I've re-tested this with the 2.72 release (I'm pretty sure!) and I'm still seeing the same intermittent behaviour.
On 23 September 2014 10:37, Chris West <[email protected]> wrote: > dnsmasq is being run by the Debian (well, Ubuntu) lxc scripts. I am > proxying to lxc vms (by name) with nginx (so using the nginx built-in > resolver, which seems more sensitive than normal resolvers). > > On an Ubuntu Trusty machine (dnsmasq 2.68), everything works fine. > > On an Ubuntu Utopic machine (dnsmasq 2.71), proxying always fails with > "..foo could not be resolved (3: Host not found)". > > I thought for a while that this might have been: > * 288df49 - Fix bug when resulted in NXDOMAIN answers instead of NODATA. > (5 days ago) <Simon Kelley> > > ...so I rolled the Utopic machine back to the 2.68 package. (I'm not > confident with building a replacement dnsmasq given how complex the debian > LXC stuff is.) However, now this still fails intermittently, and I'm at a > loss. > > Currently I have two running machines, named "test-dove" and "test-harp". > "harp" was started after "dove". Both resolve fine for A records: > ubuntu@wolf ~$ dig -t A test-dove @10.0.3.1 | egrep 'status:|IN' > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 65076 > ;test-dove. IN A > test-dove. 0 IN A 10.0.3.168 > ubuntu@wolf ~$ dig -t A test-harp @10.0.3.1 | egrep 'status:|IN' > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35736 > test-harp. 0 IN A 10.0.3.34 > > However, only "dove" gets a correct answer for AAAA records: > ubuntu@wolf ~$ dig -t AAAA test-dove @10.0.3.1 | egrep 'status:|IN' > ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57038 > ;test-dove. IN AAAA > ubuntu@wolf ~$ dig -t AAAA test-harp @10.0.3.1 | egrep 'status:|IN' > ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14476 > ;test-harp. IN AAAA > > Is this likely to be fixed by that patch, or can anyone else guess what's > up with the system? > >
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