ruby-core

Issue #5380 has been updated by Tomoyuki Chikanaga.


Thank you for reporting a bug.

I can reproduce similar SEGV on "ruby 1.9.4dev (2011-09-30 trunk 33364) [i686-linux]"
The following patch seems fix this issue.

Narihiro-san, could you take a glance to this patch?

diff --git a/gc.c b/gc.c
index fad49e0..1fce29a 100644
--- a/gc.c
+++ b/gc.c
@@ -1090,6 +1090,7 @@ add_heap_slots(rb_objspace_t *objspace, size_t add)
     for (i = 0; i < add; i++) {
         assign_heap_slot(objspace);
     }
+    heaps_inc = 0;
 }

 static void
@@ -1106,7 +1107,6 @@ init_heap(rb_objspace_t *objspace)
     }
 #endif

-    heaps_inc = 0;
     objspace->profile.invoke_time = getrusage_time();
     finalizer_table = st_init_numtable();
 }

----------------------------------------
Bug #5380: gc params cause Segmentation fault
http://redmine.ruby-lang.org/issues/5380

Author: saber ma
Status: Open
Priority: Normal
Assignee: 
Category: 
Target version: 
ruby -v: ruby 1.9.3dev (2011-09-23 revision 33323) [i686-linux]


ruby1.9.3-rc1 or ruby1.9.3-preview1, set the gc params:
export RUBY_GC_MALLOC_LIMIT=60000000
export RUBY_HEAP_MIN_SLOTS=100000

