Issue #706 has been updated by zzak (Zachary Scott).

Tracker changed from Bug to Feature
Description updated
Status changed from Feedback to Closed

Without feedback (since 5 years) to reproduce this, we should close it
----------------------------------------
Feature #706: Segmentation fault in garbage collector ruby 1.8.7 (2008-10-31 revision 0) [x86_64-linux]
https://bugs.ruby-lang.org/issues/706#change-43780

Author: hankthetank (hank tank)
Status: Closed
Priority: Low
Assignee: matz (Yukihiro Matsumoto)
Category: 
Target version: 


=begin
 When using C/C++ objects in ruby through SWIG wrappers the garbage collectors causes segmentation faults when run. Heere is a backtrace
 
 Program received signal SIGSEGV, Segmentation fault.
 [Switching to Thread 47395701238496 (LWP 30763)]
 garbage_collect () at gc.c:1184
 1184		    if (!(p->as.basic.flags & FL_MARK)) {
 (gdb) bt
 #0  garbage_collect () at gc.c:1184
 #1  0x000000000042e41b in rb_gc () at gc.c:1533
 #2  0x000000000042e439 in rb_gc_start () at gc.c:1550
 #3  0x000000000041b87a in rb_call0 (klass=47395691970840, recv=47395691970880, id=5313, oid=5313, argc=0, argv=0x0, body=0x2b1b2b6240f0, 
     flags=<value optimized out>) at eval.c:5906
 #4  0x000000000041c63f in rb_call (klass=47395691970840, recv=47395691970880, mid=5313, argc=0, argv=0x0, scope=0, self=47395816630240) at eval.c:6153
 #5  0x000000000041734c in rb_eval (self=47395816630240, n=<value optimized out>) at eval.c:3494
 #6  0x000000000041c0f2 in rb_call0 (klass=47395816630320, recv=47395816630240, id=107929, oid=107929, argc=0, argv=0x7fff7f4c4f50, body=0x2b1b32d383a8, 
     flags=<value optimized out>) at eval.c:6057
 #7  0x000000000041c63f in rb_call (klass=47395816630320, recv=47395816630240, mid=107929, argc=4, argv=0x7fff7f4c4f30, scope=0, self=47395815611600) at eval.c:6153
 #8  0x000000000041734c in rb_eval (self=47395815611600, n=<value optimized out>) at eval.c:3494
 #9  0x00000000004176db in rb_eval (self=47395815611600, n=<value optimized out>) at eval.c:3049
 #10 0x000000000041c0f2 in rb_call0 (klass=47395816155560, recv=47395815611600, id=111321, oid=111321, argc=0, argv=0x7fff7f4c5c48, body=0x2b1b32cc22c0, 
     flags=<value optimized out>) at eval.c:6057
 #11 0x000000000041c63f in rb_call (klass=47395816155560, recv=47395815611600, mid=111321, argc=0, argv=0x7fff7f4c5c48, scope=1, self=6) at eval.c:6153
 #12 0x000000000042421e in rb_f_send (argc=1, argv=0x7fff7f4c5c40, recv=47395815611600) at eval.c:6201
 #13 0x000000000041b87a in rb_call0 (klass=47395692112200, recv=47395815611600, id=4225, oid=4225, argc=1, argv=0x7fff7f4c5c40, body=0x2b1b2b6423c0, 
     flags=<value optimized out>) at eval.c:5906
 #14 0x000000000041c63f in rb_call (klass=47395692112200, recv=47395815611600, mid=4225, argc=1, argv=0x7fff7f4c5c40, scope=1, self=47395815611600) at eval.c:6153
 #15 0x0000000000417482 in rb_eval (self=47395815611600, n=<value optimized out>) at eval.c:3509
 #16 0x000000000041c0f2 in rb_call0 (klass=47395735937960, recv=47395815611600, id=63369, oid=56801, argc=0, argv=0x0, body=0x2b1b2e1bf750, 
     flags=<value optimized out>) at eval.c:6057
 #17 0x000000000041c63f in rb_call (klass=47395735937960, recv=47395815611600, mid=63369, argc=0, argv=0x0, scope=2, self=47395815611600) at eval.c:6153
 #18 0x00000000004174cc in rb_eval (self=47395815611600, n=<value optimized out>) at eval.c:3515
 #19 0x000000000041c0f2 in rb_call0 (klass=47395736540480, recv=47395815611600, id=63337, oid=63337, argc=0, argv=0x7fff7f4c68a8, body=0x2b1b2dfa87f0, 
     flags=<value optimized out>) at eval.c:6057
 #20 0x000000000041c63f in rb_call (klass=47395736540480, recv=47395815611600, mid=63337, argc=3, argv=0x7fff7f4c6890, scope=1, self=47395815611600) at eval.c:6153
 #21 0x0000000000417482 in rb_eval (self=47395815611600, n=<value optimized out>) at eval.c:3509
=end



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