Folks,
A couple of weeks ago I posted to the list about a problem I
was having on a NetBSD 1.5 machine running coda and emacs. Emacs
would lock up when accessing files on the coda volume - perhaps not
right away (depending on what had happened to the file before) but
eventually it would.
After much debugging of emacs, tracing and head scratching I think I
have found out WHAT is happening but not WHY. I think there is a race
between emacs' SIGIO handler and the event loop in emacs, coda seems to
introduce _just_ the wrong amount of delay to make emacs lose this
race. My work around for the moment is to disable the SIGIO handling
by putting "#undef SIGIO" at the bottom of the emacs config.h file and
recompile emacs. By doing this I have had emacs survive a couple of
train commutes hacking files on my coda volume so I think this is a
valid work around.
Just thought I would share this just in case someone else has the same
problem :-)
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Brett Lymn, Computer Systems Administrator, BAE SYSTEMS
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