shell Mavericks中的Python分段错误阅读线.so缺陷

Question

我正在开发一个小型的ish Django系统，它使用大约14000个记录。我以前没有使用过聚合特性，所以想在shell中使用它们。当我这么做的时候 from core.models import Match后跟{}我得到一个分段错误。背景阅读表明这是一个内存问题；我已经尝试关闭所有可能的内存并清理未使用的内存，所以我运行的是大约4Gb的空闲内存。在

我可以按任意顺序导入或命令（因此Match，可以先导入数据集，也可以导入第二个数据集，这无关紧要）——只有当我尝试导入另一个模块或对其进行操作时，我才会得到错误。示例：

>>> from core.models import Match
>>> t = match.objects.filter(team_name="Coventry")
Segmentation fault: 11

或者

^{pr2}$

同样，以dif顺序运行直到第二个命令：

>>> from core.models import Match
>>> from django.db.models import Avg
Segmentation fault: 11

如果相关，我只是在本地主机上的SQLite3上运行Django devserver。我从background reading了解到这could be a result of some unexpected loading进入内存，但是我知道从哪里开始尝试故障排除-我没有在这里运行任何代码，只是使用shell中的Django ORM。在

编辑：从那以后，我对这个做了进一步的测试；我在许多不同的进口产品上得到了很多。在

>>> from bisect import *
>>> from datetime import date

控制台日志崩溃报告如下所示：

Process:         Python [28541]
Path:            /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python
Identifier:      Python
Version:         2.7.5 (2.7.5)
Code Type:       X86-64 (Native)
Parent Process:  bash [28528]
Responsible:     Terminal [2961]
User ID:         501

Date/Time:       2013-11-02 16:24:56.399 +0000
OS Version:      Mac OS X 10.9 (13A603)
Report Version:  11
Anonymous UUID:  DACFC213-DBA4-860A-C887-96B155D16223

Sleep/Wake UUID: 0FCC648C-E20C-41CF-AB70-019F755C62CA

Crashed Thread:  0  Dispatch queue: com.apple.main-thread

Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Codes: KERN_INVALID_ADDRESS at 0x0000000000000000

VM Regions Near 0:
--> 
    __TEXT                 0000000100000000-0000000100001000 [    4K] r-x/rwx SM=COW  /Library/Frameworks/Python.framework/Versions/2.7/Resources/Python.app/Contents/MacOS/Python

Thread 0 Crashed:: Dispatch queue: com.apple.main-thread
0   readline.so                     0x00000001025ebf97 call_readline + 647
1   org.python.python               0x0000000100008e22 PyOS_Readline + 274
2   org.python.python               0x00000001000b8315 builtin_raw_input + 597
3   org.python.python               0x00000001000c35fd PyEval_EvalFrameEx + 25213
4   org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
5   org.python.python               0x00000001000c31bd PyEval_EvalFrameEx + 24125
6   org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
7   org.python.python               0x00000001000c31bd PyEval_EvalFrameEx + 24125
8   org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
9   org.python.python               0x00000001000c31bd PyEval_EvalFrameEx + 24125
10  org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
11  org.python.python               0x000000010003e510 function_call + 176
12  org.python.python               0x000000010000c932 PyObject_Call + 98
13  org.python.python               0x00000001000be63d PyEval_EvalFrameEx + 4797
14  org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
15  org.python.python               0x000000010003e510 function_call + 176
16  org.python.python               0x000000010000c932 PyObject_Call + 98
17  org.python.python               0x00000001000be63d PyEval_EvalFrameEx + 4797
18  org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
19  org.python.python               0x000000010003e510 function_call + 176
20  org.python.python               0x000000010000c932 PyObject_Call + 98
21  org.python.python               0x00000001000be63d PyEval_EvalFrameEx + 4797
22  org.python.python               0x00000001000c3fed PyEval_EvalFrameEx + 27757
23  org.python.python               0x00000001000c3fed PyEval_EvalFrameEx + 27757
24  org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
25  org.python.python               0x00000001000c31bd PyEval_EvalFrameEx + 24125
26  org.python.python               0x00000001000c58c9 PyEval_EvalCodeEx + 2137
27  org.python.python               0x00000001000c59e6 PyEval_EvalCode + 54
28  org.python.python               0x00000001000ea28e PyRun_FileExFlags + 174
29  org.python.python               0x00000001000ea52a PyRun_SimpleFileExFlags + 458
30  org.python.python               0x00000001001014ed Py_Main + 3101
31  org.python.python               0x0000000100000f14 0x100000000 + 3860