ruby -e 'puts 1'
malloc_limit=60000000 (8000000)
heap_min_slots=100000 (10000)
1
*** glibc detected *** ruby: free(): invalid pointer: 0x09699944 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6(+0x6b591)[0xe9f591]
/lib/tls/i686/cmov/libc.so.6(+0x6cde8)[0xea0de8]
/lib/tls/i686/cmov/libc.so.6(cfree+0x6d)[0xea3ecd]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(ruby_xfree+0x21)[0x17b191]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(st_free_table+0x35)[0x225de5]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x6b435)[0x17b435]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x6d33c)[0x17d33c]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(ruby_vm_destruct+0x79)[0x27cfb9]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(ruby_cleanup+0x20d)[0x16940d]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(ruby_run_node+0x3d)[0x16960d]
ruby[0x80487d8]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6)[0xe4abd6]
ruby[0x80486d1]
======= Memory map: ========
00110000-00303000 r-xp 00000000 08:01 5377589    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9.1
00303000-00306000 r--p 001f2000 08:01 5377589    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9.1
00306000-00308000 rw-p 001f5000 08:01 5377589    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9.1
00308000-00318000 rw-p 00000000 00:00 0 
00318000-0031a000 r-xp 00000000 08:01 11272255   /lib/tls/i686/cmov/libdl-2.11.1.so
0031a000-0031b000 r--p 00001000 08:01 11272255   /lib/tls/i686/cmov/libdl-2.11.1.so
0031b000-0031c000 rw-p 00002000 08:01 11272255   /lib/tls/i686/cmov/libdl-2.11.1.so
00355000-00370000 r-xp 00000000 08:01 11276218   /lib/ld-2.11.1.so
00370000-00371000 r--p 0001a000 08:01 11276218   /lib/ld-2.11.1.so
00371000-00372000 rw-p 0001b000 08:01 11276218   /lib/ld-2.11.1.so
0038c000-0038e000 r-xp 00000000 08:01 7216634    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/encdb.so
0038e000-0038f000 r--p 00001000 08:01 7216634    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/encdb.so
0038f000-00390000 rw-p 00002000 08:01 7216634    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/encdb.so
00514000-00516000 r-xp 00000000 08:01 7349987    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/trans/transdb.so
00516000-00517000 r--p 00001000 08:01 7349987    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/trans/transdb.so
00517000-00518000 rw-p 00002000 08:01 7349987    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/trans/transdb.so
0077c000-0077d000 r-xp 00000000 00:00 0          [vdso]
00843000-00858000 r-xp 00000000 08:01 11272349   /lib/tls/i686/cmov/libpthread-2.11.1.so
00858000-00859000 r--p 00014000 08:01 11272349   /lib/tls/i686/cmov/libpthread-2.11.1.so
00859000-0085a000 rw-p 00015000 08:01 11272349   /lib/tls/i686/cmov/libpthread-2.11.1.so
0085a000-0085c000 rw-p 00000000 00:00 0 
00998000-009bc000 r-xp 00000000 08:01 11272290   /lib/tls/i686/cmov/libm-2.11.1.so
009bc000-009bd000 r--p 00023000 08:01 11272290   /lib/tls/i686/cmov/libm-2.11.1.so
009bd000-009be000 rw-p 00024000 08:01 11272290   /lib/tls/i686/cmov/libm-2.11.1.so
00aaf000-00ab6000 r-xp 00000000 08:01 11272355   /lib/tls/i686/cmov/librt-2.11.1.so
00ab6000-00ab7000 r--p 00006000 08:01 11272355   /lib/tls/i686/cmov/librt-2.11.1.so
00ab7000-00ab8000 rw-p 00007000 08:01 11272355   /lib/tls/i686/cmov/librt-2.11.1.so
00bb6000-00bd3000 r-xp 00000000 08:01 11272275   /lib/libgcc_s.so.1
00bd3000-00bd4000 r--p 0001c000 08:01 11272275   /lib/libgcc_s.so.1
00bd4000-00bd5000 rw-p 0001d000 08:01 11272275   /lib/libgcc_s.so.1
00df1000-00dfa000 r-xp 00000000 08:01 11272249   /lib/tls/i686/cmov/libcrypt-2.11.1.so
00dfa000-00dfb000 r--p 00008000 08:01 11272249   /lib/tls/i686/cmov/libcrypt-2.11.1.so
00dfb000-00dfc000 rw-p 00009000 08:01 11272249   /lib/tls/i686/cmov/libcrypt-2.11.1.so
00dfc000-00e23000 rw-p 00000000 00:00 0 
00e34000-00f87000 r-xp 00000000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
00f87000-00f88000 ---p 00153000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
00f88000-00f8a000 r--p 00153000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
00f8a000-00f8b000 rw-p 00155000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
00f8b000-00f8e000 rw-p 00000000 00:00 0 
08048000-08049000 r-xp 00000000 08:01 5258895    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/ruby
08049000-0804a000 r--p 00000000 08:01 5258895    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/ruby
0804a000-0804b000 rw-p 00001000 08:01 5258895    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/ruby
09381000-096a2000 rw-p 00000000 00:00 0          [heap]
b7600000-b7621000 rw-p 00000000 00:00 0 
b7621000-b7700000 ---p 00000000 00:00 0 
b77c4000-b7803000 r--p 00000000 08:01 2891665    /usr/lib/locale/en_US.utf8/LC_CTYPE
b7803000-b7806000 rw-p 00000000 00:00 0 
b780b000-b780c000 rw-p 00000000 00:00 0 
b780c000-b780d000 ---p 00000000 00:00 0 
b780d000-b7810000 rw-p 00000000 00:00 0 
b7810000-b7817000 r--s 00000000 08:01 2884807    /usr/lib/gconv/gconv-modules.cache
b7817000-b7819000 rw-p 00000000 00:00 0 
bfe69000-bfe7f000 rw-p 00000000 00:00 0          [stack]
[1]    17007 abort      ruby -e 'puts 1'

the irb command raise the same error.

irb
malloc_limit=60000000 (8000000)
heap_min_slots=100000 (10000)
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb:392: [BUG] Segmentation fault
ruby 1.9.3dev (2011-09-23 revision 33323) [i686-linux]

