關于gdb調試core文件總是一堆問號的問題

問題描述：已經在編譯選項中加入了-g，但是查看core文件時，還是一堆問號，使用的命令為:gdb -c core

?

解決方案：由于gdb -c core這樣的使用在有些系統下支持不是很好，所以推薦用如下兩種方法：

1) gdb exe

(gdb) core-file core

?

2) gdb -c core

(gdb) file exe

而其中第二種方法在某些系統上也是不好用的，所以就用第一種即可。

Pre-Condition: ulimit -c unlimited[root@localhost CMarketServer_dist]# gdb -c core.18669 GNU gdb (GDB) Red Hat Enterprise Linux (7.2-83.el6) 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-redhat-linux-gnu". For bug reporting instructions, please see: <http://www.gnu.org/software/gdb/bugs/>. Missing separate debuginfo for the main executable file Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/3a/1542385962343e7f59102500bd59549476af63 [New Thread 18682] [New Thread 18680] [New Thread 18690] [New Thread 18671] [New Thread 18675] [New Thread 18684] [New Thread 18673] [New Thread 18683] [New Thread 18670] [New Thread 18681] [New Thread 18692] [New Thread 18672] [New Thread 18674] [New Thread 18685] [New Thread 18686] [New Thread 18669] [New Thread 18688] [New Thread 18693] [New Thread 18676] [New Thread 18691] [New Thread 18687] [New Thread 18679] [New Thread 18678] [New Thread 18677] [New Thread 18689] Core was generated by `./CMarketServer'. Program terminated with signal 11, Segmentation fault. #0 0x00007f01d0000078 in ?? () (gdb) file ./CMarketServer Reading symbols from /home/artogrid/workspace/deploy/CMarketServer_dist/CMarketServer...done. (gdb) set solib-search-path . Missing separate debuginfo for /usr/local/lib/liblog4cxx.so.10 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/0e/139ae220b73d9a39339f1bace6a96a38c1c44a warning: Ignoring non-absolute filename: <libqpid_engine.so> Missing separate debuginfo for libqpid_engine.so Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/45/564f720db2e65548b71adb8b24b8c36b19d2f5 warning: Ignoring non-absolute filename: <libsdbus.so> Missing separate debuginfo for libsdbus.so Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/49/927fc4c9a557d91e5165200d6878c62c95b4d2 Missing separate debuginfo for /usr/local/lib/libboost_locale.so.1.55.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/3b/b08849d6e8b2365a28900cf050305ec037d729 Missing separate debuginfo for /usr/local/lib/libboost_regex.so.1.55.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/3d/7679511258d9ca1d23bf068dd95708a91efd8a Missing separate debuginfo for /usr/local/lib/libboost_thread.so.1.55.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/59/21d90d955afa476af8906b19f16e8cf15f9a8b Missing separate debuginfo for /usr/local/lib/libboost_system.so.1.55.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/8f/d6d6d4c63d820c16960a54d32c925ab1585a67 Missing separate debuginfo for /root/libs/lib/libaprutil-1.so.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/d2/190161fce4d5f32576cc1e776e865e551b66cd Missing separate debuginfo for /root/libs/lib/libexpat.so.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/fb/ea75911a6345eb5061b8d89df36d60cb15c48e Missing separate debuginfo for /root/libs/lib/libapr-1.so.