new monotonic broken on docker? #401

davidszotten · 2017-04-07T08:50:15Z

$ cat Dockerfile
FROM python:2.7
RUN pip install eventlet==0.21.0
CMD python -c 'import eventlet; eventlet.monkey_patch(); eventlet.listen(("localhost", 8000))'

$ docker build .
Sending build context to Docker daemon 3.584 kB
Step 1 : FROM python:2.7
 ---> 68caceba17ab
Step 2 : RUN pip install eventlet==0.21.0
 ---> Using cache
 ---> 59c6976d7a1a
Step 3 : RUN python -c 'import eventlet; eventlet.monkey_patch(); eventlet.listen(("localhost", 8000))'
 ---> Running in 1aab15c49d2b
Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in <bound method _SocketDuckForFd.__del__ of _SocketDuckForFd:8> ignored
Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in <bound method _SocketDuckForFd.__del__ of _SocketDuckForFd:9> ignored
Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python2.7/site-packages/eventlet/convenience.py", line 40, in listen
    sock = socket.socket(family, socket.SOCK_STREAM)
  File "/usr/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 137, in __init__
    notify_opened(fd.fileno())
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 189, in notify_opened
    hub = get_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 116, in get_hub
    use_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 70, in use_hub
    mod = get_default_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 38, in get_default_hub
    import eventlet.hubs.epolls
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/epolls.py", line 27, in <module>
    from eventlet.hubs.hub import BaseHub
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 23, in <module>
    from eventlet.support import greenlets as greenlet, clear_sys_exc_info, monotonic, six
  File "/usr/local/lib/python2.7/site-packages/eventlet/support/monotonic.py", line 167, in <module>
    raise RuntimeError('no suitable implementation for this system')
RuntimeError: no suitable implementation for this system

The text was updated successfully, but these errors were encountered:

mvdbertram · 2017-04-07T09:44:15Z

same error happens also when running not within docker, but also on debian jessie

temoto · 2017-04-07T12:49:56Z

Thanks for reproduction script.

temoto · 2017-04-07T21:24:12Z

The real issue, of course, has nothing to do with monotonic. But it does false help by masking real exception. Real issue is import cycle.

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/usr/local/lib/python2.7/site-packages/eventlet/convenience.py", line 40, in listen
    sock = socket.socket(family, socket.SOCK_STREAM)
  File "/usr/local/lib/python2.7/site-packages/eventlet/greenio/base.py", line 137, in __init__
    notify_opened(fd.fileno())
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 189, in notify_opened
    hub = get_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 116, in get_hub
    use_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 70, in use_hub
    mod = get_default_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 38, in get_default_hub
    import eventlet.hubs.epolls
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/epolls.py", line 27, in <module>
    from eventlet.hubs.hub import BaseHub
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 23, in <module>
    from eventlet.support import greenlets as greenlet, clear_sys_exc_info, monotonic, six
  File "/usr/local/lib/python2.7/site-packages/eventlet/support/monotonic.py", line 137, in <module>
    clock_gettime = ctypes.CDLL(ctypes.util.find_library('rt'),
  File "/usr/local/lib/python2.7/ctypes/util.py", line 274, in find_library
    return _findSoname_ldconfig(name) or _get_soname(_findLib_gcc(name))
  File "/usr/local/lib/python2.7/ctypes/util.py", line 264, in _findSoname_ldconfig
    env=env)
  File "/usr/local/lib/python2.7/site-packages/eventlet/green/subprocess.py", line 55, in __init__
    subprocess_orig.Popen.__init__(self, args, 0, *argss, **kwds)
  File "/usr/local/lib/python2.7/subprocess.py", line 420, in __init__
    self.stdout = os.fdopen(c2pread, 'rb', bufsize)
  File "/usr/local/lib/python2.7/site-packages/eventlet/green/os.py", line 28, in fdopen
    return greenio.GreenPipe(fd, *args, **kw)
  File "/usr/local/lib/python2.7/site-packages/eventlet/greenio/py2.py", line 41, in __init__
    super(GreenPipe, self).__init__(_SocketDuckForFd(fileno), mode, bufsize)
  File "/usr/local/lib/python2.7/site-packages/eventlet/greenio/py2.py", line 128, in __init__
    notify_opened(fileno)
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 189, in notify_opened
    hub = get_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 116, in get_hub
    use_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 70, in use_hub
    mod = get_default_hub()
  File "/usr/local/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 39, in get_default_hub
    return eventlet.hubs.epolls
AttributeError: 'module' object has no attribute 'epolls'

temoto · 2017-04-07T21:55:31Z

Meanwhile, dirty workaround is eventlet.sleep() before monkey_patch().

