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Bug #7589

closed

parallel test-all で test_settracefunc が SEGV

Added by naruse (Yui NARUSE) almost 10 years ago. Updated almost 10 years ago.

Status:
Closed
Priority:
Normal
Assignee:
-
Target version:
ruby -v:
ruby 2.0.0dev (2012-12-19 trunk 38456) [x86_64-linux]
Backport:
[ruby-dev:46763]

Description

while make TESTS='-qv -j1 ruby/test_settracefunc.rb' test-all;do done としていると以下の通りSEGVします。

前略
TestSetTraceFunc#test_tracepoint_exception_at_line = 0.00 s = .
/home/naruse/ruby/lib/test/unit/parallel.rb:38: [BUG] Segmentation fault
ruby 2.0.0dev (2012-12-19 trunk 38456) [x86_64-linux]

-- Control frame information -----------------------------------------------
c:0002 p:0014 s:0005 e:000004 BLOCK /home/naruse/ruby/lib/test/unit/parallel.rb:38 [FINISH]
c:0001 p:---- s:0002 e:000001 TOP [FINISH]

-- Ruby level backtrace information ----------------------------------------
/home/naruse/ruby/lib/test/unit/parallel.rb:38:in `block in _run_suite'

-- C level backtrace information -------------------------------------------
/home/naruse/ruby/libruby.so.2.0.0(+0x1be874) [0x2b09de81b874] vm_dump.c:643
/home/naruse/ruby/libruby.so.2.0.0(+0x662a7) [0x2b09de6c32a7] error.c:306
/home/naruse/ruby/libruby.so.2.0.0(rb_bug+0x108) [0x2b09de6c33e5] error.c:325
/home/naruse/ruby/libruby.so.2.0.0(+0x1382f2) [0x2b09de7952f2] signal.c:649
/lib/libpthread.so.0(+0xf8f0) [0x2b09deb188f0] ../nptl/sysdeps/pthread/funlockfile.c:30
/home/naruse/ruby/libruby.so.2.0.0(+0x1c13e8) [0x2b09de81e3e8] vm_trace.c:263
/home/naruse/ruby/libruby.so.2.0.0(+0x1c160f) [0x2b09de81e60f] vm_trace.c:309
/home/naruse/ruby/libruby.so.2.0.0(+0x1aba95) [0x2b09de808a95]
/home/naruse/ruby/libruby.so.2.0.0(+0x1baaca) [0x2b09de817aca] vm.c:1169
/home/naruse/ruby/libruby.so.2.0.0(+0x1b9618) [0x2b09de816618] vm.c:636
/home/naruse/ruby/libruby.so.2.0.0(+0x1b9869) [0x2b09de816869] vm.c:684
/home/naruse/ruby/libruby.so.2.0.0(+0x1b9917) [0x2b09de816917] vm.c:703
/home/naruse/ruby/libruby.so.2.0.0(+0x1c56cf) [0x2b09de8226cf]
/home/naruse/ruby/libruby.so.2.0.0(+0x1c4111) [0x2b09de821111] thread_pthread.c:722
/lib/libpthread.so.0(+0x69ca) [0x2b09deb0f9ca] pthread_create.c:300
/lib/libc.so.6(clone+0x6d) [0x2b09df6d921d] parse.y:10551

-- Other runtime information -----------------------------------------------

  • Loaded script: /home/naruse/ruby/lib/test/unit/parallel.rb: TestSetTraceFunc#test_tracepoint_thread

  • Loaded features:

Some worker was crashed. It seems ruby interpreter's bug
or, a bug of test/unit/parallel.rb. try again without -j
option.

make: *** [yes-test-all] Error 1

以下のパッチを当てると落ちなくなるので、パイプの読み込み部分があやしそうですが……。

diff --git a/lib/test/unit/parallel.rb b/lib/test/unit/parallel.rb
index d189183..b044792 100644
--- a/lib/test/unit/parallel.rb
+++ b/lib/test/unit/parallel.rb
@@ -34,8 +34,13 @@ module Test

     th = Thread.new do
       begin
  •        while buf = (self.verbose ? i.gets : i.read(5))
    
  •          _report "p", buf
    
  •        buf = i.read
    
  •        if self.verbose
    
  •          buf.each_line{|l|
    
  •          _report "p", l
    
  •          }
    
  •        else
    
  •          raise
           end
         rescue IOError
         rescue Errno::EPIPE
    

Related issues 1 (0 open1 closed)

Related to Ruby master - Bug #7590: parallel test-all で test_settracefunc が cfp consistency errorClosedko1 (Koichi Sasada)12/19/2012Actions
Actions #1

Updated by tarui (Masaya Tarui) almost 10 years ago

  • Status changed from Open to Closed
  • % Done changed from 0 to 100

This issue was solved with changeset r38464.
Yui, thank you for reporting this issue.
Your contribution to Ruby is greatly appreciated.
May Ruby be with you.


