Thorsten Jolitz via arch-general <arch-general@xxxxxxxxxxxxx> writes: Hello, following up to my own post: > Marcel Hoppe via arch-general <arch-general@xxxxxxxxxxxxx> writes: > > Hi Marcel, Hi Robin, > > thanks for your answers. > >> I resolved the same problem 😉 on my systems I run the networkmanager and >> this works long time - I'm not sure but I think the problem was that >> systemd gets or starts its own revolver service. After disabling it and >> deleting the linked resolve.conf the networkmanager creates it after a >> restart again and it works. > > In Arch it's all about IPv6 it seems, so I did not want to disable > it. Instead I deleted the old resolve.conf (it was replaced > automatically by systemd). I replaced one (probably wrong) reference to > IPv4 with IPv6 in my config, and started and enabled the network service > again. > > Now pinging works for both protocols, and my internet connection went > from incredibly slow to more or less acceptable. So yesterday it worked, pinging IPv6 adresses as well as having acceptable internet connection speed. Today not anymore, although I did not change anything (ok, wasn't there a kernel update yesterday?) Any help interpreting this messages would be appreciated: ,---- | Jan 28 13:03:58 arch systemd[1]: Timed out waiting for device | sys-subsystem-net-devices-service.device. | -- Subject: Unit sys-subsystem-net-devices-service.device has failed | -- Defined-By: systemd | -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel | -- | -- Unit sys-subsystem-net-devices-service.device has failed. | -- | -- The result is timeout. | Jan 28 13:03:58 arch systemd[1]: Dependency failed for dhcpcd on | service. | -- Subject: Unit dhcpcd@service.service has failed | -- Defined-By: systemd | -- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel | -- | -- Unit dhcpcd@service.service has failed. | -- | -- The result is dependency. | Jan 28 13:03:58 arch systemd[1]: dhcpcd@service.service: Job | dhcpcd@service.service/start failed with result 'dependency'. `---- Just time out because of lousy internet connecton? ,---- | /run: | -rw-r--r-- 1 root root 5 28. Jan 09:56 dhcpcd.pid `---- ,---- | $ ps 1952 | PID TTY STAT TIME COMMAND | 1952 ? Ss 0:00 dhcpcd `---- At startup, when calling dhcpcd, messages indicate that things worked out, but it seems the service never really started? > PS > ,---- > | $ ping -c 3 www.google.com > | PING www.google.com(waw02s07-in-x04.1e100.net > | (2a00:1450:401b:802::2004%2)) 56 data bytes > | 64 bytes from waw02s07-in-x04.1e100.net (2a00:1450:401b:802::2004): > | icmp_seq=1 ttl=53 time=54.2 ms > | 64 bytes from waw02s07-in-x04.1e100.net (2a00:1450:401b:802::2004): > | icmp_seq=2 ttl=53 time=49.2 ms > | 64 bytes from waw02s07-in-x04.1e100.net (2a00:1450:401b:802::2004): > | icmp_seq=3 ttl=53 time=50.2 ms > | > | --- www.google.com ping statistics --- > | 3 packets transmitted, 3 received, 0% packet loss, time 2003ms > | rtt min/avg/max/mdev = 49.253/51.266/54.294/2.187 ms > `---- > > ,---- > | $ ping -c 3 ipv6.google.com > | PING ipv6.google.com(waw02s08-in-x0e.1e100.net > | (2a00:1450:401b:803::200e%2)) 56 data bytes > | 64 bytes from waw02s08-in-x0e.1e100.net (2a00:1450:401b:803::200e): > | icmp_seq=1 ttl=53 time=82.3 ms > | 64 bytes from waw02s08-in-x0e.1e100.net (2a00:1450:401b:803::200e): > | icmp_seq=2 ttl=53 time=48.7 ms > | 64 bytes from waw02s08-in-x0e.1e100.net (2a00:1450:401b:803::200e): > | icmp_seq=3 ttl=53 time=48.8 ms > | > | --- ipv6.google.com ping statistics --- > | 3 packets transmitted, 3 received, 0% packet loss, time 2003ms > | rtt min/avg/max/mdev = 48.754/59.986/82.355/15.819 ms > `---- > > ,---- > | $ ping -c 3 www.web.de > | PING www.g-ha-web.de (82.165.230.17) 56(84) bytes of data. > | 64 bytes from bap.web.de (82.165.230.17): icmp_seq=1 ttl=247 time=226 ms > | 64 bytes from bap.web.de (82.165.230.17): icmp_seq=2 ttl=247 time=27.8 > | ms > | 64 bytes from bap.web.de (82.165.230.17): icmp_seq=3 ttl=247 time=27.4 > | ms > | > | --- www.g-ha-web.de ping statistics --- > | 3 packets transmitted, 3 received, 0% packet loss, time 2003ms > | rtt min/avg/max/mdev = 27.429/93.814/226.124/93.557 ms > `---- > >> Greets, >> Marcel >> >> Am 22.01.2017 17:31 schrieb "Robin via arch-general" < >> arch-general@xxxxxxxxxxxxx>: >> >>> Hi, >>> >>> seems like a ipv6 related problem. Your DNS Lookup is v4, first ping is >>> v6 and second ping is v4 again. Try to ping the ipv4 address of >>> google.com. But im pretty sure this is not arch related. >>> >>> Maybe you should try to disable ipv6 system wide and then check if it >>> works. >>> >>> Cheers, >>> Robin >>> > Hello List, >>> > sometime age my msmtp imap connections just stopped working. >>> > Investigating the cause, I checked quite a lot of things, and came >>> > across the ping "100% package loss" problem: >>> >> -- cheers, Thorsten