import eventlet
+eventlet.sleep()
eventlet.monkey_patch()
eventlet.listen(("localhost", 8000))

dabertram · 2017-04-08T11:18:56Z

can this workaround be used for gunicorn eventlet class workers?
how would you fix those?

dabertram · 2017-04-08T13:15:23Z

although that's probably not really useful, I can confirm that this workaround also would fix gunicorn eventlet workers..

adding eventlet.sleep() directly after import eventlet in line 11 in https://github.com/benoitc/gunicorn/blob/master/gunicorn/workers/geventlet.py can integrate this workaround to the gunicorn worker spawn process..

anyway, that's not really applicable... this should be fixed in eventlet

temoto · 2017-04-08T14:28:18Z

Yeah should be fixed here.

rburkholder · 2017-04-12T09:49:23Z

Just in case a further reference to this issue is needed, here is another re-creation, this using Ryu 4.13 on current Debian Stretch, and a code evaluation. Will the eventless.sleep() change work here? In which file is that change inserted?

Error message: AttributeError("'module' object has no attribute 'epolls'",)

Possible explanation:

urllib3 is intercepting select calls, and not providing epoll or epolls.

Question:

How to bypass this? My script worked a few months ago when testing, so I am trying to narrow down what changed.

In code in monotonic.py, I changed to get some debugging output (exception occurs on the statement between 'line d' and 'line g'), following code is starting around line 132 in montonic.py:

        else:
            print "line b"
            print sys.path
            print ctypes
            print ctypes.util
            try:
                print "line d"
                print ctypes.util.find_library('c')
                print "line g"
                clock_gettime = ctypes.CDLL(ctypes.util.find_library('c'),
                                            use_errno=True).clock_gettime
            except AttributeError as e:
                print( "line e ", e )
                clock_gettime = ctypes.CDLL(ctypes.util.find_library('rt'),
                                            use_errno=True).clock_gettime
                print "line f"

the ctypes.util.find_library('c') causes the error. Search for 'line e' in the following output to spot the module with problems.

root@edge:/home/vagrant# ryu run --observe-links /usr/local/lib/python2.7/dist-packages/ryu/app/gui_topology/gui_topology.py --install-lldp-flow
loading app /vagrant/test1.py
loading app ryu.topology.switches
loading app ryu.controller.dpset
loading app ryu.controller.ofp_handler
instantiating app ryu.controller.dpset of DPSet
instantiating app ryu.topology.switches of Switches
line a
line b
['/usr/share/python-wheels/CacheControl-0.11.7-py2.py3-none-any.whl', '/usr/share/python-wheels/appdirs-1.4.0-py2.py3-none-any.whl', '/usr/share/python-wheels/chardet-2.3.0-py2.py3-none-any.whl', '/usr/share/python-wheels/colorama-0.3.7-py2.py3-none-any.whl', '/usr/share/python-wheels/distlib-0.2.4-py2.py3-none-any.whl', '/usr/share/python-wheels/distro-1.0.1-py2.py3-none-any.whl', '/usr/share/python-wheels/html5lib-0.999999999-py2.py3-none-any.whl', '/usr/share/python-wheels/ipaddress-0.0.0-py2.py3-none-any.whl', '/usr/share/python-wheels/lockfile-0.12.2-py2.py3-none-any.whl', '/usr/share/python-wheels/packaging-16.8-py2.py3-none-any.whl', '/usr/share/python-wheels/pip-9.0.1-py2.py3-none-any.whl', '/usr/share/python-wheels/pkg_resources-0.0.0-py2.py3-none-any.whl', '/usr/share/python-wheels/progress-1.2-py2.py3-none-any.whl', '/usr/share/python-wheels/pyparsing-2.1.10-py2.py3-none-any.whl', '/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl', '/usr/share/python-wheels/retrying-1.3.3-py2.py3-none-any.whl', '/usr/share/python-wheels/setuptools-32.3.1-py2.py3-none-any.whl', '/usr/share/python-wheels/six-1.10.0-py2.py3-none-any.whl', '/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl', '/usr/share/python-wheels/webencodings-0.5-py2.py3-none-any.whl', '/usr/share/python-wheels/wheel-0.29.0-py2.py3-none-any.whl', '/usr/local/bin', '/usr/lib/python2.7', '/usr/lib/python2.7/plat-x86_64-linux-gnu', '/usr/lib/python2.7/lib-tk', '/usr/lib/python2.7/lib-old', '/usr/lib/python2.7/lib-dynload', '/usr/local/lib/python2.7/dist-packages', '/usr/lib/python2.7/dist-packages']
<module 'ctypes' from '/usr/lib/python2.7/ctypes/init.pyc'>
<module 'ctypes.util' from '/usr/lib/python2.7/ctypes/util.pyc'>
line d
('line e ', AttributeError("'module' object has no attribute 'epolls'",))
Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in ignored
Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in ignored Traceback (most recent call last):

