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  • #21074
Closed (moved) (moved)
Open
Created Dec 24, 2016 by cypherpunks@cypherpunks

setrlimit fails OSX Sierra

User reported on Tor Stack Exchange that Tor Browser under their Sierra install was failing.

It seems to be caused by a failed call to "setrlimit"

Dec 21 23:52:00.089 [notice] Tor 0.2.9.6-rc (git-a3e07633a45d5c16) running on Darwin with Libevent 2.0.22-stable, OpenSSL 1.0.2j and Zlib 1.2.8.
Dec 21 23:52:00.090 [notice] Tor can't help you if you use it wrong! Learn how to be safe at https://www.torproject.org/download/download#warning
Dec 21 23:52:00.091 [notice] Read configuration file "/Applications/TorBrowser.app/Contents/Resources/TorBrowser/Tor/torrc-defaults".
Dec 21 23:52:00.092 [notice] Read configuration file "/Users/leomozoloa/Library/Application Support/TorBrowser-Data/Tor/torrc".
Dec 21 23:52:00.106 [warn] Couldn't set maximum number of file descriptors: Invalid argument
Dec 21 23:52:00.106 [warn] Failed to parse/validate config: Problem with ConnLimit value. See logs for details.
Dec 21 23:52:00.106 [err] Reading config failed--see warnings above.

Note that the user was using the alpha but also gets the same result using the stable 6.0.8 release.

I also noted that there have been issues with OSX and setrlimit before: https://gitweb.torproject.org/tor.git/tree/src/common/compat.c?h=release-0.2.8#n1742

      /* On some platforms, OPEN_MAX is the real limit, and getrlimit() is
       * full of nasty lies.  I'm looking at you, OSX 10.5.... */

The original stack exchange ticket can be seen here: https://tor.stackexchange.com/questions/13466/tor-unexpectedly-exited-cant-launch-tor-browser-at-all-anymore-for-no-apparent?noredirect=1#comment14480_13466

I'm willing to ask the user for more information if required and a stackexchange login with 50+ rep isn't available.

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