[ ruby-Bugs-3683 ] rails segfaults at 2nd load with eval.c: No such file or directory.

Bugs item #3683, was opened at 2006-02-28 10:33
You can respond by visiting: 
http://rubyforge.org/tracker/?func=detail&atid=1698&aid=3683&group_id=426

Category: Core
Group: None
Status: Open
Resolution: None
Priority: 3
Submitted By: Payton Swick (brillig)
Assigned to: Nobody (None)
Summary: rails segfaults at 2nd load with eval.c: No such file or directory.

Initial Comment:
When running a rails app using webrick or mongrel, I can load any given page
(involving a controller) once, and any subsequent page loads trigger a
"Segmentation fault".

This problem is very new, and has only started occurring since I last updated
my Gentoo linux system.  The bug was submitted to Gentoo, but they believe it to be a ruby issue:

http://bugs.gentoo.org/show_bug.cgi?id=123718

I did try recompiling ruby and reinstalling the rails gem (as well as
activerecord, actionpack, actionmailer, actionwebservice, activesupport). I use
ruby and rubygems from portage, but I use rails and associated packages from
gems.  I'm using ruby-1.8.4-r1 and rubygems-0.8.11.  (I have also tried rubygems-0.8.11-r3, rubygems-0.8.11-r4, and ruby-1.8.4.20060226).  I was loading ruby-mysql, but I have since disabled activerecord, and there has been no change in the problem.

Here's my test case:

$ rails testing
$ cd testing
$ ruby ./script/server
# webrick starts
$ wget http://localhost:3000/
# This works fine, no matter how many times it loads the HTML.
$ wget http://localhost:3000/test
# ERROR 404: Not Found.
$ wget http://localhost:3000/test
# ERROR 404: Not Found.
$ wget http://localhost:3000/test
# ERROR 500: Internal Server Error.
$ wget http://localhost:3000/test
# No data received.
# At this point, webrick has segfaulted.

The beginning of the segfault, with debug symbols enabled, looks like this:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 2768)]
rb_eval (self=7907598, n=0xb75ae860) at eval.c:2879
2879    eval.c: No such file or directory.
        in eval.c

A full backtrace is available on the gentoo bug report.

-Payton



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