[issue1979] hg incoming, outgoing, and pull to remote repo hang python and peg CPU

[Kevin Gessner]

New submission from Kevin Gessner <kevin at kevingessner.com>:

Vitals:
Mercurial 1.4.1+20091201 (no extensions)
Mac OS X 10.6.2
Python 2.6.1

I have a clone of the first 100 revisions of a remote repository with > 6000 revisions 
(i.e. hg clone -r 100 ...). Running hg incoming, outgoing, or pull causes python to work 
for a while, then hang, using 100% of both my CPUs, and filling my system log with:

/usr/bin/python[2945]    dnssd_clientstub deliver_request: socketpair failed 24 (Too many 
open files)

until I kill it. Running lsof against python (output attached) reveals lots of sockets 
sitting at CLOSE_WAIT. Expected behavior: no hang, proper output.

----------
files: lsof.log
messages: 11419
nosy: kevingessner
priority: bug
status: unread
title: hg incoming, outgoing, and pull to remote repo hang python and peg CPU

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