Re: Built Git 2.27.0 from sources on macOS Catalina fails on "make profile"

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On Wed, Jul 01, 2020 at 03:17:05PM +0200, Fabio Frumento wrote:

> now I'm struggling during the ```make profile``` step
> [...]
> I'm a little surprised as presumed, since 2.27.0 is an official
> release, all the tests should pass without any issue.

They generally do (not just for releases but for every commit that hits
master). However, we've sometimes seen weird test failures from "make
profile" (which in my experience isn't all that well maintained).

That said, "make profile" passes for me on v2.27.0, on Linux.  It's
possible that a test is racy (the profiler often slows things down,
exacerbating races), but I can't seem to get t0410 to fail with our
usual stress-test to find races.

If you don't care about profile-optimized builds, then I'd suggest
skipping "make profile".

If you want to look further into the test failure, probably it would
help to re-run the test with more verbose settings. E.g.:

  [wait for this to fail, which would leave the problematic version of
   git in the build directory]
  $ make profile
  $ cd t
  $ ./t0410-partial-clone.sh -v -i -x

then we could see what's failing.

> How to file a bug to the Git developers?

I think you just did.

-Peff



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