From: Sylvain Joyeux <sylvain.joyeux@...4x.org>
Date: 2007-06-04T03:32:54+09:00
Subject: Re: $2000 USD Reward for help fixing Segmentation Fault in GC

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On Friday 01 June 2007 20:04:09 Sylvain Joyeux wrote:
> If you can run your application on x86 and still have the crash, run the
> interpreter under valgrind. You'll have to generate a suppression file
> beforehand though.

Brent, you can try the attached file. They are for 1.8.5 under debian, but 
maybe the backtraces will be similar enough to do the trick for you.

Sylvain

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  charset="iso-8859-1";
  name="ruby2.valgrind"
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	filename="ruby2.valgrind"

{
   RubyGC:New
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_newobj
}
{
   RubyGC:New
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_newobj
}

{
   RubyGC:New
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_newobj
}
{
   RubyGC:New
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_newobj
}



{
   RubyGC:New
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_newobj
}
{
   RubyGC:New
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_newobj
}





{
   RubyGC:Mark
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_gc_mark_locations
}
{
   RubyGC:Mark
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_gc_mark_locations
}


{
   RubyGC:Mark
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_gc_mark_locations
}
{
   RubyGC:Mark
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   obj:/usr/lib/libruby.so.1.8.4
   fun:rb_gc_mark_locations
}



{
    RubyGC:MarkChildren
    Memcheck:Cond
    fun:gc_mark_children
    fun:mark_locations_array
    fun:garbage_collect
    fun:rb_newobj
}
{
    RubyGC:MarkChildren
    Memcheck:Value4
    fun:gc_mark_children
    fun:mark_locations_array
    fun:garbage_collect
    fun:rb_newobj
}
{
    RubyGC:Mark
    Memcheck:Cond
    fun:gc_mark
    fun:mark_locations_array
    fun:garbage_collect
    fun:rb_newobj
}
{
    RubyGC:Mark
    Memcheck:Value4
    fun:gc_mark
    fun:mark_locations_array
    fun:garbage_collect
    fun:rb_newobj
}
{
    RubyGC:MarkLocations
    Memcheck:Cond
    fun:mark_locations_array
    fun:garbage_collect
    fun:rb_newobj
}
{
    RubyGC:MarkLocations
    Memcheck:Value4
    fun:mark_locations_array
    fun:garbage_collect
    fun:rb_newobj
}

{
   RubyGC:Mark
   Memcheck:Value4
   fun:gc_mark
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
}
{
   RubyGC:Mark
   Memcheck:Cond
   fun:gc_mark
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
}
{
   RubyGC:MarkChildren
   Memcheck:Value4
   fun:gc_mark_children
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
}
{
   RubyGC:MarkLocations
   Memcheck:Cond
   fun:gc_mark_children
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
}
{
   RubyGC:MarkLocations
   Memcheck:Value4
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
   fun:call_cfunc
}
{
   RubyGC:MarkLocations
   Memcheck:Cond
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
   fun:call_cfunc
}


{
   <insert a suppression name here>
   Memcheck:Value4
   fun:gc_mark_children
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
}
{
   <insert a suppression name here>
   Memcheck:Cond
   fun:gc_mark_children
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
   fun:rb_node_newnode
   fun:new_fcall
   fun:ruby_yyparse
   fun:yycompile
   fun:load_file
   fun:rb_load
   fun:rb_require_safe
   fun:rb_f_require
}

{
   <insert a suppression name here>
   Memcheck:Cond
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:do_sym
   fun:dlsym_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlsym
}

{
   <insert a suppression name here>
   Memcheck:Cond
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
}

{
   <insert a suppression name here>
   Memcheck:Cond
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
}
{
   <insert a suppression name here>
   Memcheck:Cond
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   fun:_wordcopy_fwd_dest_aligned
   fun:mempcpy
   fun:_IO_default_xsputn
   fun:vfprintf
   fun:vsnprintf
   fun:snprintf
   fun:backtrace
   fun:rb_longjmp
   fun:rb_exc_raise
   fun:rb_raise
   fun:load_failed
   fun:rb_require_safe
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
   fun:dln_load
   fun:rb_require_safe
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
}

