[Desktop-packages] [Bug 1050434] Re: NM fails to make UMTS connection; deleting and recreating the connection configuration fixes it
This is similar to bug #894124. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1050434 Title: NM fails to make UMTS connection; deleting and recreating the connection configuration fixes it Status in “network-manager” package in Ubuntu: New Bug description: On occasion, network-manager fails to get an UMTS network connection, and quickly refuses all future attempts to use the connection. Reconfiguration of the interface (exactly the same as before) will fix it; seems like nm may mistake a transient error for a permanent one or something. Even removing the connection description from /etc/NetworkManager/system-connections and copying the exact same file back, and attempting a reconnect will fix this particular situation. (This is what I did also in this instance.) Relevant syslog snippet around the attempt to connect to my provider, Saunalahti: Sep 13 16:29:14 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: devices removed (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0) Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (tty/ttyACM0): released by modem /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:14 t420s-4 modem-manager[1199]: info Modem /org/freedesktop/ModemManager/Modems/0: state changed (registered - disabled) Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (ttyACM2) closing serial port... Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (ttyACM2) serial port closed Sep 13 16:29:14 t420s-4 anacron[13863]: Anacron 2.3 started on 2012-09-13 Sep 13 16:29:14 t420s-4 anacron[13863]: Normal exit (0 jobs run) Sep 13 16:29:14 t420s-4 kernel: [24385.860392] usb 2-1.4: new high-speed USB device number 8 using ehci_hcd Sep 13 16:29:14 t420s-4 kernel: [24385.998849] generic-usb: probe of 0003:0BDB:1912.0007 failed with error -71 Sep 13 16:29:14 t420s-4 mtp-probe: checking bus 2, device 8: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:14 t420s-4 mtp-probe: bus: 2, device: 8 was not an MTP device Sep 13 16:29:14 t420s-4 kernel: [24386.208526] usb 2-1.4: USB disconnect, device number 8 Sep 13 16:29:15 t420s-4 kernel: [24387.176121] usb 2-1.4: new high-speed USB device number 9 using ehci_hcd Sep 13 16:29:15 t420s-4 kernel: [24387.308285] cdc_acm 2-1.4:1.1: ttyACM0: USB ACM device Sep 13 16:29:15 t420s-4 kernel: [24387.311154] cdc_acm 2-1.4:1.3: ttyACM1: USB ACM device Sep 13 16:29:15 t420s-4 kernel: [24387.319164] cdc_wdm 2-1.4:1.5: cdc-wdm0: USB WDM device Sep 13 16:29:15 t420s-4 kernel: [24387.334945] usb 2-1.4: MAC-Address: 02:80:37:ec:02:00 Sep 13 16:29:15 t420s-4 kernel: [24387.335134] cdc_ncm 2-1.4:1.6: usb0: register 'cdc_ncm' at usb-:00:1d.0-1.4, CDC NCM, 02:80:37:ec:02:00 Sep 13 16:29:15 t420s-4 kernel: [24387.335731] cdc_wdm 2-1.4:1.8: cdc-wdm1: USB WDM device Sep 13 16:29:15 t420s-4 kernel: [24387.336151] cdc_acm 2-1.4:1.9: ttyACM2: USB ACM device Sep 13 16:29:15 t420s-4 mtp-probe: checking bus 2, device 9: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:15 t420s-4 mtp-probe: bus: 2, device: 9 was not an MTP device Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM0) opening serial port... Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM2) opening serial port... Sep 13 16:29:15 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: devices added (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0) Sep 13 16:29:15 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: device added (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0): no ifupdown configuration found. Sep 13 16:29:15 t420s-4 NetworkManager[1278]: warn failed to allocate link cache: (-10) Operation not supported Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): carrier is OFF Sep 13 16:29:15 t420s-4 NetworkManager[1278]: error [1347542955.958115] [nm-device-ethernet.c:456] real_update_permanent_hw_address(): (usb0): unable to read permanent MAC address (error 0) Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): new Ethernet device (driver: 'cdc_ncm' ifindex: 80) Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): exported as /org/freedesktop/NetworkManager/Devices/4 Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM1) opening serial port... Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (Ericsson MBM): GSM modem /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 claimed port usb0 Sep 13 16:29:16 t420s-4 modem-manager[1199]: info (ttyACM0) closing serial port... Sep 13 16:29:16 t420s-4 modem-manager[1199]: info (ttyACM0) serial port closed Sep 13 16:29:16 t420s-4 modem-manager[1199]: info (ttyACM0) opening serial port... Sep 13 16:29:16
