NetworkManager/Arch Linux: resolv.conf setzt sich nach aufwecken aus Standby zurü

    Moin,

    ich habe hier ein seltsames Verhalten auf meinem Notebook.

    Mein Thinkpad nutze ich sowohl im Büro als auch zuhause. Klassisches BYOD halt. Sowohl zuhause als auch im Büro gibt es einen DNS-Server, der meinem Notebook per DHCP mitgeteilt wird. Soweit so gut.

    Nun kommt der skurrile Part: Immer wenn ich mein Notebook zuhause aus dem Standby aufwecke, habe ich die DNS-Daten vom Büro in der resolv.conf stehen und jede DNS-Abfrage dauert ewig, da er den Firmen-DNS natürlich nicht findet.

    So sieht das dann aus:

    Code
    18:48 afeld@feldibookArch /home/afeld
% cat /etc/resolv.conf
# Generated by resolvconf
domain syn
nameserver 10.0.1.1
nameserver 192.168.2.1


    Der obere DNS-Server und die Suchdomäne sind aus dem Büro, der Eintrag ganz unten von Zuhause.

    Kleiner Hinweis: Ich verwende den Network Manager, dessen Aufgabe es ja eigentlich sein sollte, diese Einträge sauber zu unterscheiden..

    Hat jemand ne Idee? Helfen euch eventuell bestimmte Logs? Falls ja, sagt einfach Bescheid.

    Schöne Grüße vom Tux

    Ist das WLAN oder Ethernet? Wenn Ethernet, hilft es etwas, die Verbindung zu de- und wieder aktivieren direkt nach dem Verbinden? Was steht nebenher im Log (# journalctl -f vorher starten und mitlesen, # journalctl -u NetworkManager.service bringt erfahrungsgemäß leider nicht alles, was man da so will)?

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    Jetzt wirds interessant. Das im Büro ist LAN, das zuhause WLAN.

    Habe einfach mal das Journaldings gestartet, Standby gemacht und wieder geweckt. Da kann man sicher einiges wegkürzen, ich habe es hier der Vollständigkeit halber einfach mal komplett reingesetzt. Die DNS-bezogenen Daten habe ich mal fett markiert. Man sieht auch deutlich, dass er die korrekte DNS-IP (192.168.2.1) ausm DNS bekommt.

    Hier die Ausgabe:

    Spoiler anzeigen


    18:56 afeld@feldibookArch /home/afeld
    % sudo journalctl -f
    -- Logs begin at Do 2015-10-01 15:54:26 CEST. --
    Nov 03 18:55:24 feldibookArch dbus[279]: [system] Successfully activated service 'org.manjaro.pamac'
    Nov 03 18:55:24 feldibookArch systemd[1]: Starting Pamac...
    Nov 03 18:55:24 feldibookArch systemd[1]: Started Pamac.
    Nov 03 18:55:32 feldibookArch polkitd[448]: Operator of unix-session:c1 successfully authenticated as unix-user:root to gain TEMPORARY authorization for action org.manjaro.pamac.commit for system-bus-name::1.340 [pamac-updater] (owned by unix-user:afeld)
    Nov 03 18:55:34 feldibookArch dbus[279]: [system] Activating via systemd: service name='org.manjaro.pamac' unit='pamac.service'
    Nov 03 18:55:34 feldibookArch systemd[1]: Starting Pamac...
    Nov 03 18:55:34 feldibookArch dbus[279]: [system] Successfully activated service 'org.manjaro.pamac'
    Nov 03 18:55:34 feldibookArch systemd[1]: Started Pamac.
    Nov 03 18:57:00 feldibookArch sudo[19999]: afeld : TTY=pts/0 ; PWD=/home/afeld ; USER=root ; COMMAND=/usr/sbin/journalctl -f
    Nov 03 18:57:00 feldibookArch sudo[19999]: pam_unix(sudo:session): session opened for user root by (uid=0)
    Nov 03 18:57:04 feldibookArch systemd-logind[293]: Lid closed.
    Nov 03 18:57:04 feldibookArch NetworkManager[14489]: <info> sleep requested (sleeping: no enabled: yes)
    Nov 03 18:57:04 feldibookArch systemd-logind[293]: Suspending...
    Nov 03 18:57:04 feldibookArch NetworkManager[14489]: <info> sleeping...
    Nov 03 18:57:04 feldibookArch NetworkManager[14489]: <info> (enp0s25): device state change: unavailable -> unmanaged (reason 'sleeping') [20 10 37]
    Nov 03 18:57:04 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: activated -> unmanaged (reason 'sleeping') [100 10 37]
    Nov 03 18:57:04 feldibookArch kernel: e1000e: enp0s25 NIC Link is Down
    Nov 03 18:57:04 feldibookArch NetworkManager[14489]: <info> (wlp3s0): canceled DHCP transaction, DHCP client pid 19198
    Nov 03 18:57:04 feldibookArch NetworkManager[14489]: <info> (wlp3s0): DHCPv4 state changed bound -> done
    Nov 03 18:57:04 feldibookArch kernel: wlp3s0: deauthenticating from 18:83:bf:30:7b:40 by local choice (Reason: 3=DEAUTH_LEAVING)
    Nov 03 18:57:05 feldibookArch avahi-daemon[294]: Withdrawing address record for 192.168.2.171 on wlp3s0.
    Nov 03 18:57:05 feldibookArch avahi-daemon[294]: Leaving mDNS multicast group on interface wlp3s0.IPv4 with address 192.168.2.171.
    Nov 03 18:57:05 feldibookArch avahi-daemon[294]: Interface wlp3s0.IPv4 no longer relevant for mDNS.
    Nov 03 18:57:05 feldibookArch avahi-daemon[294]: Withdrawing address record for fe80::3602:86ff:fe18:7e23 on wlp3s0.
    Nov 03 18:57:05 feldibookArch NetworkManager[14489]: <info> Removing DNS information from /usr/bin/resolvconf
    Nov 03 18:57:05 feldibookArch avahi-daemon[294]: Leaving mDNS multicast group on interface wlp3s0.IPv6 with address fe80::3602:86ff:fe18:7e23.
    Nov 03 18:57:05 feldibookArch avahi-daemon[294]: Interface wlp3s0.IPv6 no longer relevant for mDNS.
    Nov 03 18:57:05 feldibookArch NetworkManager[14489]: <info> NetworkManager state is now ASLEEP
    Nov 03 18:57:05 feldibookArch NetworkManager[14489]: <warn> Failed to GDBus.Error:fi.w1.wpa_supplicant1.NotConnected: This interface is not connected: disconnect.
    Nov 03 18:57:05 feldibookArch dbus[279]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service'
    Nov 03 18:57:05 feldibookArch systemd[1]: Starting Network Manager Script Dispatcher Service...
    Nov 03 18:57:05 feldibookArch dbus[279]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher'
    Nov 03 18:57:05 feldibookArch systemd[1]: Started Network Manager Script Dispatcher Service.
    Nov 03 18:57:05 feldibookArch nm-dispatcher[20039]: Dispatching action 'down' for wlp3s0