-- Control frame information -----------------------------------------------
c:0025 p:0025 s:0094 b:0094 l:000093 d:000093 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb:392
c:0024 p:0011 s:0091 b:0091 l:000090 d:000090 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb:413
c:0023 p:0030 s:0088 b:0088 l:000087 d:000087 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:381
c:0022 p:0033 s:0085 b:0085 l:000084 d:000084 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:267
c:0021 p:0036 s:0081 b:0081 l:000080 d:000080 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:409
c:0020 p:---- s:0078 b:0078 l:000077 d:000077 FINISH
c:0019 p:---- s:0076 b:0076 l:000075 d:000075 CFUNC  :find
c:0018 p:0011 s:0073 b:0073 l:000072 d:000072 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:441
c:0017 p:0021 s:0069 b:0069 l:000068 d:000068 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb:203
c:0016 p:0040 s:0064 b:0064 l:000049 d:000063 BLOCK  /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:150
c:0015 p:0073 s:0061 b:0061 l:000054 d:000060 BLOCK  /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:158
c:0014 p:0081 s:0058 b:0058 l:000057 d:000057 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:167
c:0013 p:0036 s:0055 b:0055 l:000054 d:000054 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:157
c:0012 p:0015 s:0050 b:0050 l:000049 d:000049 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:145
c:0011 p:0108 s:0044 b:0044 l:000043 d:000043 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:124
c:0010 p:0016 s:0037 b:0037 l:000036 d:000036 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:108
c:0009 p:0177 s:0031 b:0031 l:000030 d:000030 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:32
c:0008 p:---- s:0026 b:0026 l:000025 d:000025 FINISH
c:0007 p:---- s:0024 b:0024 l:000023 d:000023 CFUNC  :new
c:0006 p:0649 s:0021 b:0019 l:000018 d:000018 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/init.rb:114
c:0005 p:0019 s:0015 b:0015 l:000014 d:000014 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/init.rb:16
c:0004 p:0047 s:0011 b:0011 l:000010 d:000010 METHOD /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb.rb:53
c:0003 p:0142 s:0006 b:0006 l:000014 d:00029c EVAL   /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/irb:16
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
c:0001 p:0000 s:0002 b:0002 l:000014 d:000014 TOP   

-- Ruby level backtrace information ----------------------------------------
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/irb:16:in `<main>'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb.rb:53:in `start'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/init.rb:16:in `setup'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/init.rb:114:in `init_config'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/init.rb:114:in `new'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:32:in `initialize'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:108:in `load'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:124:in `find'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:145:in `search_file'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:157:in `each_localized_path'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:167:in `each_sublocale'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:158:in `block in each_localized_path'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb:150:in `block in search_file'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb:203:in `try_activate'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:441:in `find_by_path'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:441:in `find'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:409:in `each'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:267:in `_all'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb:381:in `dirs'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb:413:in `path'
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb:392:in `paths'

-- C level backtrace information -------------------------------------------
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x184253) [0x294253] vm_dump.c:796
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x55b57) [0x165b57] error.c:258
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_bug+0x49) [0x165c59] error.c:277
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x10d93c) [0x21d93c] signal.c:609
[0xa15410]
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x6f88c) [0x17f88c] gc.c:2212
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x6fcaf) [0x17fcaf] gc.c:694
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_str_buf_new+0xc7) [0x22fb17] string.c:744
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_enc_vsprintf+0x37) [0x225447] sprintf.c:1170
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_vsprintf+0x2c) [0x2254fc] sprintf.c:1199
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_sprintf+0x24) [0x225534] sprintf.c:1209
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x15ce47) [0x26ce47] compile.c:4683
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_iseq_compile_node+0x70a) [0x27306a] compile.c:487
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_iseq_new_with_opt+0x9d) [0x27b4ed] iseq.c:411
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_iseq_new_top+0x53) [0x27ba33] iseq.c:386
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x5ab6a) [0x16ab6a] load.c:308
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_require_safe+0x742) [0x16c2a2] load.c:619
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_autoload_load+0xa8) [0x262ee8] variable.c:1566
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x1550e9) [0x2650e9] variable.c:1605
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x155288) [0x265288] variable.c:1649
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x17098e) [0x28098e] vm_insnhelper.c:1231
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x1724fc) [0x2824fc] insns.def:223
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x179052) [0x289052] vm.c:1220
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x17a95a) [0x28a95a] vm_eval.c:66
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x17e4a8) [0x28e4a8] vm_eval.c:235
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_iterate+0xcc) [0x27e7cc] vm_eval.c:862
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_block_call+0x4d) [0x27e96d] vm_eval.c:942
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x4c8f5) [0x15c8f5] enum.c:211
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x16d908) [0x27d908] vm_insnhelper.c:317
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x17edd5) [0x28edd5] vm_insnhelper.c:404
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x174268) [0x284268] insns.def:1015
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x179052) [0x289052] vm.c:1220
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x17a95a) [0x28a95a] vm_eval.c:66
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_obj_call_init+0x50) [0x167840] eval.c:876
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_class_new_instance+0x3a) [0x1b940a] object.c:1625
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x16d908) [0x27d908] vm_insnhelper.c:317
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x17edd5) [0x28edd5] vm_insnhelper.c:404
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x174268) [0x284268] insns.def:1015
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x179052) [0x289052] vm.c:1220
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(rb_iseq_eval_main+0x1f2) [0x289452] vm.c:1461
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(+0x57eca) [0x167eca] eval.c:204
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(ruby_exec_node+0x25) [0x167f05] eval.c:251
/home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9(ruby_run_node+0x35) [0x169605] eval.c:244
irb() [0x80487d8]
/lib/tls/i686/cmov/libc.so.6(__libc_start_main+0xe6) [0x350bd6]
irb() [0x80486d1]