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/16/46922411e943bbb119952f475d76a1c67c56fc warning: Ignoring non-absolute filename: <libqpidtypes.so.1> Missing separate debuginfo for libqpidtypes.so.1 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/e1/9e52e4b7d04501a5309ab5923f402c445807eb warning: Ignoring non-absolute filename: <libqpidcommon.so.2> Missing separate debuginfo for libqpidcommon.so.2 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/d0/cf0f6814e72049c0b69d0cc119531f3b236a54 warning: Ignoring non-absolute filename: <libqpidclient.so.2> Missing separate debuginfo for libqpidclient.so.2 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/75/f8bb0ae45aa2d66a49ec3c92fbae4e878b81b6 warning: Ignoring non-absolute filename: <libqpidmessaging.so.2> Missing separate debuginfo for libqpidmessaging.so.2 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/d9/18989eba408d27aeddb06c205dff9314b5c1a5 Missing separate debuginfo for /usr/local/lib/libboost_atomic.so.1.55.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/3c/106c0c4e106d976010c740f1d1148789bf0f2e Missing separate debuginfo for /usr/local/lib/libboost_program_options.so.1.55.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/b4/a7ea00fdb097880a77fad834ec9a53b34a88ed Missing separate debuginfo for /usr/local/lib/libboost_filesystem.so.1.55.0 Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/85/14d44761aee9411fd89113fe1610ce35913443 Missing separate debuginfo for Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/24/26d85978796c7ed259cdc601a7c310c339a21c [Thread debugging using libthread_db enabled] Missing separate debuginfos, use: debuginfo-install glibc-2.12-1.166.el6_7.3.x86_64 libgcc-4.4.7-16.el6.x86_64 libstdc++-4.4.7-16.el6.x86_64 libuuid-2.17.2-12.18.el6.x86_64 nss-softokn-freebl-3.14.3-23.el6_7.x86_64 (gdb) list 13 #include "service/send_service.h" 14 #include "service/service_manager.h" 15 #include "service/publish_manager.h" 16 #include "engine/qpid_engine.h" 17 #include "config.h" 18 #include <boost/thread.hpp> 19 20 int main( int argc, char * argv[] ) 21 { 22 engine::qpid::EngineInitializer qpid_engine; (gdb) bt #0 0x00007f01d0000078 in ?? () #1 0x00000000004aed47 in ConnPool::createConnection (this=0x7f01d0001560) at db/connection_pool.cpp:82 #2 0x00000000004ae7ee in ConnPool::initConnPool (this=0x7f01d0001560, size=5) at db/connection_pool.cpp:50 #3 0x00000000004adcfe in ConnPool::ConnPool (this=0x7f01d0001560, url="(\340+\001\000\000\000\000\020\026\000\320\001\177\000\000\230^)\001\000\000\000\000\350\030\000\320\001\177\000\000h\330+\001\000\000\000\000`\035\000\320\005\000\000\000\300\025\000\320\001\177\000\000\240?\362\001\177\000\000\300?\362\001\177\000\000\000\000\000\000\000\000\000\000\340?\362\001\177\000\000\213\061E\000\000\000\000\000 ?\362\001\177\000\000yS\351\031\002\177\000\000`\221,\001\000\000\000\000 \000\000\320\001\177\000\000u\000\000\000\000\000\000\000\300\025\000\320\001\177\000\000\300?\362\016\000\000\000\003", '\000' <repeats 39 times>"\320, \030\000\320\001\177\000\000\b\000\000\000\000\000\000\000`\035\000\320\001\177\000\000`\035\000\320\001\177\000\000`\037\000\320\001\177\000\000\350\030\000\320\001\177\000\000`\035\000\320\001\177\000\000`\035\000\320\001\177\000\000`\037\000\320\001\177\000\000\350\030\000\320\001\177"..., username="\230^)\001\000\000\000\000\350\030\000\320\001\177\000\000h\330+\001\000\000\000\000`\035\000\320\005\000\000\000\300\025\000\320\001\177\000\000\240?\362\001\177\000\000\300?\362\001\177\000\000\000\000\000\000\000\000\000\000\340?\362\001\177\000\000\213\061E\000\000\000\000\000 ?\362\001\177\000\000yS\351\031\002\177\000\000`\221,\001\000\000\000\000 \000\000\320\001\177\000\000u\000\000\000\000\000\000\000\300\025\000\320\001\177\000\000\300?