File "/usr/local/bin/ryu", line 11, in
sys.exit(main())
File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/ryu_base.py", line 74, in main
subcmd.run(base_conf.subcommand_args)
File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/ryu_base.py", line 57, in run
self.entry(args=args, prog=prog)
File "/usr/local/lib/python2.7/dist-packages/ryu/cmd/manager.py", line 81, in main
services.extend(app_mgr.instantiate_apps(**contexts))
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 509, in instantiate_apps
self._instantiate(app_name, cls, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 495, in _instantiate
app = cls(*args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/ryu/topology/switches.py", line 532, in init
self.threads.append(hub.spawn(self.lldp_loop))
File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 68, in spawn
return eventlet.spawn(_launch, *args, **kwargs)
File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", line 50, in spawn
hub = hubs.get_hub()
File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/init.py", line 116, in get_hub
use_hub()
File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/init.py", line 70, in use_hub
mod = get_default_hub()
File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/init.py", line 38, in get_default_hub
import eventlet.hubs.epolls
File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/epolls.py", line 27, in
from eventlet.hubs.hub import BaseHub
File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line 23, in
from eventlet.support import greenlets as greenlet, clear_sys_exc_info, monotonic, six
File "/usr/local/lib/python2.7/dist-packages/eventlet/support/monotonic.py", line 178, in
raise RuntimeError('no suitable implementation for this system')
RuntimeError: no suitable implementation for this system

temoto · 2017-04-12T13:52:30Z

@rburkholder

Will the eventless.sleep() change work here?

Try and see.

In which file is that change inserted?

Where import eventlet is executed first time.

rburkholder · 2017-04-12T20:44:27Z

Making the following change to /usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py eliminated the exception (add 'eventless.sleep()) to line 32 of the file after the import statement):

if HUB_TYPE == 'eventlet':
    import eventlet
    eventlet.sleep()
    import eventlet.event
    import eventlet.queue
    import eventlet.semaphore
    import eventlet.timeout
    import eventlet.wsgi

dkavanagh · 2017-04-18T16:05:24Z

Ran into this as well (via gunicorn on CentOS 7). Verified patch in geventlet.py, but would prefer eventlet release to fix this.

enricobacis · 2017-04-28T08:39:18Z

I confirm this also happens on kali linux (debian-testing based)

j-ramirez-bi4group · 2017-05-02T14:23:28Z

Any news?

temoto · 2017-05-03T09:48:27Z

Not yet.

Barlog951 · 2017-05-05T14:48:53Z

This happens me in my docker instance of python 2.7.13 with nameko package

PLS fix this because ist very important for me

thanks

LukeusMaximus · 2017-05-05T15:23:49Z

I also get this inside of a Docker instance, specifically when running RYU.

