Hi Dimitri --
No, sorry, it is still segfaulting. Let me know if there's anything else I can
try for you.
Also, it segfaults if I set DOT_NUM_THREADS to 2 or 4. If I use 2 threads, then
the number of dot graphs it completes fluctuates.
Amos.
On Jan 24, 2013, at 1:32 PM, Dimitri van Heesch <doxy...@gmail.com> wrote:
> Hi Amos,
>
> Interesting trace. Can you check if the following patch fixes this race
> condition for you?
>
> -----------------------------------------------------------------------------
> --- dot.cpp.org 2013-01-20 13:54:23.000000000 +0100
> +++ dot.cpp 2013-01-24 22:28:37.000000000 +0100
> @@ -1142,7 +1142,7 @@
> {
> QMutexLocker locker(&m_mutex);
> m_queue.enqueue(runner);
> - m_bufferNotEmpty.wakeAll();
> + m_bufferNotEmpty.wakeOne();
> }
>
> DotRunner *DotRunnerQueue::dequeue()
> -----------------------------------------------------------------------------
>
> Regards,
> Dimitri
>
> On Jan 24, 2013, at 22:02 , Amos Anderson <amos.ander...@protabit.com> wrote:
>
>> Hello --
>>
>> Doxygen 1.8.3.1 is segfaulting on me. The exact same version works on my
>> other Linux machine and on OSX, and previous versions of doxygen work on
>> this particular machine too.
>>
>> The segfault goes away if I make this config file change:
>>
>>
>> -DOT_NUM_THREADS = 0
>> +DOT_NUM_THREADS = 1
>>
>>
>>
>> The output immediately preceding the segfault:
>> Generating annotated compound index...
>> Generating alphabetical compound index...
>> Generating hierarchical class index...
>> Generating graphical class hierarchy...
>> Generating member index...
>> Generating file index...
>> Generating file member index...
>> Generating example index...
>> finalizing index lists...
>> Generating dot graphs using 9 parallel threads...
>>
>>
>> The version of dot I'm using:
>>
>>> dot -v
>> dot - graphviz version 2.30.0 (20130124.0007)
>>
>>
>>
>> The gdb output:
>>
>> [yoda]/home/amosa/src/doxygen-1.8.3.1> gdb --pid=29784
>> GNU gdb (GDB) Red Hat Enterprise Linux (7.0.1-37.el5)
>> Copyright (C) 2009 Free Software Foundation, Inc.
>> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
>> This is free software: you are free to change and redistribute it.
>> There is NO WARRANTY, to the extent permitted by law. Type "show copying"
>> and "show warranty" for details.
>> This GDB was configured as "x86_64-redhat-linux-gnu".
>> For bug reporting instructions, please see:
>> <http://www.gnu.org/software/gdb/bugs/>.
>> Attaching to process 29784
>> Reading symbols from /home/amosa/bin/doxygen...done.
>> Reading symbols from /opt/mpi/openmpi/1.5.4/gcc/lib64/libmpi.so...done.
>> Loaded symbols for /opt/mpi/openmpi/1.5.4/gcc/lib64/libmpi.so
>> Reading symbols from /lib64/libpthread.so.0...(no debugging symbols
>> found)...done.
>> [Thread debugging using libthread_db enabled]
>> Loaded symbols for /lib64/libpthread.so.0
>> Reading symbols from /usr/lib64/libstdc++.so.6...(no debugging symbols
>> found)...done.
>> Loaded symbols for /usr/lib64/libstdc++.so.6
>> Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
>> Loaded symbols for /lib64/libm.so.6
>> Reading symbols from /lib64/libgcc_s.so.1...(no debugging symbols
>> found)...done.
>> Loaded symbols for /lib64/libgcc_s.so.1
>> Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
>> Loaded symbols for /lib64/libc.so.6
>> Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.
>> Loaded symbols for /lib64/libdl.so.2
>> Reading symbols from /lib64/libnsl.so.1...(no debugging symbols
>> found)...done.
>> Loaded symbols for /lib64/libnsl.so.1
>> Reading symbols from /lib64/libutil.so.1...(no debugging symbols
>> found)...done.
>> Loaded symbols for /lib64/libutil.so.1
>> Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols
>> found)...done.
>> Loaded symbols for /lib64/ld-linux-x86-64.so.2
>>
>> warning: no loadable sections found in added symbol-file system-supplied DSO
>> at 0x7fff97b89000
>> opal_memory_ptmalloc2_int_malloc (av=0x2b1fc09393c0, bytes=24) at
>> malloc.c:3938
>> 3938 malloc.c: No such file or directory.
