Hi Thomas, here you can find some logs required by dnsmasq devs. http://paste.openstack.org/show/37668/
For this answer, "Maybe release a DHCP lease on an old host, and then see if it can get a lease back again?" : When the problem appears, the VM can't get lease back. Should you have any further question please don't hesitate to contact me. Thanks Best Regards 2013/5/23 Thomas Kärgel <kaer...@b1-systems.de> > Hi, > > can somebody help to gather the desired informations? Since I'm not > able to reproduce our problem i cannot answer Simons questions: > > >> The above mechanism is working fine in most cases. But lately there were > >> a few reports (4 afaik) that this mechanism is not working entirely > >> reliable. > >> Dnsmasq re-reads it's configs but still claims that no address is > >> available for the specific mac-address, while other clients are still > >> receiving their adresses fine. > >> The new entries in hostsfile do not get served until dnsmasq is killed > >> and restarted. > > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > This might be significant, since the process on re-read a hostfile is > > > > 1) Throw away all entries which came from a hostsfile in the past. > > 2) Read the hostsfile and insert all the entries found there. > > > > It's difficult to see how that process could distinguish between new and > old entries except if some hosts already have leases. Can you Explore this > a bit more? Maybe release a DHCP lease on an old host, and then see if it > can get a lease back again? > > > > and... > > >> 10.20.30.2 fa:16:3e:2d:0d:e0 10-20-30-2 > >> May 20 09:04:34 grizzly-236 dnsmasq-dhcp[2190]: > >> DHCPDISCOVER(tapdbcef145-f5) 10.0.2.15 fa:16:3e:fc:1f:9a no address > >> available > >> May 20 09:04:52 grizzly-236 dnsmasq-dhcp[2190]: > >> DHCPDISCOVER(tapdbcef145-f5) 10.0.2.15 fa:16:3e:fc:1f:9a no address > >> available > > > > > > This is definitely "static address only on this network, unknown host" > > > > > > It may be worth setting --log-dhcp for the extra information that can > give us. > > > > > Am 23.05.2013 09:35, schrieb Thomas Kärgel: > > Hi, > > > > the bug report is open and can be viewed at: > > > http://lists.thekelleys.org.uk/pipermail/dnsmasq-discuss/2013q2/007212.html > > > > I used some of your logs in order to add more details to my description. > > Hopefully someone can help us solving this issue. > > > > Best regards > > thomas > > > > > Bets regards > thomas > -- > Thomas Kärgel > Linux Consultant > Mail: kaer...@b1-systems.de > B1 Systems GmbH > Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de > GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537 > > -- Marco Colombo
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