This patch adopts the workaround which is discussing on the eventlet team at the following: eventlet/eventlet#401 This workaround is suggested by Raymond Burkholder. Suggested-by: Raymond Burkholder <ray@oneunified.net> Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com>

A bug in eventlet v20 or 21 caused the app to fail. Would get this error: Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in <bound method _SocketDuckForFd.__del__ of _SocketDuckForFd:9> Seems related to issue 401: new monotonic broken on docker? eventlet/eventlet#401

This patch adopts the workaround which is discussing on the eventlet team at the following: eventlet/eventlet#401 This workaround is suggested by Raymond Burkholder. Suggested-by: Raymond Burkholder <ray@oneunified.net> Signed-off-by: IWASE Yusuke <iwase.yusuke0@gmail.com> Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

prometheanfire · 2017-05-15T16:38:49Z

Are there any updates here or just workarounds? We are looping to block the new eventlet in openstack due to this bug. https://review.openstack.org/464687

Project: openstack/requirements e0f0220a89688ce000698ae1cadda750f87a80fd block eventlet >= 0.21.0 There is an interaction between eventlet and monotonic on eventlet >= 0.21.0 which is triggered during oslo.db library loading. Upstream eventlet bug: eventlet/eventlet#401 Related-Bug: #1690819 Change-Id: I26965bd363661318a8f9646589755cbb78a58eb7

There is an interaction between eventlet and monotonic on eventlet >= 0.21.0 which is triggered during oslo.db library loading. Upstream eventlet bug: eventlet/eventlet#401 Related-Bug: #1690819 Change-Id: I26965bd363661318a8f9646589755cbb78a58eb7

Project: openstack/requirements e0f0220a89688ce000698ae1cadda750f87a80fd block eventlet >= 0.21.0 There is an interaction between eventlet and monotonic on eventlet >= 0.21.0 which is triggered during oslo.db library loading. Upstream eventlet bug: eventlet/eventlet#401 Related-Bug: #1690819 Change-Id: I26965bd363661318a8f9646589755cbb78a58eb7

Project: openstack/designate 4faac428bf2f825b192a044ff6e20bb61e003ca2 Blacklist python 3 UT because of eventlet bug Eventlet>=0.21.0 has been blocked in uc [1] due to bug [2]. Let's re-block failed py3 UT based on eventlet 0.21.0 until new release lands. [1]. https://review.openstack.org/#/c/464687/ [2]. eventlet/eventlet#401 Change-Id: I5b68731519bc7de1273ef9d397ed908be63db64e

prometheanfire · 2018-01-07T22:47:46Z

just to be clear, was b756447 the fix for this bug?

temoto · 2018-01-09T01:30:49Z

Yes, workaround. Proper fix requires large rearrangement of modules to allow better import graph.

…

On Jan 8, 2018 01:47, "Matthew Thode" ***@***.***> wrote: just to be clear, was b756447 <b756447> the fix for this bug? — You are receiving this because you modified the open/close state. Reply to this email directly, view it on GitHub <#401 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AABpseKHr6dmiz-ID993npWhFQ-uqOIVks5tIUmSgaJpZM4M2n-_> .

prometheanfire · 2018-01-09T07:05:48Z

cool, thanks, do you know when the next release is supposed to be? I ask because I'd like to uncap eventlet in requirements for openstack.

https://github.com/openstack/requirements/blob/master/global-requirements.txt#L56

temoto · 2018-01-10T16:22:47Z

@prometheanfire I want to fix this #147 problem with multiprocessing, seems it's a huge pain for many people.

Meanwhile, my constant recommendation is to require particular commit id. It has all benefits of specifying exact version (repeatable build, no new errors) + absence of stupid pypi release bureaucracy. The only better way is to include dependency sources within your project to protect against upstream servers downtime.

prometheanfire · 2018-01-10T19:14:09Z

Unfortunately we cannot lock to a sha with how we are organized now, we only include releases, even rc and beta releases are rejected.

temoto · 2018-01-12T00:14:29Z

@prometheanfire this fix was included in 0.22 release on pypi

prometheanfire · 2018-01-12T00:23:12Z

thanks :D

This resolves eventlet/eventlet#401.

