DevTools failed to link network resource to filesystem.
Platform: <Linux/Win/Mac>
Chrome version: chanary Version 63.0.3236.0 (Official Build) canary (64-bit)
editing a local html file with javascript.  if a file is mapped to a network resource so that I can edit the file (the root html page i fetch in browser), all break points are lost when I do a refresh.

Strange thing is: this only happens some days. For a month it worked. A month ago there was some days that it did not work. Today suddenly it is not working: I can't set break points and refresh - if the source is linked to a (network/filesystem) resource

I see reports of this in the internet specifically with os x.

What are the details of your project?
- Source code (if any): http://github.com/example/example
- Build System: gulp/grunt/webpack/rollup/...
- HTTP server: node HTTP/nginx/apache...

Assets failed to link (or incorrectly linked):
1.
2.
3.

If possible, please attach a screenshot of network sources navigator which should
show which resources failed to map