I also found a crash (probably unrelated to IPv6). In this syslog, I booted the Live CD on a computer connected to a dual- stacked network using wired ethernet. As in test #1 above, it connected only using IPv4, apparently ignoring that the default IPv6 mode was «automatic». I entered the connection editor, looked around, and pressed save/apply/ok (or something like that) - without actually having changed any of the settings. NetworkManager instantly crashed:
Aug 6 13:59:54 ubuntu NetworkManager[1695]: <info> Saved default wired connection 'Wired connect ion 1' to persistent storage Aug 6 13:59:54 ubuntu NetworkManager[1695]: nm_connection_duplicate: assertion `NM_IS_CONNECTION (connection)' failed Aug 6 13:59:54 ubuntu NetworkManager[1695]: nm_connection_for_each_setting_value: assertion `NM_ IS_CONNECTION (connection)' failed Aug 6 13:59:54 ubuntu kernel: [ 77.405230] NetworkManager[1695]: segfault at aaaaaaaa ip 00e4d 6b2 sp bf952e40 error 4 in libgobject-2.0.so.0.2914.0[e19000+4f000] Aug 6 13:59:54 ubuntu dbus[1420]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' Aug 6 13:59:55 ubuntu modem-manager[1463]: <info> Caught signal 15, shutting down... Aug 6 13:59:55 ubuntu kernel: [ 78.630912] init: network-manager main process (1695) killed by SEGV signal Aug 6 13:59:55 ubuntu kernel: [ 78.630942] init: network-manager main process ended, respawning After this, NM automatically restarted, and attempted to re-connect to the network. Now it *DID* attempt DHCPv6 as well, however it failed for four consecutive times with the «didn't bind to a lease» error, until it finally succeeded on the fifth try, this time correctly configuring all IPv6 information. Tore ** Attachment added: "Syslog from NM crash when saving unchanged settings" https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/761558/+attachment/2258241/+files/syslog -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/761558 Title: Default to enabling IPv6 addresses, but set to optional to bring up devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/761558/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
