On Tue 2014-10-14, Dimstar / Dominique Leuenberger wrote:
http://bugzilla.suse.com/show_bug.cgi?id=901122 "Need to restart ModemManager after suspend-to-RAM for 3G/UMTS" That one is certainly not nice. do you see anything in particular in systemctl status ModemManager prior to restarting it?
This does not show anything significant, though it seems the signal strength update is still working? ModemManager.service - Modem Manager Loaded: loaded (/usr/lib/systemd/system/ModemManager.service; enabled) Active: active (running) since Son 2014-10-19 12:30:33 CEST; 20h ago Main PID: 5271 (ModemManager) CGroup: /system.slice/ModemManager.service └─5271 /usr/sbin/ModemManager Okt 20 09:13:56 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: 3GPP location updated (MCC: '262'...D: '0') Okt 20 09:13:57 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: access technology changed (umts -> hspa) Okt 20 09:13:57 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: 3GPP location updated (MCC: '0', ...D: '0') Okt 20 09:13:57 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: 3GPP Registration state changed (...> home) Okt 20 09:13:57 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: state changed (searching -> registered) Okt 20 09:13:57 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: 3GPP location updated (MCC: '0', ...F5E8A') Okt 20 09:13:57 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: signal quality updated (40) Okt 20 09:14:27 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: signal quality updated (40) Okt 20 09:14:32 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: 3GPP location updated (MCC: '0', ...F5E8E') Okt 20 09:14:32 tuna.site ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: access technology changed (hspa -> umts) dmesg, on the other hand may be interesting. Watch out for lines with "cdc": [53018.247928] PM: resume of devices complete after 2738.881 msecs [53018.248241] PM: Finishing wakeup. [53018.248243] Restarting tasks ... done. [53018.257593] usb 1-4: USB disconnect, device number 6 [53018.257810] cdc_acm 1-4:1.1: failed to set dtr/rts [53018.261261] cdc_acm 1-4:1.3: failed to set dtr/rts [53018.261764] cdc_ncm 1-4:1.6 wwp0s20u4i6: unregister 'cdc_ncm' usb-0000:00:14.0-4, Mobile Broadband Network Device [53018.303615] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801b3a46a00 [53018.303619] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801b3a46a48 [53018.303621] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88019ae5b4c0 [53018.303622] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88019ae5b508 [53018.303624] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801ecbe14c0 [53018.303626] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801ecbe1508 [53018.303628] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8800c9c2b140 [53018.303630] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801b3a461c0 [53018.303631] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8801b3a46208 [53018.303633] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880211cbcac0 [53018.303635] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8800c9c2aac0 [53018.303636] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff8800c9c2bb40 [53018.303638] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff88003739aac0 [53018.303640] xhci_hcd 0000:00:14.0: xHCI xhci_drop_endpoint called with disabled ep ffff880210930b40 [53019.027171] usb 1-4: new high-speed USB device number 7 using xhci_hcd [53019.157294] usb 1-4: New USB device found, idVendor=0bdb, idProduct=1926 [53019.157311] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [53019.157314] usb 1-4: Product: H5321 gw [53019.157317] usb 1-4: Manufacturer: Lenovo [53019.157319] usb 1-4: SerialNumber: AB74AECE5318A2M0 [53019.189976] cdc_acm 1-4:1.1: ttyACM2: USB ACM device [53019.190668] cdc_acm 1-4:1.3: ttyACM3: USB ACM device [53019.194115] cdc_wdm 1-4:1.5: cdc-wdm0: USB WDM device [53019.209553] cdc_ncm 1-4:1.6: MAC-Address: 02:15:e0:ec:01:00 [53019.209950] cdc_ncm 1-4:1.6 wwan0: register 'cdc_ncm' at usb-0000:00:14.0-4, Mobile Broadband Network Device, 02:15:e0:ec:01:00 [53019.210593] cdc_wdm 1-4:1.8: cdc-wdm1: USB WDM device [53019.210845] cdc_acm 1-4:1.9: ttyACM4: USB ACM device [53021.585924] e1000e: enp0s25 NIC Link is Down [53021.903759] e1000e 0000:00:19.0: irq 46 for MSI/MSI-X [53022.005098] e1000e 0000:00:19.0: irq 46 for MSI/MSI-X [53022.005381] IPv6: ADDRCONF(NETDEV_UP): enp0s25: link is not ready [53022.020760] iwlwifi 0000:03:00.0: L1 Enabled; Disabling L0S [53022.027378] iwlwifi 