"ps -aux" will take way too long if all AD servers down

[Zhangxiaoxu]

Hello,
    I have a problem to ask you about winbind.
    In the worst case situation, if you lose all of your AD servers, it will take very long time to execute “ps –aux”. It may become normal in a period of time.
I’m puzzled about why executing “ps –aux” will be stuck although “ps” and winbind communicate through a local socket. Do you have any way to solve this problem.
The samba version is Samba-4.3.11.

Thanks,
Ming Li
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