Hi Dan, Am 27.06.2014 20:40, schrieb Dan Williams: > On Fri, 2014-06-27 at 11:15 -0500, Dan Williams wrote: >> On Fri, 2014-06-27 at 10:43 +0200, Florian Klink wrote: >>> Hi, >>> >>> caused by some package upgrades, (I'm quite sure it is caused by dhcpcd >>> upgrade from 6.3.2-1 to 6.4.0-1), I don't receive any more ipv6 default >>> routes from DHCPv6-enabled networks. >>> >>> It suddenly stopped working in two different networks, while it still >>> works on other machines, and the dhcpcd upgrade was also during this time. >>> >>> Arch Linux amd64 >>> kernel 3.15.0 >>> networkmanager 0.9.8.10-3 >>> dhcpcd 6.4.0-1 >>> >>> I still receive an ipv6 address of the network, and can ping machines >>> inside the network. >>> >>> Networkmanager log doesn't look really suspicios, I attached it anyways.
I don't see any NAK in the attached systemd journal excerpt, so something else must cause the default to disappear/not appear at all... Or do I need to enable some debug flags before? The IPv6 address gets assigned and stays there. I can ping6 hosts in the same network without problems. >> >> The default route actually comes from the RA, not DHCPv6. But check >> your logs for a "NAK" coming from dhcpcd. If you see that, then I'll >> bet its the same problem that I've been corresponding with a user over >> IRC about. dhcpcd touches addresses internally, and when it gets a NAK >> it actually removes the IP address from the interface, which could cause >> the kernel to remove the default route too. Unfortunately, due to an >> issue in NetworkManager, it is never notified of this event, and ignores >> the fact that things changed, and thus doesn't restore the default >> route. >> >> Let me know if you do see "NAK" in your logs... > > If you do, please try the attached patch (for NM 0.9.8.x) and let the > NAK happen again. If you again lose the default route, then please grab > logs from wherever your syslog daemon facility goes too. If you're > using systemd, that'll be "journalctl -b -u NetworkManager", otherwise > it's /var/log/syslog, /var/log/messages, /var/log/daemon.log, > or /var/log/NetworkManager.log depending on your distro. > > Thanks! > Dan >
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