我有一個調用PyEnchant的多線程Python應用程序。我不是Python專家,大部分代碼都來自第三方。我所做的是添加代碼以從多線程應用程序中調用PyEnchant。由於我進行了更改,因此應用程序運行的時間長短不一,然後崩潰。我在Ubuntu 12.04上運行它。 我得到的錯誤,像這樣的:Python PyEnchant分割錯誤或無效指針
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffc5ffd700 (LWP 6858)]
0x00007ffff4424854 in ??() from /usr/lib/libenchant.so.1
(gdb) backtrace
#0 0x00007ffff4424854 in ??() from /usr/lib/libenchant.so.1
#1 0x00007ffff442517d in enchant_dict_check() from /usr/lib/libenchant.so.1
#2 0x00007ffff48a2ea4 in ffi_call_unix64() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#3 0x00007ffff48a28c5 in ffi_call() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#4 0x00007ffff48932c2 in _ctypes_callproc() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#5 0x00007ffff4893aa2 in ??() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#6 0x00000000004c7c76 in PyObject_Call()
#7 0x000000000042aa4a in PyEval_EvalFrameEx()
#8 0x000000000042abe2 in PyEval_EvalFrameEx()
#9 0x000000000042abe2 in PyEval_EvalFrameEx()
#10 0x00000000004317f2 in PyEval_EvalCodeEx()
#11 0x000000000054aa40 in ??()
#12 0x00000000004c7c76 in PyObject_Call()
#13 0x000000000049e9ba in ??()
#14 0x00000000004c7c76 in PyObject_Call()
#15 0x00000000004c7d36 in PyEval_CallObjectWithKeywords()
#16 0x0000000000443e3a in ??()
#17 0x000000000042a862 in PyEval_EvalFrameEx()
#18 0x000000000042abe2 in PyEval_EvalFrameEx()
#19 0x000000000042abe2 in PyEval_EvalFrameEx()
或
*** glibc detected *** /usr/bin/python: free(): invalid pointer: 0x00007fffd4000178 ***
(gdb) backtrace
#0 0x00007ffff68fa445 in raise() from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007ffff68fdbab in abort() from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007ffff6937e2e in ??() from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007ffff6942626 in ??() from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00007ffff4424861 in ??() from /usr/lib/libenchant.so.1
#5 0x00007ffff442517d in enchant_dict_check() from /usr/lib/libenchant.so.1
#6 0x00007ffff48a2ea4 in ffi_call_unix64() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#7 0x00007ffff48a28c5 in ffi_call() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#8 0x00007ffff48932c2 in _ctypes_callproc() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#9 0x00007ffff4893aa2 in ??() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#10 0x00000000004c7c76 in PyObject_Call()
#11 0x000000000042aa4a in PyEval_EvalFrameEx()
#12 0x000000000042abe2 in PyEval_EvalFrameEx()
#13 0x000000000042abe2 in PyEval_EvalFrameEx()
#14 0x00000000004317f2 in PyEval_EvalCodeEx()
#15 0x000000000054aa40 in ??()
#16 0x00000000004c7c76 in PyObject_Call()
#17 0x000000000049e9ba in ??()
#18 0x00000000004c7c76 in PyObject_Call()
#19 0x00000000004c7d36 in PyEval_CallObjectWithKeywords()
#20 0x0000000000443e3a in ??()
#21 0x000000000042a862 in PyEval_EvalFrameEx()
#22 0x000000000042abe2 in PyEval_EvalFrameEx()
或
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe57fa700 (LWP 17532)]
0x0000000000000000 in ??()
(gdb) backtrace
#0 0x0000000000000000 in ??()
#1 0x00007ffff3f5fe33 in g_hash_table_lookup() from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2 0x00007ffff44245a3 in ??() from /usr/lib/libenchant.so.1
#3 0x00007ffff442518b in enchant_dict_check() from /usr/lib/libenchant.so.1
#4 0x00007ffff48a2ea4 in ffi_call_unix64() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#5 0x00007ffff48a28c5 in ffi_call() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#6 0x00007ffff48932c2 in _ctypes_callproc() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#7 0x00007ffff4893aa2 in ??() from /usr/lib/python2.7/lib-dynload/_ctypes.so
#8 0x00000000004c7c76 in PyObject_Call()
#9 0x000000000042aa4a in PyEval_EvalFrameEx()
#10 0x000000000042abe2 in PyEval_EvalFrameEx()
#11 0x000000000042abe2 in PyEval_EvalFrameEx()
#12 0x00000000004317f2 in PyEval_EvalCodeEx()
#13 0x000000000054aa40 in ??()
#14 0x00000000004c7c76 in PyObject_Call()
#15 0x000000000049e9ba in ??()
#16 0x00000000004c7c76 in PyObject_Call()
#17 0x00000000004c7d36 in PyEval_CallObjectWithKeywords()
#18 0x0000000000443e3a in ??()
#19 0x000000000042a862 in PyEval_EvalFrameEx()
#20 0x000000000042abe2 in PyEval_EvalFrameEx()
#21 0x000000000042abe2 in PyEval_EvalFrameEx()
#22 0x000000000042abe2 in PyEval_EvalFrameEx()
閱讀另一篇文章我試過的ulimit但
ulimit -s unlimited
和各種其他值做了n似乎沒有幫助。
我已經監視了運行「top」的應用程序,它似乎沒有使用太多的資源。有時它會在15分鐘內運行15分鐘。在這些運行過程中,它處理數百個字符串並發現數百個未知單詞。代碼運行的機器沒有已知的問題,它是我的開發機器其他一切運行穩定。
任何人都可以闡明這些錯誤是什麼意思?有什麼我應該或不應該在我的Python代碼中進行排序嗎?我想這是一個內存問題(我知道的東西很少),我應該檢查內存泄漏等?