[Desktop-packages] [Bug 1050434] Re: NM fails to make UMTS connection; deleting and recreating the connection configuration fixes it
As far as I can see, this doesn't happen anymore. (Artifact of using Xubuntu desktop at the time? Seems unlikely though.) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1050434 Title: NM fails to make UMTS connection; deleting and recreating the connection configuration fixes it Status in “network-manager” package in Ubuntu: New Bug description: On occasion, network-manager fails to get an UMTS network connection, and quickly refuses all future attempts to use the connection. Reconfiguration of the interface (exactly the same as before) will fix it; seems like nm may mistake a transient error for a permanent one or something. Even removing the connection description from /etc/NetworkManager/system-connections and copying the exact same file back, and attempting a reconnect will fix this particular situation. (This is what I did also in this instance.) Relevant syslog snippet around the attempt to connect to my provider, Saunalahti: Sep 13 16:29:14 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: devices removed (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0) Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (tty/ttyACM0): released by modem /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:14 t420s-4 modem-manager[1199]: info Modem /org/freedesktop/ModemManager/Modems/0: state changed (registered - disabled) Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (ttyACM2) closing serial port... Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (ttyACM2) serial port closed Sep 13 16:29:14 t420s-4 anacron[13863]: Anacron 2.3 started on 2012-09-13 Sep 13 16:29:14 t420s-4 anacron[13863]: Normal exit (0 jobs run) Sep 13 16:29:14 t420s-4 kernel: [24385.860392] usb 2-1.4: new high-speed USB device number 8 using ehci_hcd Sep 13 16:29:14 t420s-4 kernel: [24385.998849] generic-usb: probe of 0003:0BDB:1912.0007 failed with error -71 Sep 13 16:29:14 t420s-4 mtp-probe: checking bus 2, device 8: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:14 t420s-4 mtp-probe: bus: 2, device: 8 was not an MTP device Sep 13 16:29:14 t420s-4 kernel: [24386.208526] usb 2-1.4: USB disconnect, device number 8 Sep 13 16:29:15 t420s-4 kernel: [24387.176121] usb 2-1.4: new high-speed USB device number 9 using ehci_hcd Sep 13 16:29:15 t420s-4 kernel: [24387.308285] cdc_acm 2-1.4:1.1: ttyACM0: USB ACM device Sep 13 16:29:15 t420s-4 kernel: [24387.311154] cdc_acm 2-1.4:1.3: ttyACM1: USB ACM device Sep 13 16:29:15 t420s-4 kernel: [24387.319164] cdc_wdm 2-1.4:1.5: cdc-wdm0: USB WDM device Sep 13 16:29:15 t420s-4 kernel: [24387.334945] usb 2-1.4: MAC-Address: 02:80:37:ec:02:00 Sep 13 16:29:15 t420s-4 kernel: [24387.335134] cdc_ncm 2-1.4:1.6: usb0: register 'cdc_ncm' at usb-:00:1d.0-1.4, CDC NCM, 02:80:37:ec:02:00 Sep 13 16:29:15 t420s-4 kernel: [24387.335731] cdc_wdm 2-1.4:1.8: cdc-wdm1: USB WDM device Sep 13 16:29:15 t420s-4 kernel: [24387.336151] cdc_acm 2-1.4:1.9: ttyACM2: USB ACM device Sep 13 16:29:15 t420s-4 mtp-probe: checking bus 2, device 9: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:15 t420s-4 mtp-probe: bus: 2, device: 9 was not an MTP device Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM0) opening serial port... Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM2) opening serial port... Sep 13 16:29:15 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: devices added (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0) Sep 13 16:29:15 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: device added (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0): no ifupdown configuration found. Sep 13 16:29:15 t420s-4 NetworkManager[1278]: warn failed to allocate link cache: (-10) Operation not supported Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): carrier is OFF Sep 13 16:29:15 t420s-4 NetworkManager[1278]: error [1347542955.958115] [nm-device-ethernet.c:456] real_update_permanent_hw_address(): (usb0): unable to read permanent MAC address (error 0) Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): new Ethernet device (driver: 'cdc_ncm' ifindex: 80) Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): exported as /org/freedesktop/NetworkManager/Devices/4 Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM1) opening serial port... Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (Ericsson MBM): GSM modem /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 claimed port usb0 Sep 13 16:29:16 t420s-4 modem-manager[1199]: info (ttyACM0) closing serial port... Sep 13 16:29:16 t420s-4 modem-manager[1199]: info (ttyACM0) serial port closed Sep 13 16:29:16
