[Samba] Locking file access

[Jeremy Allison]

On Thu, Apr 22, 2021 at 03:07:49PM -0300, Carlos via samba wrote:
>Hi!!
>
>
>Any ?
>
>
>Regards;
>
>Em 22/04/2021 09:39, Carlos escreveu:
>>Hello!
>>I have samba Version 4.14.2 (it was updated to see if the problem 
>>was solved, samba is compiled), on an Ubuntu 20.04.
>>
>>My problem is the following, sometimes during the day, a user tries 
>>to open a file (xml / doc / etc) his session "crashes" (including 
>>explore it), if another user tries to open this file he also fails, 
>>I noticed that it seems to me that the file is getting in a special 
>>lock ...

What do you mean by 'his session "crashes"' ? Knowing exactly
what is going on here will help debug.