We are having some issues related to [1] with eventlet 0.22.1 from Fedora 28. Since upper-constraints is still listing 0.20.0, let's try using that version. [1] - eventlet/eventlet#401 Change-Id: I3882202ed16f90ba508bfab4040ac3e62cf221c4

toabctl · 2019-03-21T05:20:11Z

I still see this problem with eventlet==0.24.1 and monotonic==1.5 :

[   58s] Captured daemon_log:
[   58s] ~~~~~~~~~~~~~~~~~~~~
[   58s]     Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in <bound method _SocketDuckForFd.__del__ of _SocketDuckForFd:16> ignored
[   58s]     Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in <bound method _SocketDuckForFd.__del__ of _SocketDuckForFd:17> ignored
[   58s]     Traceback (most recent call last):
[   58s]       File "oslo_rootwrap/tests/run_daemon.py", line 20, in <module>
[   58s]         from oslo_rootwrap import cmd
[   58s]       File "/home/abuild/rpmbuild/BUILD/oslo.rootwrap-5.15.2/oslo_rootwrap/__init__.py", line 19, in <module>
[   58s]         import eventlet.patcher
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/__init__.py", line 10, in <module>
[   58s]         from eventlet import convenience
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/convenience.py", line 7, in <module>
[   58s]         from eventlet.green import socket
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/green/socket.py", line 21, in <module>
[   58s]         from eventlet.support import greendns
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/support/greendns.py", line 64, in <module>
[   58s]         setattr(dns, pkg, import_patched('dns.' + pkg))
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/support/greendns.py", line 59, in import_patched
[   58s]         return patcher.import_patched(module_name, **modules)
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/patcher.py", line 120, in import_patched
[   58s]         *additional_modules + tuple(kw_additional_modules.items()))
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/patcher.py", line 94, in inject
[   58s]         module = __import__(module_name, {}, {}, module_name.split('.')[:-1])
[   58s]       File "/usr/lib/python2.7/site-packages/dns/dnssec.py", line 482, in <module>
[   58s]         from Crypto.Hash import MD5, SHA1, SHA256, SHA384, SHA512
[   58s]       File "/usr/lib64/python2.7/site-packages/Crypto/Hash/MD5.py", line 47, in <module>
[   58s]         """)
[   58s]       File "/usr/lib64/python2.7/site-packages/Crypto/Util/_raw_api.py", line 296, in load_pycryptodome_raw_lib
[   58s]         cdecl)
[   58s]       File "/usr/lib64/python2.7/site-packages/Crypto/Util/_raw_api.py", line 175, in load_lib
[   58s]         bits, linkage = platform.architecture()
[   58s]       File "/usr/lib64/python2.7/platform.py", line 1066, in architecture
[   58s]         output = _syscmd_file(executable, '')
[   58s]       File "/usr/lib64/python2.7/platform.py", line 1009, in _syscmd_file
[   58s]         stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
[   58s]       File "/usr/lib64/python2.7/subprocess.py", line 420, in __init__
[   58s]         self.stdout = os.fdopen(c2pread, 'rb', bufsize)
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/green/os.py", line 28, in fdopen
[   58s]         return greenio.GreenPipe(fd, *args, **kw)
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/greenio/py2.py", line 42, in __init__
[   58s]         super(GreenPipe, self).__init__(_SocketDuckForFd(fileno), mode, bufsize)
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/greenio/py2.py", line 129, in __init__
[   58s]         notify_opened(fileno)
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 190, in notify_opened
[   58s]         hub = get_hub()
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 117, in get_hub
[   58s]         use_hub()
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 71, in use_hub
[   58s]         mod = get_default_hub()
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/hubs/__init__.py", line 39, in get_default_hub
[   58s]         import eventlet.hubs.epolls
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/hubs/epolls.py", line 13, in <module>
[   58s]         from eventlet.hubs.hub import BaseHub
[   58s]       File "/usr/lib/python2.7/site-packages/eventlet/hubs/hub.py", line 24, in <module>
[   58s]         import monotonic
[   58s]       File "/usr/lib/python2.7/site-packages/monotonic.py", line 169, in <module>
[   58s]         raise RuntimeError('no suitable implementation for this system: ' + repr(e))
[   58s]     RuntimeError: no suitable implementation for this system: AttributeError("'module' object has no attribute 'epolls'",)
[   58s]     Exception AttributeError: "'_SocketDuckForFd' object has no attribute '_closed'" in <bound method _SocketDuckForFd.__del__ of _SocketDuckForFd:10> ignored
[   58s]