{
   <insert a suppression name here>
   Memcheck:Cond
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
   fun:dln_load
   fun:rb_require_safe
   fun:rb_f_require
   fun:call_cfunc
}

{
   <insert a suppression name here>
   Memcheck:Cond
   obj:/lib/ld-2.3.6.so
   obj:*
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
   fun:rb_dlhandle_initialize
}

{
   <insert a suppression name here>
   Memcheck:Value4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
   fun:rb_dlhandle_initialize
   fun:call_cfunc
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
}

{
   <insert a suppression name here>
   Memcheck:Value4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
   fun:rb_dlhandle_initialize
}

{
   <insert a suppression name here>
   Memcheck:Value4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:dl_open_worker
   obj:/lib/ld-2.3.6.so
   fun:_dl_open
   fun:dlopen_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlopen@@GLIBC_2.1
   fun:rb_dlhandle_initialize
}

{
   <insert a suppression name here>
   Memcheck:Addr4
   obj:/lib/ld-2.3.6.so
   obj:/lib/ld-2.3.6.so
   fun:do_sym
   fun:dlsym_doit
   obj:/lib/ld-2.3.6.so
   fun:_dlerror_run
   fun:dlsym
   fun:rb_dlhandle_sym
   fun:call_cfunc
   fun:rb_call0
   fun:rb_call
   fun:rb_f_send
}


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  charset="iso-8859-1";
  name="ruby-dbg.valgrind"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename="ruby-dbg.valgrind"

{
   <insert a suppression name here>
   Memcheck:Cond
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
}
{
   <insert a suppression name here>
   Memcheck:Cond
   fun:gc_mark
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
}
{
   <insert a suppression name here>
   Memcheck:Cond
   fun:gc_mark_children
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
}
{
   <insert a suppression name here>
   Memcheck:Value4
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
}
{
   <insert a suppression name here>
   Memcheck:Value4
   fun:gc_mark
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
}
{
   <insert a suppression name here>
   Memcheck:Value4
   fun:gc_mark_children
   fun:mark_locations_array
   fun:garbage_collect
   fun:rb_newobj
}



{
   <insert a suppression name here>
   Memcheck:Cond
   fun:gc_mark_children
   fun:mark_locations_array
   fun:thread_mark
   fun:gc_mark_children
}
{
   <insert a suppression name here>
   Memcheck:Cond
   fun:gc_mark
   fun:mark_locations_array
   fun:thread_mark
   fun:gc_mark_children
}
{
   <insert a suppression name here>
   Memcheck:Cond
   fun:mark_locations_array
   fun:thread_mark
   fun:gc_mark_children
}

{
   <insert a suppression name here>
   Memcheck:Value4
   fun:gc_mark_children
   fun:mark_locations_array
   fun:thread_mark
   fun:gc_mark_children
}
{
   <insert a suppression name here>
   Memcheck:Value4
   fun:gc_mark
   fun:mark_locations_array
   fun:thread_mark
   fun:gc_mark_children
}
{
   <insert a suppression name here>
   Memcheck:Value4
   fun:mark_locations_array
   fun:thread_mark
   fun:gc_mark_children
}

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	filename="ruby.valgrind"

{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}
{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}
{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}
{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}
{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}
{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}
{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:st_foreach
}
{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:st_foreach
}
{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:st_foreach
}
{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:st_foreach
}
{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:st_foreach
}
{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:st_foreach
}



{
   Bla
   Memcheck:Value4
   fun:st_lookup
   fun:rb_mark_generic_ivar
}
{
   Bla
   Memcheck:Cond
   fun:st_lookup
   fun:rb_mark_generic_ivar
}


{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_gc_mark_threads
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}
{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_gc_mark_threads
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_newobj
}

{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_gc
}

{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_gc
}

{
   Bla
   Memcheck:Cond
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_gc
}

{
   Bla
   Memcheck:Value4
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   obj:/usr/lib/libruby.so.1.8.5
   fun:rb_gc
}


--Boundary-00=_DlwYGGeeWUPqPP+--