    Nov 03 18:57:05 feldibookArch systemd[1]: Reached target Sleep.
    Nov 03 18:57:05 feldibookArch systemd[1]: Starting Suspend...
    Nov 03 18:57:05 feldibookArch systemd-sleep[20043]: Suspending system...
    Nov 03 18:57:13 feldibookArch kernel: PM: Syncing filesystems ... done.
    Nov 03 18:57:13 feldibookArch kernel: PM: Preparing system for sleep (mem)
    Nov 03 18:57:13 feldibookArch kernel: Freezing user space processes ... (elapsed 0.001 seconds) done.
    Nov 03 18:57:13 feldibookArch kernel: Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
    Nov 03 18:57:13 feldibookArch kernel: PM: Suspending system (mem)
    Nov 03 18:57:13 feldibookArch kernel: Suspending console(s) (use no_console_suspend to debug)
    Nov 03 18:57:13 feldibookArch kernel: sd 0:0:0:0: [sda] Synchronizing SCSI cache
    Nov 03 18:57:13 feldibookArch kernel: sd 0:0:0:0: [sda] Stopping disk
    Nov 03 18:57:13 feldibookArch kernel: e1000e: EEE TX LPI TIMER: 00000011
    Nov 03 18:57:13 feldibookArch kernel: PM: suspend of devices complete after 348.274 msecs
    Nov 03 18:57:13 feldibookArch kernel: PM: late suspend of devices complete after 19.689 msecs
    Nov 03 18:57:13 feldibookArch kernel: ehci-pci 0000:00:1d.0: System wakeup enabled by ACPI
    Nov 03 18:57:13 feldibookArch kernel: xhci_hcd 0000:00:14.0: System wakeup enabled by ACPI
    Nov 03 18:57:13 feldibookArch kernel: PM: noirq suspend of devices complete after 13.661 msecs
    Nov 03 18:57:13 feldibookArch kernel: ACPI: Preparing to enter system sleep state S3
    Nov 03 18:57:13 feldibookArch kernel: ACPI : EC: EC stopped
    Nov 03 18:57:13 feldibookArch kernel: PM: Saving platform NVS memory
    Nov 03 18:57:13 feldibookArch kernel: Disabling non-boot CPUs ...
    Nov 03 18:57:13 feldibookArch kernel: smpboot: CPU 1 is now offline
    Nov 03 18:57:13 feldibookArch kernel: smpboot: CPU 2 is now offline
    Nov 03 18:57:13 feldibookArch kernel: smpboot: CPU 3 is now offline
    Nov 03 18:57:13 feldibookArch kernel: ACPI: Low-level resume complete
    Nov 03 18:57:13 feldibookArch kernel: ACPI : EC: EC started
    Nov 03 18:57:13 feldibookArch kernel: PM: Restoring platform NVS memory
    Nov 03 18:57:13 feldibookArch kernel: Enabling non-boot CPUs ...
    Nov 03 18:57:13 feldibookArch kernel: x86: Booting SMP configuration:
    Nov 03 18:57:13 feldibookArch kernel: smpboot: Booting Node 0 Processor 1 APIC 0x1
    Nov 03 18:57:13 feldibookArch kernel: cache: parent cpu1 should not be sleeping
    Nov 03 18:57:13 feldibookArch kernel: CPU1 is up
    Nov 03 18:57:13 feldibookArch kernel: smpboot: Booting Node 0 Processor 2 APIC 0x2
    Nov 03 18:57:13 feldibookArch kernel: cache: parent cpu2 should not be sleeping
    Nov 03 18:57:13 feldibookArch kernel: CPU2 is up
    Nov 03 18:57:13 feldibookArch kernel: smpboot: Booting Node 0 Processor 3 APIC 0x3
    Nov 03 18:57:13 feldibookArch kernel: cache: parent cpu3 should not be sleeping
    Nov 03 18:57:13 feldibookArch kernel: CPU3 is up
    Nov 03 18:57:13 feldibookArch kernel: ACPI: Waking up from system sleep state S3
    Nov 03 18:57:13 feldibookArch kernel: acpi LNXPOWER:02: Turning OFF
    Nov 03 18:57:13 feldibookArch kernel: ehci-pci 0000:00:1d.0: System wakeup disabled by ACPI
    Nov 03 18:57:13 feldibookArch kernel: xhci_hcd 0000:00:14.0: System wakeup disabled by ACPI
    Nov 03 18:57:13 feldibookArch kernel: PM: noirq resume of devices complete after 15.139 msecs
    Nov 03 18:57:13 feldibookArch kernel: PM: early resume of devices complete after 5.729 msecs
    Nov 03 18:57:13 feldibookArch kernel: rtc_cmos 00:02: System wakeup disabled by ACPI
    Nov 03 18:57:13 feldibookArch kernel: sd 0:0:0:0: [sda] Starting disk
    Nov 03 18:57:13 feldibookArch kernel: tpm_tis 00:05: TPM is disabled/deactivated (0x6)
    Nov 03 18:57:13 feldibookArch kernel: xhci_hcd 0000:00:14.0: port 6 resume PLC timeout
