Windows slaves freezing on downloadFile step

Dustin J. Mitchell dustin at
Sun Oct 4 13:54:39 UTC 2015

Are you seeing any tracebacks in the master's twistd.log?


On Wed, Sep 30, 2015 at 1:35 PM, Elliot Saba <staticfloat at> wrote:

> Hello all, I have some Windows Server buildslaves that are freezing on a
> master -> slave file transfer step.  The file itself is only a few KB, so I
> know it's not a network speed issue, and other steps (including slave ->
> master uploads) have been successful.
> You can see the buildmaster webpage here
> <>, but that doesn't
> show too much information, except that (1) the slaves continually timeout
> and restart themselves, and (2) the webpage "interrupt" button doesn't seem
> to work, so the buildslaves just continually restart themselves with no
> apparent way to force them to stop.  twistd.log on one of the slaves shows this
> log <>, which I
> think shows a timeout on the slave side, thinking that the buildmaster is
> frozen.  My question is:
> (1) What's the proper way to clear the queue when the "interrupt" button
> doesn't work?  So far, I'm getting around this by stopping the build
> master, then starting it back up, and canceling the jobs from the "pending"
> queue before the buildslaves can reconnect.
> (2) Why would this download step be freezing?  I've tried turning off the
> windows firewall and that doesn't seem to be the problem.
> If there's more information I need to give, please let me know!
> -E
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