Description of problem: This problem occurred while slicing a moderately complex 3d object for printing. I had just selected 3D Cross type infill when this problem occurred during subsequent slicing using those parameters. Version-Release number of selected component: 1:CuraEngine-3.6.0-3.fc29 Additional info: reporter: libreport-2.10.0 backtrace_rating: 4 cmdline: /usr/bin/CuraEngine connect 127.0.0.1:49674 crash_function: std::__replacement_assert executable: /usr/bin/CuraEngine journald_cursor: s=ef5f25b211034a0090a162d47eab7c8c;i=33c2e;b=672f65f5fcba4d279be60dc9f308147c;m=a306184c2;t=585fd57366f1d;x=a1a8e875bbf03309 kernel: 5.0.5-200.fc29.x86_64 rootdir: / runlevel: N 5 type: CCpp uid: 1000
Created attachment 1553335 [details] File: backtrace
Created attachment 1553336 [details] File: cgroup
Created attachment 1553337 [details] File: core_backtrace
Created attachment 1553338 [details] File: cpuinfo
Created attachment 1553339 [details] File: dso_list
Created attachment 1553340 [details] File: environ
Created attachment 1553341 [details] File: limits
Created attachment 1553342 [details] File: maps
Created attachment 1553343 [details] File: mountinfo
Created attachment 1553344 [details] File: open_fds
Created attachment 1553345 [details] File: proc_pid_status
Can you reproduce this again? If so, can you share you files and configs?
Never could reproduce this bug, and it has completely disappeared as of the latest version.