作者你好，我在最后一步运行时出现 Segmentation fault 问题，我已经将第三方库和主目录下的 -march=native 去掉了，但还是报错，同时我运行了 原有的ORB-SLAM2，发现没有这个问题，用gdb调试后发现错误出现在 g2o部分，虽有已经看到有人提过这个问题了，但自己尝试后依然无法解决，想问下应该怎么解决？

Thread 1 "sg_slam_tum" received signal SIGSEGV, Segmentation fault.
0x00007ffff3a11518 in g2o::EdgeSE3ProjectXYZOnlyPose::linearizeOplus() ()
from /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/Thirdparty/g2o/lib/libg2o.so
(gdb) bt
#0 0x00007ffff3a11518 in g2o::EdgeSE3ProjectXYZOnlyPose::linearizeOplus() ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/Thirdparty/g2o/lib/libg2o.so
#1 0x00007ffff7723088 in g2o::BlockSolver<g2o::BlockSolverTraits<6, 3> >::buildSystem() ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/lib/libsg-slam.so
#2 0x00007ffff3a561c9 in g2o::OptimizationAlgorithmLevenberg::solve(int, bool) ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/Thirdparty/g2o/lib/libg2o.so
#3 0x00007ffff3a4ec3c in g2o::SparseOptimizer::optimize(int, bool) ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/Thirdparty/g2o/lib/libg2o.so
#4 0x00007ffff76fba4d in ORB_SLAM2::Optimizer::PoseOptimization(ORB_SLAM2::Frame*) ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/lib/libsg-slam.so
#5 0x00007ffff76b12ee in ORB_SLAM2::Tracking::TrackReferenceKeyFrame() ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/lib/libsg-slam.so
#6 0x00007ffff76b58c5 in ORB_SLAM2::Tracking::Track() ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/lib/libsg-slam.so
#7 0x00007ffff76b6695 in ORB_SLAM2::Tracking::GrabImageRGBD(cv::Mat const&, cv::Mat const&, double const&) ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/lib/libsg-slam.so
#8 0x00007ffff769e729 in ORB_SLAM2::System::TrackRGBD(cv::Mat const&, cv::Mat const&, double const&) ()
at /home/zhu/SlamProjects/Openloris-Scene/SG-SLAM/src/sg-slam/lib/libsg-slam.so
#9 0x0000555555564747 in main ()