# Ruby on Rails, Vista, and Segmentation Faults **URL:** \ **Category:** Ruby\ **Created:** [May 21, 2008, 6:49pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-vista-and-segmentation-faults/138294 "2008-05-21T18:49:32Z")\ **Posts on this page:** 4\ **Page:** 1
**Author:** ![bobf](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/ad7895/32.png) [@bobf](https://www.ruby-forum.com/u/bobf)\ **Post date:** [May 21, 2008, 6:49pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-vista-and-segmentation-faults/138294/1 "2008-05-21T18:49:32Z")
I’ve just switched from Window XP to a new Vista machine and my Rails app is crashing with apparently random segmentation faults – each time seems to be in a different location. Has anyone else had a similar experience and, if so, is there a solution? I’ve spent some time googling around for information but I don’t have a clear picture about ruby support on Vista. Some people are clearly having problems with ruby and vista but others say things are working for them. I’m running ruby 1.8.6, rails 2.0.3, and mysql 5.0. Any help would be greatly appreciated. ---
**Author:** ![bobf](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/ad7895/32.png) [@bobf](https://www.ruby-forum.com/u/bobf)\ **Post date:** [May 21, 2008, 8:46pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-vista-and-segmentation-faults/138294/2 "2008-05-21T20:46:47Z")
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Bob Florian wrote: | I’ve just switched from Window XP to a new Vista machine and my Rails | app is crashing with apparently random segmentation faults – each time | seems to be in a different location. Has anyone else had a similar | experience and, if so, is there a solution? I’ve spent some time | googling around for information but I don’t have a clear picture about | ruby support on Vista. Some people are clearly having problems with | ruby and vista but others say things are working for them. I’m running | ruby 1.8.6, rails 2.0.3, and mysql 5.0. Any help would be greatly | appreciated. Off the top of my head: - - How are you running Ruby/Rails? Administrator (i.e. via ‘Run as…’, or as the higher-privileged-but-not-quite-and-actual-admin admin account)? - - Could you stack trace the segfault? Chances are, it is always at the same location, code-wise, but Vista distributes memory in a randomish-way to make buffer overflows more difficult. - - Is Ruby installed into a directory where only an elevated account has write access (i.e. %windir%\Programs, or something similar)? I’ve had no issue with Ruby installed into %windir%\Ruby on Vista in both RC2 and RTM pre-SP1. * * * Phillip G. Twitter: [twitter.com/cynicalryan](http://twitter.com/cynicalryan) Blog: [http://justarubyist.blogspot.com](http://justarubyist.blogspot.com) ~ “I’m a simple man with complex tastes.” -Calvin -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - [http://enigmail.mozdev.org](http://enigmail.mozdev.org) iEYEARECAAYFAkg0beIACgkQbtAgaoJTgL9HxACeMMBJgOFJkQMG3X5KUTxj6Pe9 +JAAn255sRIcl7w0FnW8wqGgjnJcZE+7 =oicv -----END PGP SIGNATURE----- ---
**Author:** ![bobf](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/ad7895/32.png) [@bobf](https://www.ruby-forum.com/u/bobf)\ **Post date:** [May 21, 2008, 10:42pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-vista-and-segmentation-faults/138294/3 "2008-05-21T22:42:09Z")
Thank you for the suggestions, Phillip. My specific problem appears to have been caused by the json gem, which is the subject of another posting: [http://www.ruby-forum.com/topic/114969](http://www.ruby-forum.com/topic/114969) Swtiching to json\_pure seems to have fixed it. ---
**Author:** ![bobf](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/ad7895/32.png) [@bobf](https://www.ruby-forum.com/u/bobf)\ **Post date:** [May 21, 2008, 10:51pm UTC](https://www.ruby-forum.com/t/ruby-on-rails-vista-and-segmentation-faults/138294/4 "2008-05-21T22:51:42Z")
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Bob Florian wrote: | Thank you for the suggestions, Phillip. My specific problem appears to | have been caused by the json gem, which is the subject of another | posting: | | [Segfault in JSON - windows VISTA - Ruby - Ruby-Forum](http://www.ruby-forum.com/topic/114969) | | Swtiching to json\_pure seems to have fixed it. Then you should log a bug against the JSON gem. * * * Phillip G. Twitter: [twitter.com/cynicalryan](http://twitter.com/cynicalryan) Blog: [http://justarubyist.blogspot.com](http://justarubyist.blogspot.com) Dumb Terminal - doesn’t understand what you’re trying to get it to do. Intelligent Terminal - one that does understand what you’re trying to do, but is clever enough to screw up in an interesting way. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.8 (MingW32) Comment: Using GnuPG with Mozilla - [http://enigmail.mozdev.org](http://enigmail.mozdev.org) iEYEARECAAYFAkg0i04ACgkQbtAgaoJTgL/WOQCfXEJuwEyFinGxpGuHLJiqIBdz WnMAoIfk7ALM6HzwxjGYkGdcNd9nsy2K =+zc1 -----END PGP SIGNATURE-----