[#70257] [Ruby trunk - Feature #11420] [Open] Introduce ID key table into MRI — ko1@...

Issue #11420 has been reported by Koichi Sasada.

11 messages 2015/08/06

[ruby-core:70313] [Ruby trunk - Bug #11411] Crash in rb_gc_mark() during Rails app boot with GC.stress=1

From: nagachika00@...
Date: 2015-08-10 16:32:39 UTC
List: ruby-core #70313
Issue #11411 has been updated by Tomoyuki Chikanaga.


The fixes are backported into `ruby_2_2` branch at r51521 (for #11352).

----------------------------------------
Bug #11411: Crash in rb_gc_mark() during Rails app boot with GC.stress=1
https://bugs.ruby-lang.org/issues/11411#change-53735

* Author: Ben Weintraub
* Status: Closed
* Priority: Normal
* Assignee: 
* ruby -v: ruby 2.2.2p95 (2015-04-13 revision 50295) [x86_64-darwin14]
* Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN, 2.2: UNKNOWN
----------------------------------------
When booting a newly-initialized Rails 4.2.1 app under Ruby 2.2.2 with `GC.stress` enabled, I get a repeatable crash. The same crash happens at least as far back as 2.1.4 (haven't tried any earlier versions).

Steps to reproduce:

1. gem install rails -v 4.2.1
2. rails new stress
3. cd stress
4. bundle
5. echo 'GC.stress = 1' >config/initializers/000_stress.rb
6. bundle exec rails s

Expected results:
The application should not crash.

Actual results:
The app crashes with a `SIGABRT` and the message seen below.

For convenience, I've attached a tarball of a Rails app built using the above steps that can reproduce this issue.

I'm running on Mac OS X 10.10.4, haven't tried with other OSes.

~~~
$ be rails s
=> Booting WEBrick
=> Rails 4.2.3 application starting in development on http://localhost:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server

/Users/ben/.gem/ruby/2.2.2/gems/rack-1.6.4/lib/rack/mime.rb:55: [BUG] rb_gc_mark(): 0x007f94ebce3c18 is T_NONE

(snip)

Abort trap: 6


---Files--------------------------------
stressapp.tar.gz (12.3 KB)
ruby_2015-08-02-120653_koan.crash (25.1 KB)
bug-11411.log (123 KB)


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