先我在我的ros的launch file 里<node           />里加入一行launch-prefix="gdb -ex run --args"来启动gdb调试。

然后启动launch文件。然后在gdb里输入run。遇到这个问题:

Program received signal SIGSEGV, Segmentation fault.

0x76fd9dde in ?? () from /lib/ld-linux-armhf.so.3。

 

解决办法:

另开一个terminal:

$ sudo apt-get install libc6-dbg

:/mnt/hgfs/UbuntuShared/3.4rockx_face_camera_vi$ arm-linux-gnueabihf-gdb ./rockx_face_camera_vi GNU gdb (GNU Toolchain for the A-profile Architecture 8.3-2019.03 (arm-rel-8.36)) 8.2.1.20190227-git Copyright (C) 2018 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 "--host=x86_64-pc-linux-gnu --target=arm-linux-gnueabihf". Type "show configuration" for configuration details. For bug reporting instructions, please see: <https://bugs.linaro.org/>. 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"... Reading symbols from ./rockx_face_camera_vi...done. (gdb) target remote 192.168.100.75:1234 Remote debugging using 192.168.100.75:1234 Reading symbols from /opt/rv1126_rv1109_linux_sdk_v1.8.0_20210224/prebuilts/gcc/linux-x86/arm/gcc-arm-8.3-2019.03-x86_64-arm-linux-gnueabihf/arm-linux-gnueabihf/libc/lib/ld-linux-armhf.so.3...done. 0xa6ed0a00 in _start () from /opt/rv1126_rv1109_linux_sdk_v1.8.0_20210224/prebuilts/gcc/linux-x86/arm/gcc-arm-8.3-2019.03-x86_64-arm-linux-gnueabihf/arm-linux-gnueabihf/libc/lib/ld-linux-armhf.so.3 (gdb) break main Breakpoint 1 at 0x11ddc: file rockx_face_camera_vi.cpp, line 76. (gdb) continue Continuing. warning: Could not load shared library symbols for 47 libraries, e.g. /oem/usr/lib/libeasymedia.so.1. Use the "info sharedlibrary" command to see the complete listing. Do you need "set solib-search-path" or "set sysroot"? warning: Could not load shared library symbols for /usr/lib/libv4l/plugins/libv4l-mplane.so. Do you need "set solib-search-path" or "set sysroot"? [New Thread 1096.1913] Thread 1 "rockx_face_came" hit Breakpoint 1, main (argc=1, argv=0xaeb0ed24) at rockx_face_camera_vi.cpp:76 76 memset(&vi_chn_attr, 0, sizeof(VI_CHN_ATTR_S)); (gdb) next 77 vi_chn_attr.pcVideoNode = CAMERA_PATH; // Path (gdb) 78 vi_chn_attr.u32Width = 1920; // Width (gdb) next 79 vi_chn_attr.u32Height = 1080; // Height (gdb) next 80 vi_chn_attr.enPixFmt = IMAGE_TYPE_NV12; // ImageType (gdb) next 81 vi_chn_attr.enBufType = VI_CHN_BUF_TYPE_MMAP; // BufType (gdb) next 82 vi_chn_attr.u32BufCnt = 3; // Cnt (gdb) next 83 vi_chn_attr.enWorkMode = VI_WORK_MODE_NORMAL; // Mode (gdb) next 84 ret = RK_MPI_VI_SetChnAttr(CAMERA_ID, CAMERA_CHN, &vi_chn_attr); (gdb) next 85 if (ret) (gdb) next 87 printf("Vi Set Attr Failed.....\n"); (gdb) next 88 return 0; (gdb) next 92 printf("Vi Set Attr Success.....\n"); (gdb) next 95 ret = RK_MPI_VI_EnableChn(CAMERA_ID, CAMERA_CHN); (gdb) next [New Thread 1096.2089] [New Thread 1096.2090] 96 if (ret) (gdb) next 99 return 0; (gdb) next 103 printf("Vi Enable Attr Success.....