Re: [Cppcms-users] Segmentation fault
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Re: [Cppcms-users] Segmentation fault
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From: Mario P. <mp...@us...> - 2010-10-21 07:53:15
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2010-10-20 23:21 +0200, Artyom wrote: > I hadn't reproduced the crash bug, but there is other but that seems to be > related, > I'm working on it that may cause the crash. > > Also can you send me the backtrace of the crash? > > You can do it with gdb this way: > Compile with "-g" switch and then in gdb > >> r -c config.js > --- Observer Crash >> bt > ..... this is trace > > > Artyom > Here it is: $ g++ -g -o bench bench.cpp -Wall -I/home/mario/cppcms/include -L/home/mario/cppcms/lib -lcppcms -lbooster $ LD_LIBRARY_PATH=/home/mario/cppcms/lib gdb ./bench GNU gdb (GDB) 7.2-debian Copyright (C) 2010 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-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>... Reading symbols from /home/mario/cppcms/bench...done. (gdb) r -c config.js Starting program: /home/mario/cppcms/bench -c config.js [Thread debugging using libthread_db enabled] [New Thread 0x7ffff45a1710 (LWP 2739)] [New Thread 0x7ffff3da0710 (LWP 2740)] [New Thread 0x7ffff359f710 (LWP 2741)] [New Thread 0x7ffff2d9e710 (LWP 2742)] [New Thread 0x7ffff259d710 (LWP 2743)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7ffff359f710 (LWP 2741)] 0x00007ffff7a88708 in cppcms::impl::cgi::connection::write (this=0x648c60, data=<value optimized out>, n=16384) at /home/mario/isla/cppcms-0.99.3/src/cgi_api.cpp:476 476 size_t d=write_some(p,n); (gdb) bt #0 0x00007ffff7a88708 in cppcms::impl::cgi::connection::write (this=0x648c60, data=<value optimized out>, n=16384) at /home/mario/isla/cppcms-0.99.3/src/cgi_api.cpp:476 #1 0x00007ffff7a99423 in write (this=0x649610) at /home/mario/isla/cppcms-0.99.3/src/http_response.cpp:83 #2 write<cppcms::http::<unnamed>::output_device> (this=0x649610) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/write.hpp:121 #3 write<cppcms::http::<unnamed>::output_device> (this=0x649610) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/write.hpp:53 #4 write<cppcms::http::<unnamed>::output_device, cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > > (this=0x649610) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/adapter/concept_adapter.hpp:188 #5 write<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > > (this=0x649610) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/adapter/concept_adapter.hpp:82 #6 cppcms_boost::iostreams::detail::indirect_streambuf<cppcms::http::<unnamed>::output_device, std::char_traits<char>, std::allocator<char>, cppcms_boost::iostreams::output>::sync_impl(void) (this=0x649610) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/streambuf/indirect_streambuf.hpp:392 #7 0x00007ffff7a99509 in cppcms_boost::iostreams::detail::indirect_streambuf<cppcms::http::<unnamed>::output_device, std::char_traits<char>, std::allocator<char>, cppcms_boost::iostreams::output>::sync(void) (this=0x648c60) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/streambuf/indirect_streambuf.hpp:312 #8 0x00007ffff7a993aa in cppcms_boost::iostreams::detail::indirect_streambuf<cppcms::http::<unnamed>::output_device, std::char_traits<char>, std::allocator<char>, cppcms_boost::iostreams::output>::close_impl(std::_Ios_Openmode) (this=0x649610, which=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/streambuf/indirect_streambuf.hpp:375 #9 0x00007ffff7a9ff35 in close (op=..., c0=...) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/streambuf/linked_streambuf.hpp:82 #10 operator() (op=..., c0=...) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/functional.hpp:116 #11 cppcms_boost::iostreams::detail::execute_all<cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > >, cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > > > (op=..., c0=...) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/preprocessor/iteration/detail/local.hpp:37 #12 0x00007ffff7a99725 in execute_all<cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > >, cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > >, cppcms_boost::iostreams::detail::reset_operation<cppcms_boost::iostreams::detail::optional<cppcms_boost::iostreams::detail::concept_adapter<cppcms::http::<unnamed>::output_device> > > > (op=..., c0=..., c1=..., c2=...) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/preprocessor/iteration/detail/local.hpp:40 #13 cppcms_boost::iostreams::detail::execute_all<cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > >, cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > >, cppcms_boost::iostreams::detail::reset_operat---Type <return> to continue, or q <return> to quit--- ion<cppcms_boost::iostreams::detail::optional<cppcms_boost::iostreams::detail::concept_adapter<cppcms::http::<unnamed>::output_device> > >, cppcms_boost::iostreams::detail::clear_flags_operation<int> >(cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > >, cppcms_boost::iostreams::detail::member_close_operation<cppcms_boost::iostreams::detail::linked_streambuf<char, std::char_traits<char> > >, cppcms_boost::iostreams::detail::reset_operation<cppcms_boost::iostreams::detail::optional<cppcms_boost::iostreams::detail::concept_adapter<cppcms::http::<unnamed>::output_device> > >, cppcms_boost::iostreams::detail::clear_flags_operation<int>) (op=..., c0=..., c1=..., c2=...) