thanks Dan -- I had forgotten that exchange of a month ago.  Using
--jsmath worked very well (and was a lot faster).

John

2009/4/15 Dan Drake <dr...@kaist.edu>:
> On Wed, 15 Apr 2009 at 04:11AM -0700, mabshoff wrote:
>> Hi John,
>>
>> > sage/calculus/calculus Exception occurred:
>> >   File "/home/jec/sage-3.4.1.rc2/local/lib/python2.5/subprocess.py",
>> > line 1003, in _execute_child
>> >     errpipe_read, errpipe_write = os.pipe()
>> > OSError: [Errno 24] Too many open files
>>
>> This has been reported by Florent Hivert before, but so far I have
>> been unable to reproduce it. So it is possibly a local config problem,
>> i.e. check with ulimit regarding the maximum open file handles you are
>> allowed.
>
> I get this all the time (Ubuntu 8.10 64 bit). It was reported before [1]
> and at the time, the best solution offered is to use --jsmath:
>
>  sage -docbuild --jsmath all html
>
> Dan
>
>  1. 
> http://groups.google.com/group/sage-devel/browse_thread/thread/67d4280aabe84ddd/37747bce258ecf47
> --
> ---  Dan Drake <dr...@kaist.edu>
> -----  KAIST Department of Mathematical Sciences
> -------  http://mathsci.kaist.ac.kr/~drake
>
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>

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