getaddrinfo "Device or resource busy" error spam

Description

Under routine operation, logs contain large amounts of the following error, which is apparently harmless:

twisted: [] 
Traceback (most recent call last):
  File "/nix/store/h8m6qvxi6z6jsa0836gm1wfz8z6mh3mp-python3.7-Twisted-18.9.0/lib/python3.7/site-packages/twisted/python/threadpool.py", line 250, in inContext
    result = inContext.theWork()
  File "/nix/store/h8m6qvxi6z6jsa0836gm1wfz8z6mh3mp-python3.7-Twisted-18.9.0/lib/python3.7/site-packages/twisted/python/threadpool.py", line 266, in <lambda>
    inContext.theWork = lambda: context.call(ctx, func, *args, **kw)
  File "/nix/store/h8m6qvxi6z6jsa0836gm1wfz8z6mh3mp-python3.7-Twisted-18.9.0/lib/python3.7/site-packages/twisted/python/context.py", line 122, in callWithContext
    return self.currentContext().callWithContext(ctx, func, *args, **kw)
  File "/nix/store/h8m6qvxi6z6jsa0836gm1wfz8z6mh3mp-python3.7-Twisted-18.9.0/lib/python3.7/site-packages/twisted/python/context.py", line 85, in callWithContext
    return func(*args,**kw)
  File "/nix/store/h8m6qvxi6z6jsa0836gm1wfz8z6mh3mp-python3.7-Twisted-18.9.0/lib/python3.7/site-packages/twisted/internet/_resolver.py", line 124, in get
    socketType)
  File "/nix/store/96p42644i76jqgdkxjgyl3f0c8n8k16j-python3-3.7.4/lib/python3.7/socket.py", line 748, in getaddrinfo
    for res in _socket.getaddrinfo(host, port, family, type, proto, flags):
OSError: [Errno 16] Device or resource busy

Version information

Version: Synapse 1.3.1
Install method: NixOS package
Platform: NixOS on a small dedicated server

Issue Analytics

State:
Created 4 years ago
Comments:10 (6 by maintainers)

Top GitHub Comments

1reaction

fadenbcommented, Apr 26, 2020

I am encountering the same issues from time to time on my system. I disabled nscd without luck, still getting those errors.

Would appreciate any pointer on what I could check to find the cause 😃

0reactions

effolkroniumcommented, Nov 10, 2020

Discovered some trash after space after ip in string) that was a cause. Previous Linux distorts uses only first substring before space and do not validate entire string