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Re: Puzzling Git backtrace




On Wed, Mar 27, 2019 at 6:50 PM Jeff King <peff@xxxxxxxx> wrote:
>
> On Wed, Mar 27, 2019 at 05:49:27PM -0700, Bryan Turner wrote:
>
> > I'm trying to assist a Bitbucket Server customer who is seeing some
> > "git-upload-pack" processes "hang" on their server.
> >
> > While investigating, we had them connect gdb to their processes (which
> > are 2.10.0 built from source using a simple unzip-and-run-make
> > approach) and get the backtraces for them. The output that they're
> > seeing makes no sense to me, though, so I'm throwing this out to the
> > list just to see if anyone has any idea how the processes could end up
> > like this.
>
> upload-pack didn't become a builtin until v2.18, so...
>
> > When they attached to 32433 and printed its backtrace, though, things
> > go a little sideways:
> >
> > (gdb) attach 32433
> > Attaching to program: /usr/bin/git, process 32433
>
> The debugger needs to be using git-upload-pack as its executable, not
> "git".

Derp. Of course. Sorry, clearly it's been too long since I used C in anger!

Thanks for taking the time to point out what should have been obvious,
and for doing it so kindly!

Bryan