[Samba] Losing network connection

[Holger Krull]

> Aug 12 14:46:23 ismlnx1 kernel: lcs problems detected eth0 temporarily
> unavailable.
> 
> Telnet/SSH access is gone, as are all Samba connections (actually they are
> there until they time out), and then we need to reboot in order to get our
> connections back.
> 
> I haven't increased my debug level yet in smb.conf but that's probably what
> I'm going to try next.

Looks more like a network adapter problem than smbd problem.
What kind of network adapter is in the server, what switch is used?
Is line speed and full/half duplex autonegotiated or fixed?
Is the network interface reporting droped packets or overruns?