On Wed, Apr 13, 2016 at 02:26:49PM +0300, Ran Benita wrote: > OK, I just looked at the logs and figured out what happens: resolved > crashes whenever I perform a query with allow-downgrade, and after a few > times it doesn't restart and presumably the nss module falls back to > direct DNS queries. Here is the log: > > Apr 13 13:56:31 ran systemd[1]: Started Network Name Resolution. > Apr 13 13:56:31 ran systemd-resolved[4687]: Switching to DNS server 10.0.0.10 > for interface wlp3s0. > Apr 13 13:56:31 ran systemd-resolved[4687]: Using degraded feature set > (UDP+EDNS0) for DNS server 10.0.0.10. > Apr 13 13:56:31 ran systemd-resolved[4687]: DNSSEC validation failed for > question com. IN SOA: failed-auxiliary > Apr 13 13:56:31 ran systemd-resolved[4687]: DNSSEC validation failed for > question google.com. IN DS: failed-auxiliary > Apr 13 13:56:31 ran systemd-resolved[4687]: DNSSEC validation failed for > question google.com. IN SOA: failed-auxiliary > Apr 13 13:56:31 ran systemd-resolved[4687]: DNSSEC validation failed for > question google.com. IN A: failed-auxiliary > Apr 13 13:56:31 ran kernel: systemd-resolve[4687]: segfault at 5c ip > 000055b0062a5c57 sp 00007ffee0d320a0 error 4 in > systemd-resolved[55b006281000+9d000] > Apr 13 13:56:31 ran systemd[1]: systemd-resolved.service: Main process > exited, code=killed, status=11/SEGV > Apr 13 13:56:31 ran systemd[1]: systemd-resolved.service: Unit entered failed > state. > Apr 13 13:56:31 ran systemd[1]: systemd-resolved.service: Failed with result > 'signal'. > Apr 13 13:56:31 ran systemd[1]: systemd-resolved.service: Service has no > hold-off time, scheduling restart. > Apr 13 13:56:31 ran systemd[1]: Stopped Network Name Resolution. > Apr 13 13:56:31 ran systemd[1]: org.freedesktop.resolve1.busname: Start > request repeated too quickly. > Apr 13 13:56:31 ran systemd[1]: Failed to listen on Network Name Resolution > Service Bus Name. > Apr 13 13:56:31 ran systemd[1]: systemd-resolved.service: Start request > repeated too quickly. > Apr 13 13:56:31 ran systemd[1]: Failed to start Network Name Resolution. > > coredumpctl doesn't show the crash so can't say what it's about. Maybe > it's a distro problem (archlinux) or it's fixed in git.
It's probably the bug that was fixed in https://github.com/systemd/systemd/pull/2702. Zbyszek _______________________________________________ systemd-devel mailing list systemd-devel@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/systemd-devel