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From: Jeff King <peff@peff.net>
To: Jim Meyering <jim@meyering.net>
Cc: git list <git@vger.kernel.org>
Subject: Re: "git clone --depth=2 git://git.sv.gnu.org/gnulib" hangs
Date: Tue, 26 Apr 2011 03:59:17 -0400	[thread overview]
Message-ID: <20110426075917.GA26874@sigill.intra.peff.net> (raw)
In-Reply-To: <87aafedqjp.fsf@rho.meyering.net>

On Mon, Apr 25, 2011 at 10:28:10PM +0200, Jim Meyering wrote:

> We've had a report that this command is hanging:
> 
>     git clone --depth=2 git://git.sv.gnu.org/gnulib

It might be related to this deadlock which impacts upload-pack on a
server with pthreads serving a shallow clone:

  http://thread.gmane.org/gmane.comp.version-control.git/170789

Unfortunately the fix I posted is not yet in any released version of
git. It is in the current 'next'.

> It appears to be something specific to the gnulib repository,
> since I can do a shallow clone of e.g., this one just fine:
> 
>     git://git.savannah.gnu.org/parallel.git

It's a race condition on filling up a rev-list buffer, so certain repos
may be more prone to triggering the race than others.

-Peff

  parent reply	other threads:[~2011-04-26  7:59 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-04-25 20:28 "git clone --depth=2 git://git.sv.gnu.org/gnulib" hangs Jim Meyering
2011-04-25 21:16 ` Andreas Schwab
2011-04-26  7:59 ` Jeff King [this message]
2011-04-26 16:02   ` Jim Meyering

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