On Mon, Sep 23, 2024 at 10:47:08AM +0000, Krishna Vivek Vitta wrote:

We've seen multiple reports of git repositories failing to clone / getting
corrupted in p9 file system. The mount points under this file system are
marked for FANOTIFY to intercept file system events

When we remove the marking on these mount points, git clone succeeds.

Following is the error message:

[...]

fatal: unknown error occurred while reading the configuration files

Any reason why it is failing?

[...]

Are you able to build Git from the source?

As you can see in config.c, the error is reported in repo_read_config in the
case the function config_with_options, it calls, fails. Since it's not
expected to fail - except for some weird reasons, - you're probably dealing
with such a reason, and so you'd probably need to debug it yourself because I
hardly beleive it's easily possible for someone else to recreate your specific
setup. The debugging might be a simple "printf-style" one - that is, navigate
the call chain of these configuration-reading functions, stick calls to
printf() in places where some nested function returns a value indicating an
error exit, build, run, and see which of these printf() calls pinpoints the
failure. You will probably trace this to call to some C-library I/O function.