[MacRuby] #1361: Using pg gem returns bus error

[MacRuby]

#1361: Using pg gem returns bus error
-------------------------------+--------------------------------------------
 Reporter:  tpitale@…          |       Owner:  lsansonetti@…        
     Type:  defect             |      Status:  new                  
 Priority:  blocker            |   Milestone:                       
Component:  MacRuby            |    Keywords:  pg gem postgres      
-------------------------------+--------------------------------------------

Comment(by watson1978@…):

 I also got a crash within macirb.
 {{{
 $ DYLD_LIBRARY_PATH=. gdb --args ./macruby /usr/local/bin/macirb
 irb(main):007:0> puts connection.exec("LISTEN test1").result_status

 Program received signal EXC_BAD_ACCESS, Could not access memory.
 Reason: KERN_INVALID_ADDRESS at address: 0xfffffffdffd29f47
 0x00000001000995bd in st_lookup (table=0x2002c5fa0, key=6,
 value=0x7fff5fbf5478) at st.c:298
 298         hash_val = do_hash(key, table);
 (gdb) bt
 #0  0x00000001000995bd in st_lookup (table=0x2002c5fa0, key=6,
 value=0x7fff5fbf5478) at st.c:298
 #1  0x00000001075ae1d5 in pgconn_get_client_encoding_as_rb_encoding
 (conn=<value temporarily unavailable, due to optimizations>) at pg.c:3778
 #2  0x00000001075b4ccf in new_pgresult [inlined] () at
 /Library/Frameworks/MacRuby.framework/Versions/0.11/usr/lib/ruby/Gems/1.9.2/gems/pg-0.11.0/ext/pg.c:117
 #3  0x00000001075b4ccf in pgconn_exec (argc=1, argv=<value temporarily
 unavailable, due to optimizations>, self=8592953824) at pg.c:1005
 #4  0x0000000101761ee7 in ?? ()
 #5  0x000000010012defb in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:448
 #6  0x000000010012defb in rb_vm_dispatch () at dispatcher.cpp:872
 #7  0x0000000101702034 in ?? ()
 #8  0x000000010176624e in ?? ()
 #9  0x0000000100149cea in rb_vm_run (fname=0x2002aace0 "(irb)",
 node=0x2002dcaa0, binding=0x2000ffe80, inside_eval=true) at vm.cpp:4123
 #10 0x000000010014a0ed in rb_vm_run_under () at vm.cpp:4230
 #11 0x000000010014a2ff in rb_vm_eval_string (self=8590086944, klass=0,
 src=8592416064, binding=0x2000ffe80, file=0x2002aace0 "(irb)", line=7,
 should_push_outer=false) at vm.cpp:4274
 #12 0x00000001000db459 in eval_string_with_should_push_outer
 (self=8590086944, klass=0, src=8592416064, scope=8592079744,
 file=0x2002aace0 "(irb)", line=7, should_push_outer=false) at
 vm_eval.c:299
 #13 0x00000001000db528 in eval_string (self=8590086944, klass=0,
 src=8592416064, scope=8592079744, file=0x2002aace0 "(irb)", line=7) at
 vm_eval.c:320
 #14 0x00000001000db8f2 in rb_f_eval (self=8590086944, sel=0x100f27180,
 argc=4, argv=0x7fff5fbf7938) at vm_eval.c:441
 #15 0x000000010012defb in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:448
 #16 0x000000010012defb in rb_vm_dispatch () at dispatcher.cpp:872
 #17 0x00000001012a16f5 in dyld_stub_strncpy ()
 #18 0x00000001012a2adf in MREP_519E9DD5E8BC4C729284F20BE045241F ()
 #19 0x000000010012e5c4 in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:165
 #20 0x000000010012e5c4 in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:466
 #21 0x000000010012e5c4 in rb_vm_dispatch () at dispatcher.cpp:872
 #22 0x00000001012a16f5 in dyld_stub_strncpy ()
 #23 0x00000001012a329f in MREP_519E9DD5E8BC4C729284F20BE045241F ()
 #24 0x000000010012e52e in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:161
 #25 0x000000010012e52e in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:466
 #26 0x000000010012e52e in rb_vm_dispatch () at dispatcher.cpp:872
 #27 0x00000001012a16f5 in dyld_stub_strncpy ()
 #28 0x00000001012a3ba7 in MREP_519E9DD5E8BC4C729284F20BE045241F ()
 #29 0x000000010012e52e in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:161
 #30 0x000000010012e52e in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:466
 #31 0x000000010012e52e in rb_vm_dispatch () at dispatcher.cpp:872
 #32 0x00000001035de385 in dyld_stub_strncpy ()
 #33 0x00000001035dfa22 in MREP_88F39853BC014BDD9242BFD103DB6765 ()
 #34 0x000000010012e52e in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:161
 #35 0x000000010012e52e in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:466
 #36 0x000000010012e52e in rb_vm_dispatch () at dispatcher.cpp:872
 #37 0x00000001035de385 in dyld_stub_strncpy ()
 #38 0x00000001035dfdde in MREP_88F39853BC014BDD9242BFD103DB6765 ()
 #39 0x000000010012e52e in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:161
 #40 0x000000010012e52e in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:466
 #41 0x000000010012e52e in rb_vm_dispatch () at dispatcher.cpp:872
 #42 0x00000001035de385 in dyld_stub_strncpy ()
 #43 0x00000001035e0095 in MREP_88F39853BC014BDD9242BFD103DB6765 ()
 #44 0x000000010012e56f in __rb_vm_rcall [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:163
 #45 0x000000010012e56f in ruby_dispatch [inlined] () at /Users/watson/src
 /macruby-master/dispatcher.cpp:466
 #46 0x000000010012e56f in rb_vm_dispatch () at dispatcher.cpp:872
 #47 0x0000000101702034 in ?? ()
 #48 0x0000000101700ded in ?? ()
 #49 0x0000000101700321 in ?? ()
 #50 0x000000010170017a in ?? ()
 #51 0x0000000100149cea in rb_vm_run (fname=0x2000a7be0
 "/usr/local/bin/macirb", node=0x2000b4ec0, binding=0x0, inside_eval=false)
 at vm.cpp:4123
 #52 0x000000010002858b in ruby_run_node (n=0x2000b4ec0) at eval.c:211
 #53 0x0000000100000be3 in main (argc=2, argv=0x100f1c030,
 envp=0x7fff5fbfde50) at main.cpp:40
 Current language:  auto; currently c
 (gdb)
 }}}

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Ticket URL: <http://www.macruby.org/trac/ticket/1361#comment:5>
MacRuby <http://macruby.org/>