Description of problem: After a windows PC connected to this dock had its "Lenovo USB 3.0 dock" drivers updated the dock ethernet does not work with linux anymore. Version-Release number of selected component (if applicable): kernel 3.11.7-300.fc20.x86_64 How reproducible: always Steps to Reproduce: 1. 2. 3. Actual results: No wired ethernet enabled. Error messages from constant connect/disconnect in messages. Expected results: Additional info: === this keeps repeating in dmesg output [ 1531.824856] cdc_ncm: enp0s20u2u4u1i5: 100 mbit/s downlink 100 mbit/s uplink [ 1531.825846] cdc_ncm: enp0s20u2u4u1i5: network connection: connected [ 1532.576563] cdc_ncm: enp0s20u2u4u1i5: network connection: disconnected === in /var/log/messages when disconnecting the ethernet cable: Nov 8 09:24:24 sch-lf-00047 dbus-daemon: dbus[450]: [system] Activating via systemd: service name='org.freedesktop.ModemManager1' unit='dbus-org.freedesktop.ModemManager1.service' Nov 8 09:24:24 sch-lf-00047 dbus[450]: [system] Activating via systemd: service name='org.freedesktop.ModemManager1' unit='dbus-org.freedesktop.ModemManager1.service' Nov 8 09:24:24 sch-lf-00047 dbus[450]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.ModemManager1.service': Unit dbus-org.freedesktop.ModemManager1.service failed to load: No such file or directory. Nov 8 09:24:24 sch-lf-00047 dbus-daemon: dbus[450]: [system] Activation via systemd failed for unit 'dbus-org.freedesktop.ModemManager1.service': Unit dbus-org.freedesktop.ModemManager1.service failed to load: No such file or directory. === in /var/log/messages when resconnecting the ethernet cable: Nov 8 09:24:50 sch-lf-00047 kernel: [ 2550.385392] cdc_ncm: enp0s20u2u4u1i5: 100 mbit/s downlink 100 mbit/s uplink Nov 8 09:24:50 sch-lf-00047 kernel: [ 2550.386349] cdc_ncm: enp0s20u2u4u1i5: network connection: connected Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> (enp0s20u2u4u1i5): link connected Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> (enp0s20u2u4u1i5): device state change: unavailable -> disconnected (reason 'carrier-changed') [20 30 40] Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Auto-activating connection 'enp0s20u2u4u1i5'. Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) starting connection 'enp0s20u2u4u1i5' Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> (enp0s20u2u4u1i5): device state change: disconnected -> prepare (reason 'none') [30 40 0] Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 1 of 5 (Device Prepare) scheduled... Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 1 of 5 (Device Prepare) started... Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 2 of 5 (Device Configure) scheduled... Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 1 of 5 (Device Prepare) complete. Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 2 of 5 (Device Configure) starting... Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> (enp0s20u2u4u1i5): device state change: prepare -> config (reason 'none') [40 50 0] Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 2 of 5 (Device Configure) successful. Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 2 of 5 (Device Configure) complete. Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 3 of 5 (IP Configure Start) scheduled. Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 3 of 5 (IP Configure Start) started... Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> (enp0s20u2u4u1i5): device state change: config -> ip-config (reason 'none') [50 70 0] Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Beginning DHCPv4 transaction (timeout in 45 seconds) Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> dhclient started with pid 12483 Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> Activation (enp0s20u2u4u1i5) Stage 3 of 5 (IP Configure Start) complete. Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: Internet Systems Consortium DHCP Client 4.2.5 Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: Copyright 2004-2013 Internet Systems Consortium. Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: All rights reserved. Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: For info, please visit https://www.isc.org/software/dhcp/ Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: Nov 8 09:24:50 sch-lf-00047 NetworkManager: Internet Systems Consortium DHCP Client 4.2.5 Nov 8 09:24:50 sch-lf-00047 NetworkManager: Copyright 2004-2013 Internet Systems Consortium. Nov 8 09:24:50 sch-lf-00047 NetworkManager: All rights reserved. Nov 8 09:24:50 sch-lf-00047 NetworkManager: For info, please visit https://www.isc.org/software/dhcp/ Nov 8 09:24:50 sch-lf-00047 NetworkManager[584]: <info> (enp0s20u2u4u1i5): DHCPv4 state changed nbi -> preinit Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: Listening on LPF/enp0s20u2u4u1i5/00:50:b6:5c:e2:2b Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: Sending on LPF/enp0s20u2u4u1i5/00:50:b6:5c:e2:2b Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: Sending on Socket/fallback Nov 8 09:24:50 sch-lf-00047 dhclient[12483]: DHCPREQUEST on enp0s20u2u4u1i5 to 255.255.255.255 port 67 (xid=0x40021858) Nov 8 09:24:50 sch-lf-00047 NetworkManager: Listening on LPF/enp0s20u2u4u1i5/00:50:b6:5c:e2:2b Nov 8 09:24:50 sch-lf-00047 NetworkManager: Sending on LPF/enp0s20u2u4u1i5/00:50:b6:5c:e2:2b Nov 8 09:24:50 sch-lf-00047 NetworkManager: Sending on Socket/fallback Nov 8 09:24:50 sch-lf-00047 NetworkManager: DHCPREQUEST on enp0s20u2u4u1i5 to 255.255.255.255 port 67 (xid=0x40021858)
*********** MASS BUG UPDATE ************** We apologize for the inconvenience. There is a large number of bugs to go through and several of them have gone stale. Due to this, we are doing a mass bug update across all of the Fedora 20 kernel bugs. Fedora 20 has now been rebased to 3.13.4-200.fc20. Please test this kernel update and let us know if you issue has been resolved or if it is still present with the newer kernel. If you experience different issues, please open a new bug report for those.
*********** MASS BUG UPDATE ************** This bug has been in a needinfo state for several weeks and is being closed with insufficient data due to inactivity. If this is still an issue with Fedora 20, please feel free to reopen the bug and provide the additional information requested.