From: Yusuke Endoh Date: 2011-07-24T23:13:53+09:00 Subject: [ruby-core:38453] [Ruby 1.9 - Bug #5090] Segfault using Enumerator Issue #5090 has been updated by Yusuke Endoh. Could you show gdb backtrace? $ gdb --args ruby bug_report.rb bug_report.rb bug_report.rb (gdb) run (gdb) bt -- Yusuke Endoh ---------------------------------------- Bug #5090: Segfault using Enumerator http://redmine.ruby-lang.org/issues/5090 Author: Robert Syme Status: Open Priority: Normal Assignee: Category: core Target version: ruby -v: ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux] Running bug_report.rb on my laptop simply raises a StopIteration as expected, but running it on a compute cluster node (Intel Xeon 2.93 GHz - Nehalem series) generates a segfault (below, and in "gcc and output.txt" when getting the next element from an Enumerator. Ruby was compiled as described in configure.log and make.log $ ruby bug_report.rb bug_report.rb bug_report.rb bug_report.rb:6: [BUG] Segmentation fault ruby 1.9.2p180 (2011-02-18 revision 30909) [x86_64-linux] -- control frame ---------- c:0009 p:---- s:0027 b:0027 l:000050 d:000050 CFUNC :next c:0008 p:0011 s:0024 b:0024 l:0006c8 d:000023 BLOCK bug_report.rb:6 c:0007 p:---- s:0019 b:0019 l:000018 d:000018 FINISH c:0006 p:---- s:0017 b:0017 l:0021d0 d:0021d0 CFUNC :each c:0005 p:---- s:0015 b:0015 l:000014 d:000014 CFUNC :each c:0004 p:---- s:0013 b:0013 l:002100 d:002100 CFUNC :count c:0003 p:0104 s:0010 b:0009 l:0006c8 d:001920 EVAL bug_report.rb:18 c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH c:0001 p:0000 s:0002 b:0002 l:0006c8 d:0006c8 TOP --------------------------- -- Ruby level backtrace information ---------------------------------------- bug_report.rb:18:in `
' bug_report.rb:18:in `count' bug_report.rb:18:in `each' bug_report.rb:18:in `each' bug_report.rb:6:in `block in
' bug_report.rb:6:in `next' -- C level backtrace information ------------------------------------------- /home/585/rxs585/.rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9(rb_vm_bugreport+0x66) [0x7ffff7a8fde6] /home/585/rxs585/.rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9(rb_bug+0x189) [0x7ffff79087f9] /home/585/rxs585/.rvm/rubies/ruby-1.9.2-p180/lib/libruby.so.1.9 [0x7ffff79f55fe] /lib64/libpthread.so.0 [0x7ffff7651b10] [0x7ffff7ffa850] [NOTE] You may have encountered a bug in the Ruby interpreter or extension libraries. Bug reports are welcome. For details: http://www.ruby-lang.org/bugreport.html Aborted -- http://redmine.ruby-lang.org