Updated by kosaki (Motohiro KOSAKI) almost 10 years ago

あれ、まだ起きるような。
うちのx86_64 linuxだと以下のように vm_call_cfunc - cfp consistency error でrb_bugして、その延長でsegv.
ところで、一般論としてcfp consistency errorが起きてる時に ruby level backtraceが採取できる可能性はないんじゃないですかね。

#0 0x00007f0bedb7fec3 in fill_lines (num_traces=23,
traces=0x7f0bede50060, syms=0x7f0bee141eb0, check_debuglink=1,
current_line=0x7f0bee1427a0, lines=0x7f0bee1427a0)
at ../addr2line.c:513
#1 0x00007f0bedb80219 in rb_dump_backtrace_with_lines (num_traces=23,
trace=0x7f0bede50060, syms=0x7f0bee141eb0) at ../addr2line.c:605
#2 0x00007f0bedb6b97f in rb_vm_bugreport () at ../vm_dump.c:648
#3 0x00007f0beda11f79 in report_bug (
file=0x7f0bee203fe0 "/home/kosaki/ruby/git/lib/minitest/unit.rb",
line=912, fmt=0x7f0bedba37ff "Segmentation fault",
args=0x7f0bee068880) at ../error.c:306
#4 0x00007f0beda120b7 in rb_bug (fmt=0x7f0bedba37ff "Segmentation fault")
at ../error.c:325
#5 0x00007f0bedae3c39 in sigsegv (sig=11, info=0x7f0bee068af0,
ctx=0x7f0bee0689c0) at ../signal.c:649
#6
#7 0x00007f0bedb7fec3 in fill_lines (num_traces=16,
traces=0x7f0bede50060, syms=0x7f0bee66ab00, check_debuglink=1,
current_line=0x7f0bee66b150, lines=0x7f0bee66b150)
at ../addr2line.c:513
#8 0x00007f0bedb80219 in rb_dump_backtrace_with_lines (num_traces=16,
trace=0x7f0bede50060, syms=0x7f0bee66ab00) at ../addr2line.c:605
#9 0x00007f0bedb6b97f in rb_vm_bugreport () at ../vm_dump.c:648
#10 0x00007f0beda11f79 in report_bug (
file=0x7f0bee203fe0 "/home/kosaki/ruby/git/lib/minitest/unit.rb",
line=912, fmt=0x7f0bedba9aa8 "vm_call_cfunc - cfp consistency error",
args=0x7fff16fcf500) at ../error.c:306
#11 0x00007f0beda120b7 in rb_bug (
fmt=0x7f0bedba9aa8 "vm_call_cfunc - cfp consistency error")
at ../error.c:325
#12 0x00007f0bedb53530 in vm_call_cfunc_with_frame (th=0x7f0bedffe5b0,
reg_cfp=0x7f0bed99eeb0, ci=0x7f0bee17b750) at ../vm_insnhelper.c:1422
#13 0x00007f0bedb537cc in vm_call_cfunc (th=0x7f0bedffe5b0,
reg_cfp=0x7f0bed99eeb0, ci=0x7f0bee17b750) at ../vm_insnhelper.c:1509
#14 0x00007f0bedb545b6 in vm_call_method (th=0x7f0bedffe5b0,
cfp=0x7f0bed99eeb0, ci=0x7f0bee17b750) at ../vm_insnhelper.c:1683
#15 0x00007f0bedb54d71 in vm_call_general (th=0x7f0bedffe5b0,
reg_cfp=0x7f0bed99eeb0, ci=0x7f0bee17b750) at ../vm_insnhelper.c:1832
#16 0x00007f0bedb58951 in vm_exec_core (th=0x7f0bedffe5b0, initial=0)
at ../insns.def:996
#17 0x00007f0bedb67785 in vm_exec (th=0x7f0bedffe5b0) at ../vm.c:1169
#18 0x00007f0bedb6879b in rb_iseq_eval_main (iseqval=139689214591600)
at ../vm.c:1417
#19 0x00007f0beda178c8 in ruby_exec_internal (n=0x7f0bee03c270)
at ../eval.c:250
#20 0x00007f0beda179db in ruby_exec_node (n=0x7f0bee03c270)
at ../eval.c:315
#21 0x00007f0beda179ae in ruby_run_node (n=0x7f0bee03c270)
at ../eval.c:307
#22 0x00007f0bed9d8ef9 in main (argc=6, argv=0x7fff16fd0898)
at ../main.c:36

Updated by kosaki (Motohiro KOSAKI) almost 10 years ago

あ、taruiさんが #7590としてすでに報告済みでした。そちらに転記しておきます

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