[Samba] Winbindd (tdb_chainlock_with_timeout_internal: alarm (40) timed out for key)

[Rowland Penny]

On Wed, 19 Dec 2018 13:37:34 +0530
Amit Kumar via samba <samba at lists.samba.org> wrote:

> Hey Rowland,
> 
> I wanted to ask
> 
> a. What is mutex.tdb, what is its purpose?
> 
> b. why "mutex grab failed" started appearing in messages, what can be
> the probable reasons?
> 
> Is pre-authentication failed related to locking failure of mutex.tdb?

This is on red-hat isn't it ?
Have you considered that it might just be your sssd that might be at
fault ?

I repeat, you will not get this fixed in 4.2.x, it is EOL.

The bug, if it is a bug, may very well have been fixed in a later
version of Samba

Rowland