>> in malloc.c
>> (gdb) where
>> #0 opal_memory_ptmalloc2_int_malloc (av=0x2b1fc09393c0, bytes=24) at
>> malloc.c:3938
>> #1 0x00002b1fc06be967 in opal_memory_ptmalloc2_malloc (bytes=24) at
>> malloc.c:3432
>> #2 0x000000359f4bd1dd in operator new(unsigned long) () from
>> /usr/lib64/libstdc++.so.6
>> #3 0x00000000007120a2 in QGList::append (this=0x1c7815c0, d=0x7fff97b4e1c0)
>> at qglist.cpp:366
>> #4 0x000000000071233b in QGListIterator::QGListIterator
>> (this=0x7fff97b4e1c0, l=...) at qglist.cpp:1063
>> #5 0x000000000048d059 in QListIterator<BaseClassDef>::QListIterator
>> (this=0x7fff97b4e1c0, l=...)
>> at ../qtools/qlist.h:111
>> #6 0x000000000048d079 in BaseClassListIterator::BaseClassListIterator
>> (this=0x7fff97b4e1c0, bcl=...) at classdef.h:519
>> #7 0x000000000062938a in ClassDef::isBaseClass (this=0x1c82fa10,
>> bcd=0x1c841940, followInstances=true, level=0)
>> at classdef.cpp:2584
>> #8 0x0000000000629493 in ClassDef::isAccessibleMember (this=0x1c82fa10,
>> md=0x1c969670) at classdef.cpp:3787
>> #9 0x00000000005e93dd in isAccessibleFrom (scope=0x1c82fa10,
>> fileScope=0x1c6a8a30, item=0x1c969670) at util.cpp:966
>> #10 0x00000000005e9721 in isAccessibleFromWithExpScope (scope=0x1c82fa10,
>> fileScope=0x1c6a8a30, item=0x1c969670,
>> explicitScopePart=...) at util.cpp:1054
>> #11 0x00000000005eb3e3 in substTypedef (scope=0x1c82fa10,
>> fileScope=0x1c6a8a30, name=..., pTypeDef=0x7fff97b4e4d0)
>> at util.cpp:690
>> #12 0x00000000005e8dfd in followPath (start=0x1c60c3f0,
>> fileScope=0x1c6a8a30, path=...) at util.cpp:761
>> #13 0x00000000005e97f9 in isAccessibleFromWithExpScope (scope=0x1c60c3f0,
>> fileScope=0x1c6a8a30, item=0x1d0db1e0,
>> explicitScopePart=...) at util.cpp:1069
>> #14 0x00000000005e9be5 in isAccessibleFromWithExpScope (scope=0x1c892100,
>> fileScope=0x1c6a8a30, item=0x1d0db1e0,
>> explicitScopePart=...) at util.cpp:1187
>> #15 0x00000000005e9be5 in isAccessibleFromWithExpScope (scope=0x1c82fa10,
>> fileScope=0x1c6a8a30, item=0x1d0db1e0,
>> explicitScopePart=...) at util.cpp:1187
>> #16 0x00000000005ea076 in getResolvedSymbol (scope=0x1c82fa10,
>> fileScope=0x1c6a8a30, d=0x1d0db1e0,
>> explicitScopePart=..., actTemplParams=0x7fff97b4e930,
>> minDistance=@0x7fff97b4e99c, bestMatch=@0x7fff97b4e9c8,
>> bestTypedef=@0x7fff97b4e9c0, bestTemplSpec=..., bestResolvedType=...) at
>> util.cpp:1230
>> #17 0x00000000005eab76 in getResolvedClassRec (scope=0x1c82fa10,
>> fileScope=0x1c6a8a30,
>> n=0x1d6bd9f0 "ads::NotEqualToByHandle::Base::result_type", pTypeDef=0x0,
>> pTemplSpec=0x0, pResolvedType=0x0)
>> at util.cpp:1509
>> #18 0x00000000005eaf07 in getResolvedClass (scope=0x1c82fa10,
>> fileScope=0x1c6a8a30,
>> n=0x1d6bd9f0 "ads::NotEqualToByHandle::Base::result_type", pTypeDef=0x0,
>> pTemplSpec=0x0, mayBeUnlinkable=false,
>> mayBeHidden=false, pResolvedType=0x0) at util.cpp:1586
>> #19 0x0000000000638e83 in stripClassName (s=0x1d8beee0 "Base::result_type",
>> d=0x1c82fa10) at code.l:686
>> #20 0x0000000000639f7d in generateClassMemberLink (ol=..., xmd=0x1c941ca0,
>> memName=0x2b1fc47a366d "result_type")
>> at code.l:1145
>> #21 0x000000000063d0fb in generateFunctionLink (ol=...,
>> funcName=0x2b1fc47a366d "result_type") at code.l:1321
>> #22 0x000000000064218c in codeYYlex () at code.l:2533
>> #23 0x0000000000647d32 in parseCCode (od=..., className=0x0, s=...,
>> exBlock=false, exName=0x0, fd=0x1c6a8a30,
>> startLine=-1, endLine=-1, inlineFragment=false, memberDef=0x0,
>> showLineNumbers=true, searchCtx=0x0) at code.l:3631
>> #24 0x00000000005956dd in CLanguageScanner::parseCode (this=0x1c5d8590,
>> codeOutIntf=..., scopeName=0x0, input=...,
>> isExampleBlock=false, exampleName=0x0, fileDef=0x1c6a8a30, startLine=-1,
>> endLine=-1, inlineFragment=false,
>> memberDef=0x0, showLineNumbers=true, searchCtx=0x0) at scanner.l:6471
>> #25 0x000000000043e7f3 in FileDef::writeSource (this=0x1c6a8a30, ol=...) at
>> filedef.cpp:852
>> #26 0x000000000040429d in generateFileSources () at doxygen.cpp:7460
>> #27 0x000000000042662c in generateOutput () at doxygen.cpp:10690
>> #28 0x00000000004030bc in main (argc=2, argv=0x7fff97b4fab8) at main.cpp:38
>> (gdb) continue
>> Continuing.
