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我正在研究多線程應用程序時，永遠的過程轉儲它總是生成核心，如下所示我不能夠了解它實際上傾倒的地方。不能爲analayze多線程應用程序的核心轉儲問題.........（需要幫助）
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This GDB was configured as "x86_64-redhat-linux-gnu"...(no debugging symbols found)
Using host libthread_db library "/lib64/libthread_db.so.1".
warning: exec file is newer than core file.
Core was generated by `multithreadprocess '.
Program terminated with signal 11, Segmentation fault.
#0 0x0000000000448f7a in std::ostream::operator<<()
(gdb) where
0x000000000044bd32 in std::ostream::operator<<()
#1 0x0000000000450b21 in std::ostream::operator<<()
#2 0x000000000042eda9 in std::string::operator=()
#3 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
#4 0x00000030576ce3bd in clone() from /lib64/libc.so.6
(gdb)thread apply all bt
Thread 6 (process 11674):
#0 0x000000305820a687 in [email protected]@GLIBC_2.3.2() from /lib64/libpthread.so.0
#1 0x0000000000431140 in std::string::operator=()
#2 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
#3 0x00000030576ce3bd in clone() from /lib64/libc.so.6
Thread 5 (process 11683):
#0 0x000000305820cbfb in write() from /lib64/libpthread.so.0
#1 0x0000000000449151 in std::ostream::operator<<()
#2 0x000000000043b74a in std::string::operator=()
#3 0x000000000046c3f4 in std::string::substr()
#4 0x000000000046e3c1 in std::string::substr()
#5 0x00000000004305a4 in std::string::operator=()
#6 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
#7 0x00000030576ce3bd in clone() from /lib64/libc.so.6
Thread 4 (process 11744):
#0 0x00000030576c5896 in poll() from /lib64/libc.so.6
#1 0x0000000000474f1c in std::string::substr()
#2 0x000000000043b889 in std::string::operator=()
#3 0x0000000000474dbc in std::string::substr()
#4 0x00000000004306a5 in std::string::operator=()
#5 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
#6 0x00000030576ce3bd in clone() from /lib64/libc.so.6
Thread 3 (process 11864):
#0 0x000000305820a687 in [email protected]@GLIBC_2.3.2() from /lib64/libpthread.so.0
#1 0x0000000000431140 in std::string::operator=()
#2 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
#3 0x00000030576ce3bd in clone() from /lib64/libc.so.6
Thread 2 (process 11866):
#0 0x000000305820a687 in [email protected]@GLIBC_2.3.2() from /lib64/libpthread.so.0
#1 0x0000000000431140 in std::string::operator=()
#2 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
#3 0x00000030576ce3bd in clone() from /lib64/libc.so.6
Thread 1 (process 11865):
#0 0x000000000044bd32 in std::ostream::operator<<()
#1 0x0000000000450b21 in std::ostream::operator<<()
#2 0x000000000042eda9 in std::string::operator=()
#3 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
#4 0x00000030576ce3bd in clone() from /lib64/libc.so.6
如果我給全bt後它顯示像這樣
(gdb) bt full
#0 0x000000000044bd32 in std::ostream::operator<<()
No symbol table info available.
#1 0x0000000000450b21 in std::ostream::operator<<()
No symbol table info available.
#2 0x000000000042eda9 in std::string::operator=()
No symbol table info available.
#3 0x00000030582062e7 in start_thread() from /lib64/libpthread.so.0
No symbol table info available.
#4 0x00000030576ce3bd in clone() from /lib64/libc.so.6
No symbol table info available.
注意：「警告：exec文件比核心文件更新。」你最好重新運行你現在擁有的可執行文件。 – Drakosha 2010-02-22 14:59:05
所有列出的行看起來都來自標準庫 - 我建議用符號重新編譯代碼，如果可能直接在gdb中重現崩潰。 – 2010-02-22 15:16:14