    Nov 03 18:57:13 feldibookArch kernel: xhci_hcd 0000:00:14.0: port 5 resume PLC timeout
    Nov 03 18:57:13 feldibookArch kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: ACPI cmd ef/10:09:00:00:00:a0 (SET FEATURES) succeeded
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: supports DRM functions and may not be fully accessible
    Nov 03 18:57:13 feldibookArch kernel: usb 2-6: reset full-speed USB device number 2 using xhci_hcd
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: ACPI cmd ef/02:00:00:00:00:a0 (SET FEATURES) succeeded
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: ACPI cmd f5/00:00:00:00:00:a0 (SECURITY FREEZE LOCK) filtered out
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: ACPI cmd ef/10:09:00:00:00:a0 (SET FEATURES) succeeded
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: supports DRM functions and may not be fully accessible
    Nov 03 18:57:13 feldibookArch kernel: ata1.00: configured for UDMA/133
    Nov 03 18:57:13 feldibookArch kernel: usb 2-8: reset high-speed USB device number 4 using xhci_hcd
    Nov 03 18:57:13 feldibookArch kernel: psmouse serio1: synaptics: queried max coordinates: x [..5676], y [..4758]
    Nov 03 18:57:13 feldibookArch kernel: psmouse serio1: synaptics: queried min coordinates: x [1266..], y [1096..]
    Nov 03 18:57:13 feldibookArch kernel: restoring control 00000000-0000-0000-0000-000000000001/2/3
    Nov 03 18:57:13 feldibookArch kernel: usb 2-7: reset full-speed USB device number 10 using xhci_hcd
    Nov 03 18:57:13 feldibookArch kernel: PM: resume of devices complete after 1171.173 msecs
    Nov 03 18:57:13 feldibookArch kernel: PM: Finishing wakeup.
    Nov 03 18:57:13 feldibookArch systemd[1]: Time has been changed
    Nov 03 18:57:13 feldibookArch systemd[715]: Time has been changed
    Nov 03 18:57:13 feldibookArch kernel: Restarting tasks ... done.
    Nov 03 18:57:13 feldibookArch kernel: Bluetooth: hci0: read Intel version: 370810011003110e00
    Nov 03 18:57:13 feldibookArch kernel: Bluetooth: hci0: Intel Bluetooth firmware file: intel/ibt-hw-37.8.10-fw-1.10.3.11.e.bseq
    Nov 03 18:57:13 feldibookArch kernel: IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> wake requested (sleeping: yes enabled: yes)
    Nov 03 18:57:13 feldibookArch systemd-logind[293]: Lid opened.
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> waking up...
    Nov 03 18:57:13 feldibookArch systemd[1]: Starting Load/Save RF Kill Switch Status...
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> (enp0s25): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
    Nov 03 18:57:13 feldibookArch systemd[1]: Reached target Bluetooth.
    Nov 03 18:57:13 feldibookArch systemd[1]: Started Load/Save RF Kill Switch Status.
    Nov 03 18:57:13 feldibookArch systemd-sleep[20043]: System resumed.
    Nov 03 18:57:13 feldibookArch systemd[1]: Started Suspend.
    Nov 03 18:57:13 feldibookArch systemd[1]: sleep.target: Unit not needed anymore. Stopping.
    Nov 03 18:57:13 feldibookArch systemd[1]: Stopped target Sleep.
    Nov 03 18:57:13 feldibookArch systemd[1]: Reached target Suspend.
    Nov 03 18:57:13 feldibookArch systemd-logind[293]: Operation finished.
    Nov 03 18:57:13 feldibookArch systemd[1]: suspend.target: Unit is bound to inactive unit systemd-suspend.service. Stopping, too.
    Nov 03 18:57:13 feldibookArch systemd[1]: Stopped target Suspend.
    Nov 03 18:57:13 feldibookArch kernel: Bluetooth: hci0: Intel Bluetooth firmware patch completed and activated
    Nov 03 18:57:13 feldibookArch ntpd[687]: Deleting interface #31 wlp3s0, 192.168.2.171#123, interface stats: received=14, sent=14, dropped=0, active_time=534 secs
    Nov 03 18:57:13 feldibookArch ntpd[687]: 178.23.124.2 local addr 192.168.2.171 -> <null>
    Nov 03 18:57:13 feldibookArch ntpd[687]: 178.23.121.164 local addr 192.168.2.171 -> <null>
