多处理的 OSError 38 [Errno 38] [英] OSError 38 [Errno 38] with multiprocessing

问题描述

我遇到以下错误:

$ sudo chmod a+rwxt /dev/shm/
$ ls -ld /dev/shm/
drwxrwxrwt 2 root root 4096 Feb  4 06:56 /dev/shm/
$ python
Python 2.6.6 (r266:84292, Dec 26 2010, 22:31:48) 
[GCC 4.4.5] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import multiprocessing
>>> mp = multiprocessing.Pool(2)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/usr/lib/python2.6/multiprocessing/__init__.py", line 227, in Pool
    return Pool(processes, initializer, initargs)
  File "/usr/lib/python2.6/multiprocessing/pool.py", line 84, in __init__
    self._setup_queues()
  File "/usr/lib/python2.6/multiprocessing/pool.py", line 131, in _setup_queues
    self._inqueue = SimpleQueue()
  File "/usr/lib/python2.6/multiprocessing/queues.py", line 328, in __init__
    self._rlock = Lock()
  File "/usr/lib/python2.6/multiprocessing/synchronize.py", line 117, in __init__
    SemLock.__init__(self, SEMAPHORE, 1, 1)
  File "/usr/lib/python2.6/multiprocessing/synchronize.py", line 49, in __init__
    sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue)
OSError: [Errno 38] Function not implemented

还有什么可能是导致此错误的原因(除了对/dev/shm 的读/写访问权限)?

What else could be the reason for this error (apart from read/write access to /dev/shm)?

谢谢！

推荐答案

对于其他从 Google 来到这里的人，答案在 Django Celery 实现 - OSError errno 38 - 功能未实现:

For anyone else coming here from Google, the answer is at Django Celery Implementation - OSError errno 38 - Function not implemented:

通过添加 none/dev/shm tmpfs rw,nosuid,nodev,noexec 0 让它工作0 到 /etc/fstab 并重启

Got it working by adding none /dev/shm tmpfs rw,nosuid,nodev,noexec 0 0 to /etc/fstab and rebooting

sudo mount/dev/shm 可以正常工作，而不是重新启动.

Instead of rebooting, sudo mount /dev/shm works.

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