[Samba] samba-tool domain backup offline stalls

[Andrew Bartlett]

On Thu, 2020-07-23 at 11:27 -0400, James B. Byrne via samba wrote:
> On Wed, July 22, 2020 21:47, Andrew Bartlett wrote:
> 
> > Are you using DLZ_BIND9?  There is a bug where it doesn't know the
> > locking
> 
> rules for those files.
> 
> No.  I am using the internal dns service.

OK.  Good.

> 
> > Otherwise, work out which commend it is waiting on (the child) and
> > what lock that is waiting on (lslocks on linux is what I used to
> > debug this stuff).
> 
> There does not appear to be any child process:

Clearly there is, as otherwise we could not be in waitpid on it.  The
process is not a python process, it will be tdbbackup.  The command
line arguments to that process will be instructive. 

I'm sorry you don't have lslocks, you will have a very hard time
debugging this without an equivalent tool.

Andrew Bartlett

-- 
Andrew Bartlett                       https://samba.org/~abartlet/
Authentication Developer, Samba Team  https://samba.org
Samba Developer, Catalyst IT          
https://catalyst.net.nz/services/samba