Thread 0 crashed with X86 Thread State (64-bit):
  rax: 0x0000000000000000  rbx: 0x000000010074ca40  rcx: 0x0000000100700000  rdx: 0x0000000000001e00
  rdi: 0x0000000000000000  rsi: 0x00000001025ec254  rbp: 0x00007fff5fbfd720  rsp: 0x00007fff5fbfd650
   r8: 0x0000000100700000   r9: 0x000000000000058a  r10: 0x0001000040080003  r11: 0x0000000000000001
  r12: 0x0000000000000001  r13: 0x000000000000001c  r14: 0x00007fff5fbfd6e0  r15: 0x00007fff5fbfd660
  rip: 0x00000001025ebf97  rfl: 0x0000000000010206  cr2: 0x0000000000000000

Logical CPU:     3
Error Code:      0x00000004
Trap Number:     14


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    0x7fff920a5000 -     0x7fff920d5fff  libncurses.5.4.dylib (42) <BF763D62-9149-37CB-B1D2-F66A2510E6DD> /usr/lib/libncurses.5.4.dylib
    0x7fff923d7000 -     0x7fff923f2ff7  libsystem_malloc.dylib (23.1.10) <FFE5C472-B23A-318A-85BF-77CDE61900D1> /usr/lib/system/libsystem_malloc.dylib
    0x7fff93322000 -     0x7fff9333eff7  libsystem_kernel.dylib (2422.1.72) <D14913DB-47F1-3591-8DAF-D4B4EF5F8818> /usr/lib/system/libsystem_kernel.dylib
    0x7fff941e6000 -     0x7fff941e7ff7  libSystem.B.dylib (1197.1.1) <BFC0DC97-46C6-3BE0-9983-54A98734897A> /usr/lib/libSystem.B.dylib
    0x7fff94239000 -     0x7fff94287fff  libcorecrypto.dylib (161.1) <F3973C28-14B6-3006-BB2B-00DD7F09ABC7> /usr/lib/system/libcorecrypto.dylib
    0x7fff94588000 -     0x7fff945bcfff  libssl.0.9.8.dylib (50) <B15F967C-B002-36C2-9621-3456D8509F50> /usr/lib/libssl.0.9.8.dylib

External Modification Summary:
  Calls made by other processes targeting this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by this process:
    task_for_pid: 0
    thread_create: 0
    thread_set_state: 0
  Calls made by all processes on this machine:
    task_for_pid: 991820
    thread_create: 1
    thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=80.5M resident=22.0M(27%) swapped_out_or_unallocated=58.5M(73%)
Writable regions: Total=61.0M written=15.9M(26%) resident=22.2M(36%) swapped_out=0K(0%) unallocated=38.8M(64%)

REGION TYPE                      VIRTUAL
===========                      =======
Kernel Alloc Once                     4K
MALLOC                             52.5M
MALLOC (admin)                       16K
STACK GUARD                        56.0M
Stack                              8192K
VM_ALLOCATE                          12K
__DATA                             2024K
__LINKEDIT                         66.4M
__TEXT                             14.1M
__UNICODE                           544K
shared memory                         4K
===========                      =======
TOTAL                             199.6M

进一步编辑：There appears to be a known bug on this.我大约4天前安装了Mavericks，从那以后就出现了；我怀疑如果没有人会告诉我其他的情况，我可以使用那个Q的解决方案来抑制这个问题。在

Answer 1

你在运行OSX10.9Mavericks吗？如果是，see this bug report。有一个附加到bug报告的shell脚本，您可以运行它来解决这个问题。有关说明，请参见Ned Deily's msg here。在