    Nov 03 18:57:13 feldibookArch ntpd[687]: 176.9.102.215 local addr 192.168.2.171 -> <null>
    Nov 03 18:57:13 feldibookArch ntpd[687]: 129.250.35.251 local addr 192.168.2.171 -> <null>
    Nov 03 18:57:13 feldibookArch ntpd[687]: Deleting interface #32 wlp3s0, fe80::3602:86ff:fe18:7e23%2#123, interface stats: received=0, sent=0, dropped=0, active_time=534 secs
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
    Nov 03 18:57:13 feldibookArch kernel: IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready
    Nov 03 18:57:13 feldibookArch kernel: IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
    Nov 03 18:57:13 feldibookArch kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
    Nov 03 18:57:13 feldibookArch kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Failed to obtain handles for "Service Changed" characteristic
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Not enough free handles to register service
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Error adding Link Loss service
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Not enough free handles to register service
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Not enough free handles to register service
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Not enough free handles to register service
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Current Time Service could not be registered
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: gatt-time-server: Input/output error (5)
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Not enough free handles to register service
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Not enough free handles to register service
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: Sap driver initialization failed.
    Nov 03 18:57:13 feldibookArch bluetoothd[449]: sap-server: Operation not permitted (1)
    Nov 03 18:57:13 feldibookArch kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
    Nov 03 18:57:13 feldibookArch kernel: iwlwifi 0000:03:00.0: L1 Enabled - LTR Enabled
    Nov 03 18:57:13 feldibookArch kernel: IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> NetworkManager state is now CONNECTED_LOCAL
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> (wlp3s0) supports 5 scan SSIDs
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: starting -> ready
    Nov 03 18:57:13 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42]
    Nov 03 18:57:13 feldibookArch kernel: IPv6: ADDRCONF(NETDEV_UP): wlp3s0: link is not ready
    Nov 03 18:57:16 feldibookArch cinnamon-screensaver-dialog[20147]: gkr-pam: unlocked login keyring
    Nov 03 18:57:16 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: ready -> inactive
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Auto-activating connection 'Automatisch feldiLAN'.
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): Activation: starting connection 'Automatisch feldiLAN' (c9dbc972-4acf-4f8f-87ff-01aa4c729141)
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: disconnected -> prepare (reason 'none') [30 40 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> NetworkManager state is now CONNECTING
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: prepare -> config (reason 'none') [40 50 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): Activation: (wifi) access point 'Automatisch feldiLAN' has security, but secrets are required.
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: config -> need-auth (reason 'none') [50 60 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: need-auth -> prepare (reason 'none') [60 40 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: prepare -> config (reason 'none') [40 50 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): Activation: (wifi) connection 'Automatisch feldiLAN' has security, and secrets exist. No new secrets needed.