\n"); (gdb) next 107 memset(&venc_chn_attr, 0, sizeof(VENC_CHN_ATTR_S)); (gdb) next 110 venc_chn_attr.stVencAttr.u32VirWidth = 1920; (gdb) next 111 venc_chn_attr.stVencAttr.u32VirHeight = 1080; (gdb) next 112 venc_chn_attr.stVencAttr.imageType = IMAGE_TYPE_NV12; (gdb) next 113 venc_chn_attr.stVencAttr.enType = RK_CODEC_TYPE_H264; (gdb) next [New Thread 1096.2167] 114 venc_chn_attr.stVencAttr.u32Profile = 66; (gdb) next 115 venc_chn_attr.stRcAttr.enRcMode = VENC_RC_MODE_H264CBR; (gdb) next 121 venc_chn_attr.stRcAttr.stH264Cbr.u32SrcFrameRateNum = 25; (gdb) next 122 ret = RK_MPI_VENC_CreateChn(VENC_CHN, &venc_chn_attr); (gdb) next 123 if (ret) (gdb) next 125 printf("ERROR: Create venc failed!\n"); (gdb) next 126 exit(0); (gdb) next 129 ret = RK_MPI_VI_StartStream(CAMERA_ID, CAMERA_CHN); (gdb) next 130 if (ret) (gdb) next 148 cerr<<"pthread create successed...."<<endl; (gdb) next 151 rockx_config_t *face_detect_config = rockx_create_config(); (gdb) next 152 ret=rockx_add_config(face_detect_config, ROCKX_CONFIG_DATA_PATH, "/userdata/rockx_data"); (gdb) next warning: Could not load shared library symbols for 6 libraries, e.g. /usr/lib32/librknn_runtime.so. Use the "info sharedlibrary" command to see the complete listing. Do you need "set solib-search-path" or "set sysroot"? [New Thread 1096.2250] 153 if (ret != ROCKX_RET_SUCCESS) (gdb) next 155 printf("Failed to add config: error code = %d\n", ret); (gdb) next 160 printf("Invalid parameter: check key or value\n"); (gdb) next 161 break; (gdb) next 163 printf("Memory allocation failed\n"); (gdb) next 164 break; (gdb) next 166 printf("类型不匹配 ...\n"); (gdb) next 175 printf("rockx_add_config successfully\n"); (gdb) next 178 rockx_handle_t face_detect_handle=NULL; (gdb) next 181 printf("第一处断点\n"); (gdb) next 183 rockx_module_t face_detect_module = ROCKX_MODULE_FACE_DETECTION_V2; (gdb) next 187 rockx_release_config(face_detect_config); // 释放配置 (gdb) next 188 printf("第三处断点\n"); (gdb) next 189 if (face_detect_ret != ROCKX_RET_SUCCESS) (gdb) next 191 printf("rockx_create face_detect failed...\n"); (gdb) next 192 return -1; (gdb) next 200 rv1126_rockx_image.width = WIDTH; (gdb) next 201 rv1126_rockx_image.height = HEIGHT; (gdb) next 202 rv1126_rockx_image.pixel_format = ROCKX_PIXEL_FORMAT_YUV420SP_NV12; (gdb) next 203 printf("Image params: width=%d, height=%d, format=%d\n", (gdb) next 206 rv1126_rockx_image.pixel_format); (gdb) next 203 printf("Image params: width=%d, height=%d, format=%d\n", (gdb) next 217 mb = RK_MPI_SYS_GetMediaBuffer(RK_ID_VI, CAMERA_CHN, -1); (gdb) next 218 if (!mb) (gdb) next 220 printf("Get Vi Stream break....\n"); (gdb) next 297 RK_MPI_VENC_DestroyChn(VENC_CHN); (gdb) next 298 RK_MPI_VI_DisableChn(CAMERA_ID, CAMERA_CHN); (gdb) next cv::String::String (this=0xaeb0ebe8, s=0x11cc3f "") at ./arm_opencv_source/include/opencv2/core/cvstd.hpp:599 599 if (!s) return; (gdb) next 601 if (!len) return; (gdb) next 603 } (gdb) next cv::String::~String (this=0xa2170b1c <__GI__IO_file_jumps>, __in_chrg=<optimized out>) at ./arm_opencv_source/include/opencv2/core/cvstd.hpp:646 646 String::~String() (gdb) next cv::String::~String (this=0x0, __in_chrg=<optimized out>) at ./arm_opencv_source/include/opencv2/core/cvstd.hpp:648 648 deallocate(); (gdb) next 649 } (gdb) next cv::String::operator= (this=0xa2170b1c <__GI__IO_file_jumps>, str=...) at ./arm_opencv_source/include/opencv2/core/cvstd.hpp:653 653 { (gdb)
06-19
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