[Samba] Samba freezes

[Antoine Huchet]

On Mon, Jun 26, 2017 at 09:39:20AM +0200, Arnaud FLORENT via samba wrote:

> on debian there is a script /etc/dhcp/dhclient-enter-hooks.d/samba
> 
> which can reload samba to handle netbios settings provided by dhcp server
> (wins server, netbios scope)
> 
> but it should not reload smbd if no settings have changed
> 
> 
> Le 26/06/2017 à 09:01, Rowland Penny via samba a écrit :
> > On Mon, 26 Jun 2017 09:34:35 +1200
> > Andrew Bartlett <abartlet at samba.org> wrote:
> > 
> > > On Sun, 2017-06-25 at 17:54 +0100, Rowland Penny via samba wrote:
> > > > On Sun, 25 Jun 2017 18:11:05 +0200
> > > > Antoine Huchet via samba <samba at lists.samba.org> wrote:
> > > > 
> > > > > Hello,
> > > > > 
> > > > > I have Samba 4.5.8-Debian running on Debian Stretch.
> > > > > I use Samba to load games over my local network from my Debian
> > > > > machine to my Playstation 2 (using OpenPS2Loader:
> > > > > https://github.com/Jay-Jay-OPL/OPL-Daily-Builds).
> > > > > 
> > > > >  From time to time, the game freezes, then after 5 minutes it comes
> > > > > back (sometimes it doesn't, depends on the game).
> > > > > 
> > > > > 
> > > > > And here is the syslog at the same time:
> > > > > 
> > > > > > Jun 25 16:39:01 serveur CRON[23116]: (root) CMD (  [ -x
> > > > > > /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
> > > > > > Jun 25 16:41:05 serveur dhclient[717]: DHCPREQUEST of
> > > > > > 192.168.2.4 on eth0 to 192.168.2.1 port 67
> > > > > > Jun 25 16:41:05 serveur dhclient[717]: DHCPACK of 192.168.2.4
> > > > > > from 192.168.2.1
> > > > > > Jun 25 16:41:05 serveur systemd[1]: Reloading Samba SMB Daemon.
> > > > > > Jun 25 16:41:05 serveur systemd[1]: Reloaded Samba SMB Daemon.
> > > > > > Jun 25 16:41:05 serveur dhclient[717]: bound to 192.168.2.4 --
> > > > > > renewal in 2912 seconds.
> > > > >  From what I see, there is the usual stuff on top of the logs,
> > > > > then it start echoing someting, then reloads and then it works
> > > > > again...
> > > > > 
> > > > > Any idea what might be causing that?
> > > > > 
> > > > It looks like your Samba machine is using DHCP and when it changes
> > > > systemd reloads Samba, this will break any connections.
> > > > 
> > > > Try giving your machine a fixed IP instead.
> > > > 
> > > G'Day Rowland,
> > > 
> > > I think you are on to the right thing about the echo and DHCP, except
> > > they are in other order.
> > Hi Andrew,
> > 
> > The PC asks for an IP
> > The PC gets the IP
> > Systemd restarts Samba
> > 
> > I thought it was fairly obvious what the problem was, but you seem to
> > see it differently, what I cannot understand, why is systemd restarting
> > Samba ?
> > 
> > Rowland
> > 
> > 
> 
Hello,

I believe the DHCP renewal process was the problem.
I switched the IP configuration to static, I havent had any problem for
the last few days.

Thanks :).

Best,
Antoine