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Config: added 'ssid' value 'feldiLAN'
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Config: added 'scan_ssid' value '1'
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Config: added 'key_mgmt' value 'WPA-PSK'
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Config: added 'auth_alg' value 'OPEN'
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Config: added 'psk' value '<omitted>'
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Config: set interface ap_scan to 1
    Nov 03 18:57:17 feldibookArch kernel: wlp3s0: authenticate with 18:83:bf:30:7b:3e
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: inactive -> authenticating
    Nov 03 18:57:17 feldibookArch kernel: wlp3s0: send auth to 18:83:bf:30:7b:3e (try 1/3)
    Nov 03 18:57:17 feldibookArch kernel: wlp3s0: authenticated
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: authenticating -> associating
    Nov 03 18:57:17 feldibookArch kernel: wlp3s0: associate with 18:83:bf:30:7b:3e (try 1/3)
    Nov 03 18:57:17 feldibookArch kernel: wlp3s0: RX AssocResp from 18:83:bf:30:7b:3e (capab=0x111 status=0 aid=1)
    Nov 03 18:57:17 feldibookArch kernel: wlp3s0: associated
    Nov 03 18:57:17 feldibookArch kernel: IPv6: ADDRCONF(NETDEV_CHANGE): wlp3s0: link becomes ready
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: associating -> associated
    Nov 03 18:57:17 feldibookArch kernel: wlp3s0: Limiting TX power to 20 (20 - 0) dBm as advertised by 18:83:bf:30:7b:3e
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: associated -> completed
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): Activation: (wifi) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'feldiLAN'.
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: config -> ip-config (reason 'none') [50 70 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Activation (wlp3s0) Beginning DHCPv4 transaction (timeout in 45 seconds)
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> dhclient started with pid 20191
    Nov 03 18:57:17 feldibookArch dhclient[20191]: DHCPREQUEST on wlp3s0 to 255.255.255.255 port 67
    Nov 03 18:57:17 feldibookArch dhclient[20191]: DHCPACK from 192.168.2.1
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> address 192.168.2.171
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> plen 24 (255.255.255.0)
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> gateway 192.168.2.1
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> server identifier 192.168.2.1
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> lease time 86400
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> nameserver '192.168.2.1'
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): DHCPv4 state changed unknown -> bound
    Nov 03 18:57:17 feldibookArch avahi-daemon[294]: Joining mDNS multicast group on interface wlp3s0.IPv4 with address 192.168.2.171.
    Nov 03 18:57:17 feldibookArch avahi-daemon[294]: New relevant interface wlp3s0.IPv4 for mDNS.
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: ip-config -> ip-check (reason 'none') [70 80 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: ip-check -> secondaries (reason 'none') [80 90 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): device state change: secondaries -> activated (reason 'none') [90 100 0]
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> NetworkManager state is now CONNECTED_LOCAL
    Nov 03 18:57:17 feldibookArch avahi-daemon[294]: Registering new address record for 192.168.2.171 on wlp3s0.IPv4.
    Nov 03 18:57:17 feldibookArch dhclient[20191]: bound to 192.168.2.171 -- renewal in 33910 seconds.
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> NetworkManager state is now CONNECTED_GLOBAL
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Policy set 'Automatisch feldiLAN' (wlp3s0) as default for IPv4 routing and DNS.
