Re: [Condor-users] startd hangs when using job hooks

[Matthew Farrellee <matt@xxxxxxxxxx>]

Michael Moore wrote:
> I am trying to implement a set of fetch and prepare hooks. However, when 
> testing the hooks I experience hangs of condor_startd. When startd hangs 
> it quits responding to requests and condor shutdowns. Only a process 
> level kill ends the process.
>
> The host running the hooks is a Windows Vista host running Condor 7.4.1. 
> The prepare hook does take some time to run (on the order of minutes). 
> However, startd does not always hang during the prepare hook. Sometimes 
> startd hangs after the job begins executing, sometimes it doesn't hang 
> at all.
>
> Has anyone else seen similar behavior? Was there a way to work around 
> the problem? Apparently, there was a similar problem in 7.3.2 and prior 
> where a very simple fetch hook would cause startd to hang. I haven't 
> figured out what portion of the hook triggers this behavior, it's very 
> intermittent.
>  
> Thanks,
> Michael Moore

A few issues with hooks on Windows...

http://condor-wiki.cs.wisc.edu/index.cgi/search?s=hook+windows

Specifically...

http://condor-wiki.cs.wisc.edu/index.cgi/tktview?tn=422
http://condor-wiki.cs.wisc.edu/index.cgi/tktview?tn=864

Do either of those sound like your problem?

I believe one of those is related to using Windows on a machine with 
many CPUs -- or at least it is more reproducible there.

Best,


matt