Bug #5986

Segmentation Fault

Added by Luis Matta about 2 years ago. Updated over 1 year ago.

[ruby-core:42444]
Status:Closed
Priority:Low
Assignee:Nobuyoshi Nakada
Category:core
Target version:1.9.3
ruby -v:ruby 1.9.3p68 (2012-02-08 revision 34493) [x86_64-linux] Backport:

Description

Simply trying to render the home page of active-admin.

I have tested this on Ubuntu 10.04 LTS 64bits, using rvm ruby 1.9.3-head (with and without "rvm pkg install openssl"), and 1.9.2-head.
The structure: Nginx 1.0.11 (using ppa), RVM, Thin 1.3.1, Rails 3.2.1, ActiveAdmin 0.4, and stuff.
I am using SSL with a custom self-signed Certification Authority.

Thanks
(Since this broke my new production environment I have set it to Urgent - apologies if it is an abuse)

seg_fault.ruby.prod.txt Magnifier (141 KB) Luis Matta, 02/09/2012 04:12 AM

AATest.7z (233 KB) Luis Matta, 02/09/2012 07:43 AM

Associated revisions

Revision 38120
Added by Nobuyoshi Nakada over 1 year ago

io.c: recurse for the argument

  • io.c (rbioputs): recurse for the argument itself, not converted array elements. [Bug #5986]

History

#1 Updated by Yui NARUSE about 2 years ago

  • Status changed from Open to Feedback

Could you make a self-contained small reproducible code?

#2 Updated by Luis Matta about 2 years ago

I can not, no code is running (besides ActiveAdmin Dashboard/Home -- and I have not Customized it), it is my project.
The login screen works, bug after that it crashes.

Maybe a plain ActiveAdmin+Rails3.2.1+Thin+Nginx project would crash, and I will test this.
Also the same code runs perfectly on WebBrick using the same ruby version on the development machines.

Sorry.
(Forgot to mention that I am using a Unix socket to comunicate between Nginx and Thin)

#3 Updated by Yui NARUSE about 2 years ago

  • Priority changed from Urgent to Low

#4 Updated by Luis Matta about 2 years ago

This simple project fails (and I can share its code), and It makes me wonder if the failure is just that Ruby is allowing a stack overflow error cause a segmentation fault:

$ thin -V -D start

Using rack adapter
Thin web server (v1.3.1 codename Triple Espresso)
Debugging ON
Tracing ON
Maximum connections set to 1024
Listening on 0.0.0.0:3000, CTRL+C to stop
GET /admin HTTP/1.1
Host: localhost:3000
Connection: keep-alive
Cache-Control: max-age=0
User-Agent: Mozilla/5.0 (X11; Linux x8664) AppleWebKit/535.7 (KHTML, like Gecko) Chrome/16.0.912.77 Safari/535.7
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
Referer: http://localhost:3000/admin
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8,pt-BR;q=0.6
Accept-Charset: UTF-8,*;q=0.5
Cookie: _AATest
session=BAh7CUkiD3Nlc3Npb25faWQGOgZFRkkiJTk5MDMwYWZmZWE2OTgwNjBmZTVkZTQxNzk1ODQ5MzYyBjsAVEkiEF9jc3JmX3Rva2VuBjsARkkiMTBEZHlTMnduNTM4N3htL2FUMEEwcmUrV2cya2dkVitZMFlPbFFkVS9FM289BjsARkkiH3dhcmRlbi51c2VyLmFkbWluX3VzZXIua2V5BjsAVFsISSIOQWRtaW5Vc2VyBjsARlsGaQZJIiIkMmEkMTAkYm1uNEZFN2p4RG9BN0NSamp1aW1XdQY7AFRJIgpmbGFzaAY7AEZvOiVBY3Rpb25EaXNwYXRjaDo6Rmxhc2g6OkZsYXNoSGFzaAk6CkB1c2VkbzoIU2V0BjoKQGhhc2h7BjoKYWxlcnRUOgxAY2xvc2VkRjoNQGZsYXNoZXN7BjsKSSIfWW91IGFyZSBhbHJlYWR5IHNpZ25lZCBpbi4GOwBUOglAbm93MA%3D%3D--38c24a3f709dec34d314247c336f4132de3a3557

HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
X-UA-Compatible: IE=Edge
ETag: "84b316f2ca5bac58156ce0a5e6d7dc43"
Cache-Control: max-age=0, private, must-revalidate
Set-Cookie: AATestsession=BAh7CEkiD3Nlc3Npb25faWQGOgZFRkkiJTk5MDMwYWZmZWE2OTgwNjBmZTVkZTQxNzk1ODQ5MzYyBjsAVEkiEF9jc3JmX3Rva2VuBjsARkkiMTBEZHlTMnduNTM4N3htL2FUMEEwcmUrV2cya2dkVitZMFlPbFFkVS9FM289BjsARkkiH3dhcmRlbi51c2VyLmFkbWluX3VzZXIua2V5BjsAVFsISSIOQWRtaW5Vc2VyBjsARlsGaQZJIiIkMmEkMTAkYm1uNEZFN2p4RG9BN0NSamp1aW1XdQY7AFQ%3D--bb7255eb79a5aa847599cd80a9c77664ad470fb1; path=/; HttpOnly
X-Request-Id: f51c7312667349ecf82a3460b860edeb
X-Runtime: 0.177047
Connection: close
Server: thin 1.3.1 codename Triple Espresso

!! Unexpected error while processing request: stack level too deep
stack level too deep
/home/levmatta/.rvm/gems/ruby-1.9.3-p0@play1/gems/activeadmin-0.4.0/lib/active_admin/arbre/html/element.rb:148

#5 Updated by Luis Matta about 2 years ago

Yui NARUSE wrote:

Could you make a self-contained small reproducible code?

Is the code I submitted OK? Do you need anything else ?

#6 Updated by Yui NARUSE about 2 years ago

Luis Matta wrote:

Yui NARUSE wrote:

Could you make a self-contained small reproducible code?

Is the code I submitted OK? Do you need anything else ?

I can't reoroduced with following procedure on FreeBSD 9.0:
* wget https://bugs.ruby-lang.org/attachments/2442/AATest.7z
* 7z x AATest.7z
* cd AATest
* rvm install ruby-1.9.3-p0
* gem instal bundler
* bundle install
* thin -V -D start
* bundle install
* Access to /admin/ from web browser

Anyone can reproduce?

#7 Updated by Luis Matta about 2 years ago

Please notice that the login screen works, is the screen just after the login.
Standard User is : admin@example.com
Password: password

#8 Updated by Ygor Eduardo Bersani Pereira about 2 years ago

I have the same problem on Ubuntu 11.10 64bits.
I tested the AATest project and got the same error.

#9 Updated by Yui NARUSE about 2 years ago

Luis Matta wrote:

Please notice that the login screen works, is the screen just after the login.
Standard User is : admin@example.com
Password: password

I succeeded to reproduce with the login.
And I get the bottom of the backtrace of the segv as following.
Frames between 35852 and 35853 is odd because it should have eventcallback on the middle of them.
This is not because of optimization of the compiler, because disas event
callbackwrapper shows
it doesn't call rb
funcall directly.

Anyway I doubt this is Third Party's Issue mainly EventMachine.

#35852 0x00000008009c8b8b in rbfuncall (recv=34493000200, mid=Variable "mid" is not available.
) at vm
eval.c:236
#35853 0x0000000800687f36 in eventcallbackwrapper (a1=Variable "a1" is not available.
) at rubymain.cpp:162

