Issue #5350 has been reported by Makoto K…
Bug #5350: WeakRef で謎の NoMethodError
Author: Makoto K.
Status: Open
Priority: Low
Assignee:
Category:
Target version: 1.9.x
ruby -v: ruby 1.9.4dev (2011-07-18 trunk 32577) [x86_64-freebsd8.2]
添付のようなスクリプトを r18232 以降の ruby 1.9 で走らせると、以下のように
RefError ではなく NoMethodError が上がってくる、ということが起きます。
( value メソッドを呼ぶ直前に weakref_alive? を呼んでみると true が
返っています )
r18220 以前では正常に動きます( r18221 ~ r18231 では core を吐きます)。
ruby 1.9.0 (2008-07-27 revision 0) [x86_64-freebsd8.2]
…/weakref_bug.rb:20:in part': undefined method
value’ for
[17188951200]:WeakRef (NoMethodError)
from …/weakref_bug.rb:29:in block in part' from ../weakref_bug.rb:27:in
downto’
from …/weakref_bug.rb:27:in each' from ../weakref_bug.rb:27:in
part’
from …/weakref_bug.rb:29:in block in part' from ../weakref_bug.rb:27:in
downto’
from …/weakref_bug.rb:27:in each' from ../weakref_bug.rb:27:in
part’
from …/weakref_bug.rb:38:in block in <main>' from ../weakref_bug.rb:36:in
each’
from …/weakref_bug.rb:36:in `’
ruby 1.9.4dev (2011-07-18 trunk 32577) [x86_64-freebsd8.2]
…/weakref_bug.rb:20:in part': undefined method
value’ for
"…/weakref_bug.rb:36:in <main>'":WeakRef (NoMethodError) from ../weakref_bug.rb:29:in
block in part’
from …/weakref_bug.rb:27:in downto' from ../weakref_bug.rb:27:in
each’
from …/weakref_bug.rb:27:in part' from ../weakref_bug.rb:29:in
block in part’
from …/weakref_bug.rb:27:in downto' from ../weakref_bug.rb:27:in
each’
from …/weakref_bug.rb:27:in part' from ../weakref_bug.rb:29:in
block in part’
from …/weakref_bug.rb:27:in downto' from ../weakref_bug.rb:27:in
each’
from …/weakref_bug.rb:27:in part' from ../weakref_bug.rb:29:in
block in part’
from …/weakref_bug.rb:27:in downto' from ../weakref_bug.rb:27:in
each’
from …/weakref_bug.rb:27:in part' from ../weakref_bug.rb:29:in
block in part’
from …/weakref_bug.rb:27:in downto' from ../weakref_bug.rb:27:in
each’
from …/weakref_bug.rb:27:in part' from ../weakref_bug.rb:38:in
block in ’
from …/weakref_bug.rb:36:in each' from ../weakref_bug.rb:36:in
’
/home/ksmakoto/ruby-working/ruby-weakref/lib/ruby/1.9.0/weakref.rb:58:
[BUG] gc_sweep(): unknown data type 0x0(0x801019088)
ruby 1.9.0 (2008-07-25 revision 0) [x86_64-freebsd8.2]
– control frame ----------
c:0023 p:---- s:0072 b:0072 l:000071 d:000071 CFUNC :_id2ref
c:0022 p:0069 s:0068 b:0068 l:000067 d:000067 METHOD
/home/ksmakoto/ruby-working/ruby-weakref/lib/ruby/1.9.0/weakref.rb:58
c:0021 p:0007 s:0065 b:0065 l:000064 d:000064 METHOD
/home/ksmakoto/ruby-working/ruby-weakref/lib/ruby/1.9.0/delegate.rb:139
c:0020 p:---- s:0058 b:0058 l:000057 d:000057 FINISH :eql?
c:0019 p:0041 s:0056 b:0055 l:000054 d:000054 METHOD
…/weakref_bug.rb:20
c:0018 p:0032 s:0048 b:0047 l:000036 d:000046 BLOCK
…/weakref_bug.rb:29
c:0017 p:---- s:0046 b:0046 l:000045 d:000045 FINISH :==
c:0016 p:---- s:0044 b:0044 l:000039 d:000043 IFUNC :==
c:0015 p:---- s:0042 b:0042 l:000041 d:000041 CFUNC :downto
c:0014 p:---- s:0040 b:0040 l:000039 d:000039 CFUNC :each
c:0013 p:0074 s:0037 b:0037 l:000036 d:000036 METHOD
…/weakref_bug.rb:27
c:0012 p:0032 s:0030 b:0029 l:000018 d:000028 BLOCK
…/weakref_bug.rb:29
c:0011 p:---- s:0028 b:0028 l:000027 d:000027 FINISH :==
c:0010 p:---- s:0026 b:0026 l:000021 d:000025 IFUNC :==
c:0009 p:---- s:0024 b:0024 l:000023 d:000023 CFUNC :downto
c:0008 p:---- s:0022 b:0022 l:000021 d:000021 CFUNC :each
c:0007 p:0074 s:0019 b:0019 l:000018 d:000018 METHOD
…/weakref_bug.rb:27
c:0006 p:0013 s:0012 b:0012 l:000005 d:000011 BLOCK
…/weakref_bug.rb:38
c:0005 p:---- s:0011 b:0011 l:000010 d:000010 FINISH :method_added
c:0004 p:---- s:0009 b:0009 l:000008 d:000008 CFUNC :each
c:0003 p:0047 s:0006 b:0006 l:000005 d:000005 TOP
…/weakref_bug.rb:36
c:0002 p:---- s:0004 b:0004 l:000003 d:000003 FINISH
:private_class_method
c:0001 p:0000 s:0002 b:0002 l:000001 d:000001 TOP
/home/ksmakoto/ruby-working/ruby-weakref/lib/ruby/1.9.0/weakref.rb:58:
[BUG] object allocation during garbage collection phase
ruby 1.9.0 (2008-07-25 revision 0) [x86_64-freebsd8.2]
– control frame ----------
c:0023 p:---- s:0072 b:0072 l:000071 d:000071 CFUNC :_id2ref
(上と同じなので省略)
c:0001 p:0000 s:0002 b:0002 l:000001 d:000001 TOP
DBG> :
“/home/ksmakoto/ruby-working/ruby-weakref/lib/ruby/1.9.0/weakref.rb:58:in
_id2ref'" DBG> : "/home/ksmakoto/ruby-working/ruby-weakref/lib/ruby/1.9.0/weakref.rb:58:in
getobj’”
DBG> :
“/home/ksmakoto/ruby-working/ruby-weakref/lib/ruby/1.9.0/delegate.rb:139:in
method_missing'" DBG> : "../weakref_bug.rb:20:in
part’”
DBG> : “…/weakref_bug.rb:29:in block in part'" DBG> : "../weakref_bug.rb:27:in
downto’”
DBG> : “…/weakref_bug.rb:27:in each'" DBG> : "../weakref_bug.rb:27:in
part’”
DBG> : “…/weakref_bug.rb:29:in block in part'" DBG> : "../weakref_bug.rb:27:in
downto’”
DBG> : “…/weakref_bug.rb:27:in each'" DBG> : "../weakref_bug.rb:27:in
part’”
DBG> : “…/weakref_bug.rb:38:in block in <main>'" DBG> : "../weakref_bug.rb:36:in
each’”
DBG> : “…/weakref_bug.rb:36:in `'”
Abort trap: 6 (core dumped)