[Buildbot-devel] Network access problems on OS X 10.5 buildslave

C. E. Ball ceball at gmail.com
Fri Mar 28 04:31:01 UTC 2008

On Fri, Mar 28, 2008 at 2:55 AM, john gale <john at smadness.com> wrote:
>  On Mar 27, 2008, at 4:38 AM, C. E. Ball wrote:
>  > Commands that require no network access work without any problems. I
>  > am puzzled; has anyone else had a problem like this? Can anyone
>  > suggest what I can try to solve this problem?
>  You're running into one of the issues with launchd and "security
>  sessions".
>  The gist of it is that when you start the command over ssh, you're
>  starting it in the "user session".  Once you log out of ssh, launchd
>  notices that this user session has been terminated and essentially
>  shuts down that user session.  This starts causing certain actions to
>  fail, especially those that require other aspects of the user session.

Thank you for that explanation!

>  You can work around this somewhat by using "nohup" in front of the
>  "buildbot start" command, which should try to keep it alive past
>  logging out of ssh.

You're right, that works.

>  But I would strongly recommend you start looking into a launchd plist
>  to run your buildbot command.  There's an example plist on http://buildbot.net/trac/wiki/UsingLaunchd

I'm sorry I didn't notice that page myself (even though it's linked
from the buildbot homepage) - thanks for pointing it out. And thanks
to BahamutZERO and smadness (guess that's you, John) for authoring it.

Thanks for your help.


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