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/preprocessor/iteration/detail/local.hpp:43 #14 0x00007ffff7a99ad1 in close (this=0x648c60, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/detail/streambuf/indirect_streambuf.hpp:202 #15 cppcms_boost::iostreams::stream_buffer<cppcms::http::<unnamed>::output_device, std::char_traits<char>, std::allocator<char>, cppcms_boost::iostreams::output>::~stream_buffer(void) ( this=0x648c60, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/stream_buffer.hpp:90 #16 0x00007ffff7aa3504 in ~base_from_member (this=<value optimized out>, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/utility/base_from_member.hpp:67 #17 ~stream_base (this=<value optimized out>, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/stream.hpp:77 #18 ~stream (this=<value optimized out>, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/iostreams/stream.hpp:112 #19 ~_data (this=<value optimized out>, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/src/http_response.cpp:88 #20 booster::hold_ptr<cppcms::http::response::_data>::~hold_ptr (this=<value optimized out>, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/booster/hold_ptr.h:27 #21 0x00007ffff7a9a1c9 in cppcms::http::response::~response (this=0x648c60, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/src/http_response.cpp:124 #22 0x00007ffff7aa6e69 in ~auto_ptr (this=0x6216a0, __in_chrg=<value optimized out>) at /usr/include/c++/4.4/backward/auto_ptr.h:168 #23 ~_data (this=0x6216a0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/src/http_context.cpp:46 #24 ~hold_ptr (this=0x6216a0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/booster/hold_ptr.h:27 #25 cppcms::http::context::~context (this=0x6216a0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/src/http_context.cpp:208 #26 0x00007ffff7aa90e2 in checked_delete<cppcms::http::context> (this=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/booster/checked_delete.h:30 #27 booster::detail::sp_counted_impl_p<cppcms::http::context>::dispose (this=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/booster/smart_ptr/sp_counted_impl.h:51 #28 0x00007ffff775ba56 in booster::detail::sp_counted_base::release (this=0x611140) at /home/mario/isla/cppcms-0.99.3/booster/lib/smart_ptr/src/sp_counted_base.cpp:268 #29 0x00007ffff7aad8a0 in cppcms::application::recycle (this=0x648c60) at /home/mario/isla/cppcms-0.99.3/src/application.cpp:214 #30 0x00007ffff7aad92b in booster::intrusive_ptr_release (app=0x650500) at /home/mario/isla/cppcms-0.99.3/src/application.cpp:240 ---Type <return> to continue, or q <return> to quit--- #31 0x00007ffff7aa8be5 in ~intrusive_ptr (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/booster/intrusive_ptr.h:68 #32 ~value (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/bind/bind.hpp:113 #33 ~storage1 (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/bind/storage.hpp:41 #34 ~storage2 (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/bind/storage.hpp:77 #35 ~storage3 (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/bind/storage.hpp:126 #36 ~list3 (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/bind/bind.hpp:346 #37 ~bind_t (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/cppcms_boost/cppcms_boost/bind/bind.hpp:854 #38 callable_impl<void, cppcms_boost::_bi::bind_t<void, void (*)(booster::intrusive_ptr<cppcms::application>, std::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool), cppcms_boost::_bi::list3<cppcms_boost::_bi::value<booster::intrusive_ptr<cppcms::application> >, cppcms_boost::_bi::value<std::basic_string<char, std::char_traits<char>, std::allocator<char> > >, cppcms_boost::_bi::value<bool> > > >::~callable_impl (this=0x6505f0, __in_chrg=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/booster/function.h:163 #39 0x00007ffff7aaa229 in ~clone_ptr (this=0x6084e0) at /home/mario/isla/cppcms-0.99.3/booster/booster/clone_ptr.h:42 #40 ~function (this=0x6084e0) at /home/mario/isla/cppcms-0.99.3/booster/booster/function.h:16 #41 cppcms::impl::thread_pool::worker (this=0x6084e0) at /home/mario/isla/cppcms-0.99.3/src/thread_pool.cpp:110 #42 0x00007ffff774b29c in operator() (p=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/./booster/function.h:163 #43 booster::booster_thread_func (p=<value optimized out>) at /home/mario/isla/cppcms-0.99.3/booster/lib/thread/src/thread.cpp:33 #44 0x00007ffff63418ba in start_thread (arg=<value optimized out>) at pthread_create.c:300 #45 0x00007ffff6cb902d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112 #46 0x0000000000000000 in ?? () (gdb) Best regards, Mario |