-- Other runtime information -----------------------------------------------

* Loaded script: irb

* Loaded features:

    0 enumerator.so
    1 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/encdb.so
    2 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/trans/transdb.so
    3 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/defaults.rb
    4 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/rbconfig.rb
    5 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/deprecate.rb
    6 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/exceptions.rb
    7 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb
    8 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems.rb
    9 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/e2mmap.rb
   10 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/init.rb
   11 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/workspace.rb
   12 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/inspector.rb
   13 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/context.rb
   14 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/extend-command.rb
   15 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/output-method.rb
   16 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/notifier.rb
   17 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/slex.rb
   18 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/ruby-token.rb
   19 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/ruby-lex.rb
   20 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/src_encoding.rb
   21 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/magic-file.rb
   22 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/readline.so
   23 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/input-method.rb
   24 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb/locale.rb
   25 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/irb.rb
   26 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/version.rb
   27 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/requirement.rb
   28 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/platform.rb
   29 /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/site_ruby/1.9.1/rubygems/specification.rb

* Process memory map:

00110000-00303000 r-xp 00000000 08:01 5377589    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9.1
00303000-00306000 r--p 001f2000 08:01 5377589    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9.1
00306000-00308000 rw-p 001f5000 08:01 5377589    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/libruby.so.1.9.1
00308000-00318000 rw-p 00000000 00:00 0 
00318000-0032d000 r-xp 00000000 08:01 11272349   /lib/tls/i686/cmov/libpthread-2.11.1.so
0032d000-0032e000 r--p 00014000 08:01 11272349   /lib/tls/i686/cmov/libpthread-2.11.1.so
0032e000-0032f000 rw-p 00015000 08:01 11272349   /lib/tls/i686/cmov/libpthread-2.11.1.so
0032f000-00331000 rw-p 00000000 00:00 0 
00331000-00338000 r-xp 00000000 08:01 11272355   /lib/tls/i686/cmov/librt-2.11.1.so
00338000-00339000 r--p 00006000 08:01 11272355   /lib/tls/i686/cmov/librt-2.11.1.so
00339000-0033a000 rw-p 00007000 08:01 11272355   /lib/tls/i686/cmov/librt-2.11.1.so
0033a000-0048d000 r-xp 00000000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
0048d000-0048e000 ---p 00153000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
0048e000-00490000 r--p 00153000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
00490000-00491000 rw-p 00155000 08:01 11272241   /lib/tls/i686/cmov/libc-2.11.1.so
00491000-00494000 rw-p 00000000 00:00 0 
00498000-0049a000 r-xp 00000000 08:01 7216634    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/encdb.so