\362\016\000\000\000\003", '\000' <repeats 39 times>"\320, \030\000\320\001\177\000\000\b\000\000\000\000\000\000\000`\035\000\320\001\177\000\000`\035\000\320\001\177\000\000`\037\000\320\001\177\000\000\350\030\000\320\001\177\000\000`\035\000\320\001\177\000\000`\035\000\320\001\177\000\000`\037\000\320\001\177\000\000\350\030\000\320\001\177\000\000\003\000\000\000\000\000\000\000\034[\351\031\002"..., passwd="", size=5) at db/connection_pool.cpp:22 #4 0x00000000004ae676 in ConnPool::getInstance () at db/connection_pool.cpp:38 #5 0x000000000045318b in DBConnector::DBConnector (this=0x7f01d00015c0) at db/dbconnector.cpp:22 #6 0x00000000004530b5 in DBConnector::getInstance () at db/dbconnector.cpp:14 #7 0x000000000044585b in QuoteBusiness::GetQuotesCount (this=0x7f01f2bfc6a0, cond=...) at quote_business.cpp:38 #8 0x000000000043cdf1 in QuoteService::GetQuoteList (this=0x12d7080, msg=0x7f01f2bfcb30, reply=...) at quote_service.cpp:83 #9 0x000000000043c3c8 in QuoteService::processReqMsg (this=0x12d7080, msg=0x7f01f2bfcb30) at quote_service.cpp:29 #10 0x000000000047fe7a in Service::threadReqMsg (this=0x12d7080) at service/service.cpp:83 #11 0x00000000004838d7 in boost::_mfi::mf0<void, Service>::operator() (this=0x12d9260, p=0x12d7080) at /usr/local/include/boost/bind/mem_fn_template.hpp:49 #12 0x00000000004833be in boost::_bi::list1<boost::_bi::value<Service*> >::operator()<boost::_mfi::mf0<void, Service>, boost::_bi::list0> (this=0x12d9270, f=..., a=...) at /usr/local/include/boost/bind/bind.hpp:253 #13 0x00000000004830fd in boost::_bi::bind_t<void, boost::_mfi::mf0<void, Service>, boost::_bi::list1<boost::_bi::value<Service*> > >::operator() (this=0x12d9260) at /usr/local/include/boost/bind/bind_template.hpp:20 #14 0x0000000000482a3d in boost::detail::function::void_function_obj_invoker0<boost::_bi::bind_t<void, boost::_mfi::mf0<void, Service>, boost::_bi::list1<boost::_bi::value<Service*> > >, void>::invoke (function_obj_ptr=...)at /usr/local/include/boost/function/function_template.hpp:153 #15 0x000000000045c75d in boost::function0<void>::operator() (this=0x12d9258) at /usr/local/include/boost/function/function_template.hpp:767 #16 0x000000000045c436 in boost::detail::thread_data<boost::function0<void> >::run (this=0x12d90a0) at /usr/local/include/boost/thread/detail/thread.hpp:117 #17 0x00007f02197eaab3 in thread_proxy () from /usr/local/lib/libboost_thread.so.1.55.0 #18 0x00007f02199fda51 in start_thread () from /lib64/libpthread.so.0 #19 0x00007f0219f0393d in clone () from /lib64/libc.so.6 (gdb) up #1 0x00000000004aed47 in ConnPool::createConnection (this=0x7f01d0001560) at db/connection_pool.cpp:82 82 conn = driver_->connect(connection_properties); (gdb) down #0 0x00007f01d0000078 in ?? () (gdb) up #1 0x00000000004aed47 in ConnPool::createConnection (this=0x7f01d0001560) at db/connection_pool.cpp:82 82 conn = driver_->connect(connection_properties); (gdb) p connection_properties $1 = std::map with 4 elements = {[{realStr = "OPT_RECONNECT", static npos = 18446744073709551615}] = {variant = 0x7f01d0001da0},[{realStr = "hostName", static npos = 18446744073709551615}] = {variant = 0x7f01d0001770},[{realStr = "password", static npos = 18446744073709551615}] = {variant = 0x7f01d0001370},[{realStr = "userName", static npos = 18446744073709551615}] = {variant = 0x7f01d00017b0} } (gdb) p driver_ $2 = (sql::mysql::MySQL_Driver *) 0x7f01d0001490 (gdb) quit

https://blog.csdn.net/cloud_castle/article/details/50833251

https://blog.csdn.net/tina_tian1/article/details/49869613

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