Hi Taylor, Thanks for the swift reply. > On Apr 13, 2020, at 18:00, Taylor Blau <me@xxxxxxxxxxxx> wrote: > I doubt that this is important (for a reason that I'll point out below), > but it looks like your invocation here is malformed with the trailing > pipe character. > > Did you mean to redirect the output of rm away? If so, '2>&1 >/dev/null' > will do what you want. It was an emailing mistake. I meant to write > rm /tmp/git_trace.sock || true So that the command is reproducible on repeated run. I must have deleted the remaining part by mistake. > Odd. From my memory, trace2 will give up trying to connect to the socket > (disabling itself and optionally printing a warning) if 'socket(2)' or > 'connect(2)' set the error bit. My guess above is that you don't have a > listening socket (because your shell is waiting for you to close the > '|'), so there's no connection to be made. There is definitely connection still, as I can still receive more events after interupting the stuck git command by Ctrl-C. > Odd. What version of Git are you using? Your description makes it > sound like it may be a bug, so I'd be curious to hear Jeff's > interpretation of things, too. 2.26.0 built from Master git/git For more info, I have created a paste to demonstrate the bug https://gist.github.com/sluongng/e14563e4ce3cc9545781ecd5a95169f6 In which, I run `git pull origin` and `git version` on a relatively stale https://gitlab.com/gitlab-org/gitlab.git local copy. You can get more information from the trace in that paste. I have annotated the moment which the stuck happened with `It stucks HERE` phrase so look for it. Cheers, Son Luong.