0049a000-0049b000 r--p 00001000 08:01 7216634    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/encdb.so
0049b000-0049c000 rw-p 00002000 08:01 7216634    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/encdb.so
0049c000-004cb000 r-xp 00000000 08:01 11272352   /lib/libreadline.so.6.1
004cb000-004cc000 r--p 0002e000 08:01 11272352   /lib/libreadline.so.6.1
004cc000-004cf000 rw-p 0002f000 08:01 11272352   /lib/libreadline.so.6.1
004cf000-004d0000 rw-p 00000000 00:00 0 
00911000-0091a000 r-xp 00000000 08:01 11272249   /lib/tls/i686/cmov/libcrypt-2.11.1.so
0091a000-0091b000 r--p 00008000 08:01 11272249   /lib/tls/i686/cmov/libcrypt-2.11.1.so
0091b000-0091c000 rw-p 00009000 08:01 11272249   /lib/tls/i686/cmov/libcrypt-2.11.1.so
0091c000-00943000 rw-p 00000000 00:00 0 
00997000-0099c000 r-xp 00000000 08:01 6559402    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/readline.so
0099c000-0099d000 r--p 00004000 08:01 6559402    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/readline.so
0099d000-0099e000 rw-p 00005000 08:01 6559402    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/readline.so
00a15000-00a16000 r-xp 00000000 00:00 0          [vdso]
00b02000-00b04000 r-xp 00000000 08:01 11272255   /lib/tls/i686/cmov/libdl-2.11.1.so
00b04000-00b05000 r--p 00001000 08:01 11272255   /lib/tls/i686/cmov/libdl-2.11.1.so
00b05000-00b06000 rw-p 00002000 08:01 11272255   /lib/tls/i686/cmov/libdl-2.11.1.so
00bfd000-00bff000 r-xp 00000000 08:01 7349987    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/trans/transdb.so
00bff000-00c00000 r--p 00001000 08:01 7349987    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/trans/transdb.so
00c00000-00c01000 rw-p 00002000 08:01 7349987    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/lib/ruby/1.9.1/i686-linux/enc/trans/transdb.so
00cb5000-00cd2000 r-xp 00000000 08:01 11272275   /lib/libgcc_s.so.1
00cd2000-00cd3000 r--p 0001c000 08:01 11272275   /lib/libgcc_s.so.1
00cd3000-00cd4000 rw-p 0001d000 08:01 11272275   /lib/libgcc_s.so.1
00df1000-00e0c000 r-xp 00000000 08:01 11276218   /lib/ld-2.11.1.so
00e0c000-00e0d000 r--p 0001a000 08:01 11276218   /lib/ld-2.11.1.so
00e0d000-00e0e000 rw-p 0001b000 08:01 11276218   /lib/ld-2.11.1.so
00f05000-00f39000 r-xp 00000000 08:01 11272294   /lib/libncurses.so.5.7
00f39000-00f3a000 ---p 00034000 08:01 11272294   /lib/libncurses.so.5.7
00f3a000-00f3c000 r--p 00034000 08:01 11272294   /lib/libncurses.so.5.7
00f3c000-00f3d000 rw-p 00036000 08:01 11272294   /lib/libncurses.so.5.7
00f7d000-00fa1000 r-xp 00000000 08:01 11272290   /lib/tls/i686/cmov/libm-2.11.1.so
00fa1000-00fa2000 r--p 00023000 08:01 11272290   /lib/tls/i686/cmov/libm-2.11.1.so
00fa2000-00fa3000 rw-p 00024000 08:01 11272290   /lib/tls/i686/cmov/libm-2.11.1.so
08048000-08049000 r-xp 00000000 08:01 5258895    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/ruby
08049000-0804a000 r--p 00000000 08:01 5258895    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/ruby
0804a000-0804b000 rw-p 00001000 08:01 5258895    /home/saberma/.rvm/rubies/ruby-1.9.3-rc1/bin/ruby
09389000-099c4000 rw-p 00000000 00:00 0          [heap]
b77c8000-b7849000 rw-p 00000000 00:00 0 
b7849000-b7888000 r--p 00000000 08:01 2891665    /usr/lib/locale/en_US.utf8/LC_CTYPE
b7888000-b788b000 rw-p 00000000 00:00 0 
b788f000-b7891000 rw-p 00000000 00:00 0 
b7891000-b7892000 ---p 00000000 00:00 0 
b7892000-b7895000 rw-p 00000000 00:00 0 
b7895000-b789c000 r--s 00000000 08:01 2884807    /usr/lib/gconv/gconv-modules.cache
b789c000-b789e000 rw-p 00000000 00:00 0 
bfcfa000-bfd10000 rw-p 00000000 00:00 0          [stack]



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