...
#35821 0x00000008009d1e35 in execrecursivei (tag=Variable "tag" is not available.
) at thread.c:3940
#35822 0x00000008009d23ce in execrecursive (func=0x8008ce0e0 <ioputsary>, obj=34410987160,
pairid=0, arg=34391503720, outer=0) at thread.c:3991
#35823 0x00000008008cdeda in rb
ioputs (argc=1, argv=Variable "argv" is not available.
) at io.c:6406
#35824 0x00000008008ce138 in io
putsary (ary=34410987480, out=34391503720, recur=1) at io.c:6363
#35825 0x00000008009d1e35 in exec
recursivei (tag=Variable "tag" is not available.
) at thread.c:3940
#35826 0x00000008009d23ce in exec
recursive (func=0x8008ce0e0 , obj=34410987480,
pairid=0, arg=34391503720, outer=0) at thread.c:3991
#35827 0x00000008008cdeda in rbioputs (argc=1, argv=Variable "argv" is not available.
) at io.c:6406
#35828 0x00000008009c7f73 in vmcall0 (th=0x801c18300, recv=Variable "recv" is not available.
) at vm
eval.c:79
#35829 0x00000008009ba210 in rbfuncall2 (recv=34391503720, mid=6192, argc=1, argv=0x801cf0338)
at vm
eval.c:236
#35830 0x00000008009bc7e2 in vmcallmethod (th=0x801c18300, cfp=0x801def5b0, num=Variable "num" is
not available.
)
at vminsnhelper.c:404
#35831 0x00000008009c2075 in vm
execcore (th=0x801c18300, initial=Variable "initial" is not availab
le.
) at insns.def:1015
#35832 0x00000008009c6b2e in vm
exec (th=0x801c18300) at vm.c:1220
#35833 0x00000008009cb6dd in invokeblockfromc (th=0x801c18300, block=0x82f3f5d80,
self=34493119480, argc=1, argv=Variable "argv" is not available.
) at vm.c:624
#35834 0x00000008009cbc54 in rb
yield (val=34492746840) at vm.c:654
#35835 0x00000008008757bc in rbaryeach (array=Variable "array" is not available.
) at array.c:1478
#35836 0x00000008009bc7e2 in vmcallmethod (th=0x801c18300, cfp=0x801def7c0, num=Variable "num" is
not available.
)
at vminsnhelper.c:404
#35837 0x00000008009c2075 in vm
execcore (th=0x801c18300, initial=Variable "initial" is not availab
le.
) at insns.def:1015
#35838 0x00000008009c6b2e in vm
exec (th=0x801c18300) at vm.c:1220
#35839 0x00000008009c81b2 in vmcall0 (th=0x801c18300, recv=34410946840, id=Variable "id" is not ava
ilable.
) at vm
eval.c:66
#35840 0x00000008009ba210 in rbfuncall2 (recv=34410946840, mid=384, argc=1, argv=0x7fffffff6860)
at vm
eval.c:236
#35841 0x00000008009bc4b3 in vmmethodmissing (th=0x801c18300, id=108558, recv=34410946840, num=Var
iable "num" is not available.
)
at vminsnhelper.c:458
#35842 0x00000008009bc960 in vm
callmethod (th=0x801c18300, cfp=0x0, num=0, blockptr=0x82f3f5d80,
flag=270, id=Variable "id" is not available.
) at vm
insnhelper.c:677
#35843 0x00000008009c2075 in vmexeccore (th=0x801c18300, initial=Variable "initial" is not availab
le.
) at insns.def:1015
#35844 0x00000008009c6b2e in vmexec (th=0x801c18300) at vm.c:1220
#35845 0x00000008009c81b2 in vm
call0 (th=0x801c18300, recv=34410981200, id=Variable "id" is not ava
ilable.
) at vmeval.c:66
#35846 0x00000008009ba210 in rb
funcall2 (recv=34410981200, mid=384, argc=1, argv=0x7fffffff6e10)
at vmeval.c:236
#35847 0x00000008009bc4b3 in vm
methodmissing (th=0x801c18300, id=108558, recv=34410981200, num=Var
iable "num" is not available.
)
at vm
insnhelper.c:458
#35848 0x00000008009bc960 in vmcallmethod (th=0x801c18300, cfp=0x0, num=0, blockptr=0x801def9f8,
flag=0, id=Variable "id" is not available.
) at vminsnhelper.c:677
#35849 0x00000008009c2075 in vm
execcore (th=0x801c18300, initial=Variable "initial" is not availab
le.
) at insns.def:1015
#35850 0x00000008009c6b2e in vm
exec (th=0x801c18300) at vm.c:1220
#35851 0x00000008009c81b2 in vmcall0 (th=0x801c18300, recv=34493000200, id=Variable "id" is not ava
ilable.
) at vm
eval.c:66
#35852 0x00000008009c8b8b in rbfuncall (recv=34493000200, mid=Variable "mid" is not available.
) at vm
eval.c:236
#35853 0x0000000800687f36 in eventcallbackwrapper (a1=Variable "a1" is not available.
) at rubymain.cpp:162