>> [New Thread 0x41ec8940 (LWP 29806)]
>> [New Thread 0x428c9940 (LWP 29807)]
>> [New Thread 0x432ca940 (LWP 29808)]
>> [New Thread 0x43ccb940 (LWP 29809)]
>> [New Thread 0x446cc940 (LWP 29810)]
>> [New Thread 0x450cd940 (LWP 29811)]
>> [New Thread 0x45ace940 (LWP 29812)]
>> [New Thread 0x464cf940 (LWP 29813)]
>> [New Thread 0x46ed0940 (LWP 29814)]
>> Detaching after fork from child process 29858.
>> Detaching after fork from child process 29859.
>> Detaching after fork from child process 29860.
>> Detaching after fork from child process 29861.
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> [Switching to Thread 0x432ca940 (LWP 29808)]
>> 0x000000358c671e0a in _int_free () from /lib64/libc.so.6
>> (gdb) backtrace
>> #0 0x000000358c671e0a in _int_free () from /lib64/libc.so.6
>> #1 0x000000358c676192 in free_atfork () from /lib64/libc.so.6
>> #2 0x000000358c672941 in free () from /lib64/libc.so.6
>> #3 0x0000000000712ccf in QGList::takeFirst (this=0x1e5d95f8) at
>> qglist.cpp:628
>> #4 0x00000000006c84bd in QQueue<DotRunner>::dequeue (this=0x1e5d95f8) at
>> ../qtools/qqueue.h:59
>> #5 0x00000000006c368b in DotRunnerQueue::dequeue (this=0x1e5d95f0) at
>> dot.cpp:1156
>> #6 0x00000000006c5ebc in DotWorkerThread::run (this=0x1e5d7700) at
>> dot.cpp:1177
>> #7 0x00000000007420ec in QThreadPrivate::start (arg=0x1e5d7700) at
>> qthread_unix.cpp:87
>> #8 0x000000358d20673d in start_thread () from /lib64/libpthread.so.0
>> #9 0x000000358c6d44bd in clone () from /lib64/libc.so.6
>> (gdb) info frame
>> Stack level 0, frame at 0x432c9f70:
>> rip = 0x358c671e0a in _int_free; saved rip 0x358c676192
>> called by frame at 0x432c9fb0
>> Arglist at 0x432c9ed8, args:
>> Locals at 0x432c9ed8, Previous frame's sp is 0x432c9f70
>> Saved registers:
>> rbx at 0x432c9f38, rbp at 0x432c9f40, r12 at 0x432c9f48, r13 at 0x432c9f50,
>> r14 at 0x432c9f58, r15 at 0x432c9f60,
>> rip at 0x432c9f68
>> (gdb) up
>> #1 0x000000358c676192 in free_atfork () from /lib64/libc.so.6
>> (gdb) up
>> #2 0x000000358c672941 in free () from /lib64/libc.so.6
>> (gdb) up
>> #3 0x0000000000712ccf in QGList::takeFirst (this=0x1e5d95f8) at
>> qglist.cpp:628
>> 628 delete n;
>> (gdb) info frame
>> Stack level 3, frame at 0x432ca020:
>> rip = 0x712ccf in QGList::takeFirst (qglist.cpp:628); saved rip 0x6c84bd
>> called by frame at 0x432ca040, caller of frame at 0x432c9ff0
>> source language c++.
>> Arglist at 0x432ca010, args: this=0x1e5d95f8
>> Locals at 0x432ca010, Previous frame's sp is 0x432ca020
>> Saved registers:
>> rbp at 0x432ca010, rip at 0x432ca018
>> (gdb) info locals
>> n = 0x1e8e9c10
>> d = 0x1e5e13f0
>> (gdb)
>>
>>
>>
>>
>> ------------------------------------------------------------------------------
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>> MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current
>> with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft
>> MVPs and experts. ON SALE this month only -- learn more at:
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>> _______________________________________________
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------------------------------------------------------------------------------
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MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current
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