dtantsur · 2020-01-23T11:44:46Z

Still reproducible with eventlet==0.24.1 and monotonic==1.5: https://541a97755748b4fa92b0-120a9aa299e111f1c1833809030ff629.ssl.cf2.rackcdn.com/703258/1/check/bifrost-integration-tinyipa-ubuntu-xenial/5912fee/logs/ironic-inspector.log

temoto · 2020-01-23T13:13:30Z

@toabctl @dtantsur this crutch should work:

Execute this line before importing eventlet.

+import dns  # workaround for https://github.com/eventlet/eventlet/issues/401
 import eventlet

Root cause is import cycle: eventlet -> dns -> Crypto.Hash -> platform -> [patched]subprocess -> eventlet

dtantsur · 2020-01-23T14:16:06Z

Root cause is import cycle: eventlet -> dns -> Crypto.Hash -> platform -> [patched]subprocess -> eventlet

@temoto thanks for looking into this! Which versions of these packages do you use to confirm the bug? I have two CI jobs that differ in the installed packages, but these ones seem to be the same in both. One works, one crashes with the traceback above..

dtantsur · 2020-01-23T14:36:59Z

I have a suspect: cryptography 2.6.1 on the working run vs 2.8 on the broken one.

temoto · 2020-01-23T14:54:57Z

@dtantsur I didn't run code this time, just read posted logs.

Probably you are looking for packages providing dns, Crypto or Cryptodome.

temoto · 2020-01-23T14:58:13Z

With big no-blame note, you could say this break was provoked not caused by this change Legrandin/pycryptodome@f08e5f9

dtantsur · 2020-01-23T15:48:45Z

Sounds entirely plausible.

chenxing0407 · 2022-03-15T09:09:18Z

you can add traceback to see the real reason, I encounter
"IOError: [Errno 13] Permission denied: '/dev/null'"

davidszotten mentioned this issue Apr 7, 2017

Fixed version of eventlet nameko/nameko#425

Closed

temoto added the importance-bug label Apr 7, 2017

temoto mentioned this issue Apr 7, 2017

monotonic does not support kqueue #394

Closed

bkartyas mentioned this issue Apr 22, 2017

Our docker container fails to run changelog bkartyas/changelog#4

Open

SaptakS mentioned this issue Apr 23, 2017

Remove eventlet dependency fossasia/open-event-server#3528

Closed

scottcode mentioned this issue May 8, 2017

Pin eventlet to v0.19.0 vmware-archive/moves#2

Merged

noisyboiler mentioned this issue Oct 4, 2017

Travis Builds are Broken noisyboiler/wampy#41

Closed

mattbennett mentioned this issue Oct 5, 2017

Trusty fix nameko/nameko#479

Merged

temoto removed the need-feedback label Jan 12, 2018

temoto modified the milestones: v0.22, 0.23 Jan 12, 2018

cdonati added a commit to cdonati/appscale that referenced this issue Jan 24, 2018

Pin eventlet version

fc75f81

This resolves eventlet/eventlet#401.

cdonati mentioned this issue Jan 24, 2018

Pin eventlet version AppScale/gts#2651

Merged

mxmader mentioned this issue May 9, 2018

allow versions of eventlet > 0.21.0 faucetsdn/ryu#74

Merged

temoto reopened this Jan 23, 2020

temoto mentioned this issue Nov 28, 2022

[Python 3.10.0] TypeError: cannot set 'is_timeout' attribute of immutable type 'TimeoutError' #733

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new monotonic broken on docker? #401

new monotonic broken on docker? #401

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new monotonic broken on docker? #401

new monotonic broken on docker? #401

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