#35854 0x000000080068e238 in ConnectionDescriptor::DispatchInboundData (this=0x82f4b4900, buffer=Va
riable "buffer" is not available.
)
at ed.cpp:770
#35855 0x000000080068e2cf in ConnectionDescriptor::Read (this=0x82f4b4900) at ed.cpp:718
#35856 0x000000080068fc5f in EventMachine
t::RunSelectOnce (this=0x82faad000) at em.cpp:859
#35857 0x0000000800690bbb in EventMachine
t::RunOnce (this=Variable "this" is not available.
) at em.cpp:455
#35858 0x0000000800694fcc in EventMachine
t::Run (this=0x82faad000) at em.cpp:432
#35859 0x00000008006879a9 in trunmachinewithoutthreads (self=Variable "self" is not available.
) at rubymain.cpp:185
#35860 0x00000008009bc7e2 in vmcallmethod (th=0x801c18300, cfp=0x801defbe0, num=Variable "num" is not available.
)
at vminsnhelper.c:404
---Type to continue, or q to quit---
#35861 0x00000008009c2075 in vm
execcore (th=0x801c18300, initial=Variable "initial" is not available.
) at insns.def:1015
#35862 0x00000008009c6b2e in vm
exec (th=0x801c18300) at vm.c:1220
#35863 0x00000008009c6f75 in rbiseqeval (iseqval=34405987000) at vm.c:1447
#35864 0x00000008008ad4bb in rbloadinternal (fname=34405995280, wrap=Variable "wrap" is not available.
) at load.c:310
#35865 0x00000008008ad621 in rbfload (argc=Variable "argc" is not available.
) at load.c:383
#35866 0x00000008009bc7e2 in vmcallmethod (th=0x801c18300, cfp=0x801defef8, num=Variable "num" is not available.
)
at vminsnhelper.c:404
#35867 0x00000008009c2075 in vm
execcore (th=0x801c18300, initial=Variable "initial" is not available.
) at insns.def:1015
#35868 0x00000008009c6b2e in vm
exec (th=0x801c18300) at vm.c:1220
#35869 0x00000008009c6df7 in rbiseqevalmain (iseqval=34401265640) at vm.c:1461
#35870 0x00000008008aaa0f in ruby
execinternal (n=0x80279a7e8) at eval.c:204
#35871 0x00000008008aaa39 in ruby
execnode (n=0x80279a7e8) at eval.c:251
#35872 0x00000008008ac62f in ruby
run_node (n=0x80279a7e8) at eval.c:244
#35873 0x0000000000400902 in main (argc=5, argv=0x7fffffffcbd0) at main.c:38

#10 Updated by Luis Matta about 2 years ago

naruse is there any thing I should do:
"Anyway I doubt this is Third Party's Issue mainly EventMachine."
Is a confusing phrase, should I open a issue with EventMachine (or Thin) ?

#11 Updated by Luis Matta about 2 years ago

Only the newest prerelease version of EventMachine should work with ruby 1.9.2 and up.
So I tested it, with the same result:

cache: [GET /admin] miss
HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
X-UA-Compatible: IE=Edge,chrome=1
ETag: "707e59ade3d46a333f374bfb6d7f39fb"
Cache-Control: must-revalidate, private, max-age=0
X-Request-Id: 15979549f7d7b4f18918d273c6e91bf3
X-Runtime: 0.097385
Date: Fri, 20 Apr 2012 21:51:34 GMT
X-Rack-Cache: miss
Connection: close
Server: thin 1.3.1 codename Triple Espresso

/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activeadmin-0.4.3/lib/activeadmin/arbre/html/element.rb:148: [BUG] Segmentation fault
ruby 1.9.2p290 (2011-07-09 revision 32553) [x86
64-linux]