[Desktop-packages] [Bug 1050434] Re: NM fails to make UMTS connection; deleting and recreating the connection configuration fixes it
** Summary changed: - UMTS connections require occasional reconfiguring + NM fails to make UMTS connection; deleting and recreating the connection configuration fixes it -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1050434 Title: NM fails to make UMTS connection; deleting and recreating the connection configuration fixes it Status in “network-manager” package in Ubuntu: New Bug description: On occasion, network-manager fails to get an UMTS network connection, and quickly refuses all future attempts to use the connection. Reconfiguration of the interface (exactly the same as before) will fix it; seems like nm may mistake a transient error for a permanent one or something. Even removing the connection description from /etc/NetworkManager/system-connections and copying the exact same file back, and attempting a reconnect will fix this particular situation. (This is what I did also in this instance.) Relevant syslog snippet around the attempt to connect to my provider, Saunalahti: Sep 13 16:29:14 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: devices removed (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0) Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (tty/ttyACM0): released by modem /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:14 t420s-4 modem-manager[1199]: info Modem /org/freedesktop/ModemManager/Modems/0: state changed (registered - disabled) Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (ttyACM2) closing serial port... Sep 13 16:29:14 t420s-4 modem-manager[1199]: info (ttyACM2) serial port closed Sep 13 16:29:14 t420s-4 anacron[13863]: Anacron 2.3 started on 2012-09-13 Sep 13 16:29:14 t420s-4 anacron[13863]: Normal exit (0 jobs run) Sep 13 16:29:14 t420s-4 kernel: [24385.860392] usb 2-1.4: new high-speed USB device number 8 using ehci_hcd Sep 13 16:29:14 t420s-4 kernel: [24385.998849] generic-usb: probe of 0003:0BDB:1912.0007 failed with error -71 Sep 13 16:29:14 t420s-4 mtp-probe: checking bus 2, device 8: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:14 t420s-4 mtp-probe: bus: 2, device: 8 was not an MTP device Sep 13 16:29:14 t420s-4 kernel: [24386.208526] usb 2-1.4: USB disconnect, device number 8 Sep 13 16:29:15 t420s-4 kernel: [24387.176121] usb 2-1.4: new high-speed USB device number 9 using ehci_hcd Sep 13 16:29:15 t420s-4 kernel: [24387.308285] cdc_acm 2-1.4:1.1: ttyACM0: USB ACM device Sep 13 16:29:15 t420s-4 kernel: [24387.311154] cdc_acm 2-1.4:1.3: ttyACM1: USB ACM device Sep 13 16:29:15 t420s-4 kernel: [24387.319164] cdc_wdm 2-1.4:1.5: cdc-wdm0: USB WDM device Sep 13 16:29:15 t420s-4 kernel: [24387.334945] usb 2-1.4: MAC-Address: 02:80:37:ec:02:00 Sep 13 16:29:15 t420s-4 kernel: [24387.335134] cdc_ncm 2-1.4:1.6: usb0: register 'cdc_ncm' at usb-:00:1d.0-1.4, CDC NCM, 02:80:37:ec:02:00 Sep 13 16:29:15 t420s-4 kernel: [24387.335731] cdc_wdm 2-1.4:1.8: cdc-wdm1: USB WDM device Sep 13 16:29:15 t420s-4 kernel: [24387.336151] cdc_acm 2-1.4:1.9: ttyACM2: USB ACM device Sep 13 16:29:15 t420s-4 mtp-probe: checking bus 2, device 9: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 Sep 13 16:29:15 t420s-4 mtp-probe: bus: 2, device: 9 was not an MTP device Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM0) opening serial port... Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM2) opening serial port... Sep 13 16:29:15 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: devices added (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0) Sep 13 16:29:15 t420s-4 NetworkManager[1278]:SCPlugin-Ifupdown: device added (path: /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4/2-1.4:1.6/net/usb0, iface: usb0): no ifupdown configuration found. Sep 13 16:29:15 t420s-4 NetworkManager[1278]: warn failed to allocate link cache: (-10) Operation not supported Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): carrier is OFF Sep 13 16:29:15 t420s-4 NetworkManager[1278]: error [1347542955.958115] [nm-device-ethernet.c:456] real_update_permanent_hw_address(): (usb0): unable to read permanent MAC address (error 0) Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): new Ethernet device (driver: 'cdc_ncm' ifindex: 80) Sep 13 16:29:15 t420s-4 NetworkManager[1278]: info (usb0): exported as /org/freedesktop/NetworkManager/Devices/4 Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (ttyACM1) opening serial port... Sep 13 16:29:15 t420s-4 modem-manager[1199]: info (Ericsson MBM): GSM modem /sys/devices/pci:00/:00:1d.0/usb2/2-1/2-1.4 claimed port usb0 Sep 13 16:29:16 t420s-4 modem-manager[1199]: info (ttyACM0) closing serial port... Sep 13 16:29:16 t420s-4 modem-manager[1199]: info
