Am 19.11.2015 um 10:44 schrieb Florian Weimer: > On 11/18/2015 10:36 PM, Stefan Priebe wrote: > >>> please try to get a backtrace with debugging information. It is likely >>> that this is the make_request/__check_pf functionality in glibc, but it >>> would be nice to get some certainty. >> >> sorry here it is. What I'm wondering is why is there ipv6 stuff? I don't >> have ipv6 except for link local. > > glibc needs to know if the system has global unicast addresses if it > receives AAAA records. > > It's curious that net.ipv6.conf.all.disable_ipv6=1 makes the problem go > away. Even with that setting, the kernel seems to send two Netlink > responses. So either this is enough to narrow the window for the race > so that no longer triggers, or there is a genuine kernel issue with > supplying the requested IPv6 Netlink response.
No idea it also goes away by downgrading to 3.18 again. Stefan >> Could it be this one? >> >> https://bugzilla.redhat.com/show_bug.cgi?id=505105#c79 > > No, that's on the DNS/UDP side, not in the Netlink code. > > Florian > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