-- control frame ----------
c:0033 p:---- s:0110 b:0110 l:000109 d:000109 CFUNC :new
c:0032 p:0020 s:0106 b:0106 l:000105 d:000105 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activeadmin-0.4.3/lib/activeadmin/arbre/html/element.rb:148
c:0031 p:---- s:0103 b:0103 l:000102 d:000102 FINISH
c:0030 p:---- s:0101 b:0101 l:000100 d:000100 CFUNC :puts
c:0029 p:---- s:0099 b:0099 l:000098 d:000098 CFUNC :puts
c:0028 p:0033 s:0095 b:0095 l:000094 d:000094 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/logging.rb:28
c:0027 p:0040 s:0091 b:0091 l:000090 d:000090 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/logging.rb:35
c:0026 p:0009 s:0087 b:0087 l:000610 d:000086 BLOCK /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:105
c:0025 p:0008 s:0084 b:0084 l:0017c8 d:000083 BLOCK /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/response.rb:88
c:0024 p:---- s:0081 b:0081 l:000080 d:000080 FINISH
c:0023 p:---- s:0079 b:0079 l:000078 d:000078 CFUNC :each
c:0022 p:0015 s:0076 b:0076 l:000075 d:000075 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.2/lib/active
record/querycache.rb:46
c:0021 p:0019 s:0072 b:0072 l:000071 d:000071 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.2/lib/active
record/connectionadapters/abstract/conne
c:0020 p:0017 s:0068 b:0068 l:000067 d:000067 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/body
proxy.rb:26
c:0019 p:---- s:0063 b:0063 l:000062 d:000062 FINISH
c:0018 p:0056 s:0061 b:0061 l:0017c8 d:0017c8 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/response.rb:88
c:0017 p:0404 s:0058 b:0058 l:000610 d:000610 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:104
c:0016 p:0094 s:0054 b:0054 l:000053 d:000053 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:53
c:0015 p:0036 s:0051 b:0051 l:000050 d:000050 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:38
c:0014 p:---- s:0046 b:0046 l:000045 d:000045 FINISH
c:0013 p:---- s:0044 b:0044 l:000043 d:000043 CFUNC :run_machine
c:0012 p:0248 s:0041 b:0041 l:000040 d:000040 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/eventmachine-1.0.0.beta.4/lib/eventmachine.rb:179
c:0011 p:0066 s:0034 b:0034 l:0003a0 d:0003a0 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/backends/base.rb:61
c:0010 p:0143 s:0030 b:0030 l:000029 d:000029 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/server.rb:159
c:0009 p:0545 s:0027 b:0027 l:001ea0 d:001ea0 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/controllers/controller.rb:86
c:0008 p:0283 s:0023 b:0023 l:000022 d:000022 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/runner.rb:185
c:0007 p:0037 s:0018 b:0018 l:000017 d:000017 METHOD /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/runner.rb:151
c:0006 p:0042 s:0015 b:0015 l:000014 d:000014 TOP /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/bin/thin:6
c:0005 p:---- s:0013 b:0013 l:000012 d:000012 FINISH
c:0004 p:---- s:0011 b:0011 l:000010 d:000010 CFUNC :load
c:0003 p:0127 s:0007 b:0007 l:001378 d:001fb0 EVAL /var/www/WUEBA/production/shared/bundle/ruby/1.9.1/bin/thin:19
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH

c:0001 p:0000 s:0002 b:0002 l:001378 d:001378 TOP

-- Ruby level backtrace information ----------------------------------------
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/bin/thin:19:in <main>'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/bin/thin:19:in
load'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/bin/thin:6:in <top (required)>'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/runner.rb:151:in
run!'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/runner.rb:185:in run_command'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/controllers/controller.rb:86:in
start'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/server.rb:159:in start'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/backends/base.rb:61:in
start'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/eventmachine-1.0.0.beta.4/lib/eventmachine.rb:179:in run'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/eventmachine-1.0.0.beta.4/lib/eventmachine.rb:179:in
runmachine'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:38:in receive_data'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:53:in
process'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:104:in post_process'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/response.rb:88:in
each'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/body
proxy.rb:26:in method_missing'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.2/lib/active_record/connection_adapters/abstract/connection_pool.rb:424:in
each'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.2/lib/activerecord/querycache.rb:46:in each'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activerecord-3.2.2/lib/active_record/query_cache.rb:46:in
each'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/response.rb:88:in block in each'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/connection.rb:105:in
block in postprocess'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/logging.rb:35:in trace'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/logging.rb:28:in
log'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/logging.rb:28:in puts'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/thin-1.3.1/lib/thin/logging.rb:28:in
puts'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activeadmin-0.4.3/lib/active
admin/arbre/html/element.rb:148:in to_ary'
/var/www/WUEBA/production/shared/bundle/ruby/1.9.1/gems/activeadmin-0.4.3/lib/active_admin/arbre/html/element.rb:148:in
new'

-- C level backtrace information -------------------------------------------
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbvmbugreport+0x5f) [0x7fb247b288ff]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x63516) [0x7fb247a10516]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbbug+0xb3) [0x7fb247a106b3]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x10d2a5) [0x7fb247aba2a5]
/lib/libpthread.so.0(+0xf8f0) [0x7fb24779f8f0]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x176d5b) [0x7fb247b23d5b]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x16a303) [0x7fb247b17303]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x170589) [0x7fb247b1d589]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x171edc) [0x7fb247b1eedc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rb
checkfuncall+0x170) [0x7fb247b1f370]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rb
checkconverttype+0xd7) [0x7fb247a5df27]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x138) [0x7fb247a35ae8]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
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/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x

#12 Updated by Yui NARUSE about 2 years ago

levmatta (Luis Matta) wrote:

naruse is there any thing I should do:
"Anyway I doubt this is Third Party's Issue mainly EventMachine."
Is a confusing phrase, should I open a issue with EventMachine (or Thin) ?

I have no idea.

#13 Updated by Yusuke Endoh about 2 years ago

  • Status changed from Feedback to Assigned
  • Assignee set to Nobuyoshi Nakada

Hello,

I cannot reproduce this, but I guess this is a bug of Ruby which is
triggered by a bug of active_admin.

Arbre::HTML::Element (which is defined in activeadmin) defines #toary
wrongly, as the class does not mimic Array class.
https://github.com/gregbell/active_admin/blob/master/lib/active_admin/arbre/html/element.rb#L147

def to_ary
Collection.new [self]
end

(The Collection class inherits Array)

And, an instance of the class is passed to Kernel.puts, which cause a bug.

In short, this is considered like the following small code:

class Foo
def to_ary
Array.new [self]
end
end
puts Foo.new

(This code does not cause SEGV in my 32 bit system, but naruse said
it does in x86_64)

This causes infinite recursion, which leads to stack overflow.
This behavior can be also observed in the following stack trace:

/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x88cdd) [0x7fb247a35cdd]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17da08) [0x7fb247b2aa08]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(+0x17e7dc) [0x7fb247b2b7dc]
/usr/local/rvm/rubies/ruby-1.9.2-p290/lib/libruby.so.1.9(rbioputs+0x157) [0x7fb247a35b07]

Because rbioputs (the implementation of IO#puts) uses rbexecrecursive,
the infinite recursion should be detected.
So, I guess there is something wrong in rbexecrecursive.

Nobu, please check it.

Yusuke Endoh mame@tsg.ne.jp

#14 Updated by Luis Matta almost 2 years ago

Thanks Yusuke.
I have notified the ActiveAdmin project (https://github.com/gregbell/active_admin/issues/1269) and I have closed the issue at EventMachine (https://github.com/eventmachine/eventmachine/issues/318).
Chears.

#15 Updated by Nobuyoshi Nakada over 1 year ago

Since that toary method creates new arrays for each time, rbexec_recursive() can't catch it.

#16 Updated by Nobuyoshi Nakada over 1 year ago

  • Status changed from Assigned to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r38120.
Luis, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.


io.c: recurse for the argument

  • io.c (rbioputs): recurse for the argument itself, not converted array elements. [Bug #5986]

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