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> Writing DNS information to /usr/bin/resolvconf
    Nov 03 18:57:17 feldibookArch NetworkManager[14489]: <info> (wlp3s0): Activation: successful, device activated.
    Nov 03 18:57:17 feldibookArch nm-dispatcher[20039]: Dispatching action 'up' for wlp3s0
    Nov 03 18:57:17 feldibookArch dbus[279]: [system] Activating via systemd: service name='org.manjaro.pamac' unit='pamac.service'
    Nov 03 18:57:17 feldibookArch systemd[1]: Starting Pamac...
    Nov 03 18:57:17 feldibookArch dbus[279]: [system] Successfully activated service 'org.manjaro.pamac'
    Nov 03 18:57:17 feldibookArch systemd[1]: Started Pamac.
    Nov 03 18:57:18 feldibookArch kernel: wlp3s0: authenticate with 18:83:bf:30:7b:40
    Nov 03 18:57:18 feldibookArch kernel: wlp3s0: send auth to 18:83:bf:30:7b:40 (try 1/3)
    Nov 03 18:57:18 feldibookArch NetworkManager[14489]: <info> (wlp3s0): roamed from BSSID 18:83:BF:30:7B:3E (feldiLAN) to (none) ((none))
    Nov 03 18:57:18 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: completed -> authenticating
    Nov 03 18:57:18 feldibookArch kernel: wlp3s0: authenticated
    Nov 03 18:57:18 feldibookArch kernel: wlp3s0: associate with 18:83:bf:30:7b:40 (try 1/3)
    Nov 03 18:57:18 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: authenticating -> associating
    Nov 03 18:57:18 feldibookArch kernel: wlp3s0: RX AssocResp from 18:83:bf:30:7b:40 (capab=0x411 status=0 aid=1)
    Nov 03 18:57:18 feldibookArch kernel: wlp3s0: associated
    Nov 03 18:57:18 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: associating -> associated
    Nov 03 18:57:18 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: associated -> 4-way handshake
    Nov 03 18:57:18 feldibookArch NetworkManager[14489]: <info> (wlp3s0): supplicant interface state: 4-way handshake -> completed
    Nov 03 18:57:18 feldibookArch NetworkManager[14489]: <info> (wlp3s0): roamed from BSSID (none) ((none)) to 18:83:BF:30:7B:40 (feldiLAN)
    Nov 03 18:57:18 feldibookArch avahi-daemon[294]: Joining mDNS multicast group on interface wlp3s0.IPv6 with address fe80::3602:86ff:fe18:7e23.
    Nov 03 18:57:18 feldibookArch avahi-daemon[294]: New relevant interface wlp3s0.IPv6 for mDNS.
    Nov 03 18:57:18 feldibookArch avahi-daemon[294]: Registering new address record for fe80::3602:86ff:fe18:7e23 on wlp3s0.*.
    Nov 03 18:57:20 feldibookArch ntpd[687]: Listen normally on 33 wlp3s0 192.168.2.171:123
    Nov 03 18:57:20 feldibookArch ntpd[687]: Listen normally on 34 wlp3s0 [fe80::3602:86ff:fe18:7e23%2]:123
    Nov 03 18:57:20 feldibookArch ntpd[687]: new interface(s) found: waking up resolver
    Nov 03 18:57:29 feldibookArch dbus[279]: [system] Activating via systemd: service name='org.manjaro.pamac' unit='pamac.service'
    Nov 03 18:57:29 feldibookArch systemd[1]: Starting Pamac...
    Nov 03 18:57:30 feldibookArch dbus[279]: [system] Successfully activated service 'org.manjaro.pamac'
    Nov 03 18:57:30 feldibookArch systemd[1]: Started Pamac.

    Du hast ziemlich wahrscheinlich ein Problem mit resolvconf. Es könnte helfen, die resolv.conf-Verwaltung durch NetworkManager zu deaktivieren, die Datei neu anzulegen und sie wieder zu aktivieren.

    Alternativ würde ich NetworkManager in Kombination mit dnsmasq empfehlen (so wie es auf Ubuntu Standard ist), wenn du oft Netzwerke wechselst. Damit lässt NetworkManager DNSMasq als lokalen DNS-Cache (in resolv.conf selber steht dann nur noch der Verweis auf 127.0.1.1) laufen, der dann anschließend per DBus von NetworkManager über gewechselte DNS-Server informiert wird, aber gecachte Ergebnisse beibehält.

    Danke, mit dem Umweg über dnsmasq gehts. Ist aber ja eigentlich eher nen Workaround. Kriegt man das auch irgendwie über die resolv.conf hin ohne den Overhead?

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