0000:03:00.0: Radio type=0x1-0x2-0x0 [53022.116213] IPv6: ADDRCONF(NETDEV_UP): wl: link is not ready [53028.715929] VFS: busy inodes on changed media or resized disk sr0 Is it possible cdc_* is reset, but ModemManager not reconnecting properly? When I then systemctl restart ModemManager, I see the following: 2014-10-20T09:20:56.682387+02:00 tuna sudo: ... COMMAND=/usr/bin/systemctl restart ModemManager 2014-10-20T09:20:56.688264+02:00 tuna ModemManager[5271]: <info> Caught signal, shutting down... 2014-10-20T09:20:56.841386+02:00 tuna ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: state changed (registered -> disabling) 2014-10-20T09:20:56.841709+02:00 tuna ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: signal quality updated (0) 2014-10-20T09:20:56.841907+02:00 tuna ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: access technology changed (umts -> unknown) 2014-10-20T09:20:56.960329+02:00 tuna ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: 3GPP Registration state changed (home -> unknown) 2014-10-20T09:20:56.962966+02:00 tuna ModemManager[5271]: <info> Modem /org/freedesktop/ModemManager1/Modem/3: state changed (disabling -> disabled) 2014-10-20T09:20:57.150619+02:00 tuna ModemManager[5271]: <info> ModemManager is shut down 2014-10-20T09:20:57.292214+02:00 tuna ModemManager[26061]: <info> ModemManager (version 1.0.0) starting... 2014-10-20T09:20:57.302456+02:00 tuna sudo: pam_unix(sudo:session): session closed for user root 2014-10-20T09:20:58.445400+02:00 tuna org.freedesktop.Tracker1[1428]: (tracker-store:1735): GLib-CRITICAL **: Source ID 6754 was not found when attempting to remove it 2014-10-20T09:20:58.445665+02:00 tuna org.freedesktop.Tracker1[1428]: (tracker-store:1735): GLib-CRITICAL **: Source ID 6757 was not found when attempting to remove it 2014-10-20T09:20:59.799423+02:00 tuna ModemManager[26061]: <info> Creating modem with plugin 'Ericsson MBM' and '6' ports 2014-10-20T09:20:59.799739+02:00 tuna ModemManager[26061]: <warn> Could not grab port (usbmisc/cdc-wdm1): 'Cannot add port 'usbmisc/cdc-wdm1', unsupported' 2014-10-20T09:20:59.799944+02:00 tuna ModemManager[26061]: <warn> Could not grab port (usbmisc/cdc-wdm0): 'Cannot add port 'usbmisc/cdc-wdm0', unsupported' 2014-10-20T09:20:59.800138+02:00 tuna ModemManager[26061]: <info> Modem for device at '/sys/devices/pci0000:00/0000:00:14.0/usb1/1-4' successfully created 2014-10-20T09:20:59.800342+02:00 tuna ModemManager[26061]: <warn> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:19.0': not supported by any plugin 2014-10-20T09:20:59.800559+02:00 tuna ModemManager[26061]: <warn> Couldn't find support for device at '/sys/devices/pci0000:00/0000:00:1c.1/0000:03:00.0': not supported by any plugin 2014-10-20T09:20:59.957358+02:00 tuna ModemManager[26061]: <warn> couldn't load Supported Modes: 'Couldn't retrieve supported modes' 2014-10-20T09:21:01.050152+02:00 tuna ModemManager[26061]: <info> Modem: state changed (unknown -> disabled) 2014-10-20T09:21:01.057351+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (disabled -> enabling) 2014-10-20T09:21:01.090688+02:00 tuna gnome-session[1379]: ** (gnome-shell:1532): CRITICAL **: nma_mobile_providers_database_lookup_cdma_sid: assertion 'sid > 0' failed 2014-10-20T09:21:08.544383+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: 3GPP Registration state changed (unknown -> registering) 2014-10-20T09:21:08.544654+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: access technology changed (unknown -> umts) 2014-10-20T09:21:08.580373+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: access technology changed (umts -> hspa) 2014-10-20T09:21:08.623842+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: 3GPP Registration state changed (registering -> home) 2014-10-20T09:21:08.735018+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: access technology changed (hspa -> umts) 2014-10-20T09:21:08.735270+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: 3GPP location updated (MCC: '0', MNC: '0', Location area code: '3BB', Cell ID: 'EAF5E8E') 2014-10-20T09:21:08.735471+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: 3GPP location updated (MCC: '262', MNC: '2', Location area code: '3BB', Cell ID: 'EAF5E8E') 2014-10-20T09:21:08.735613+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: access technology changed (umts -> hspa) 2014-10-20T09:21:08.939190+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: state changed (enabling -> registered) 2014-10-20T09:21:08.952566+02:00 tuna ModemManager[26061]: <info> Modem /org/freedesktop/ModemManager1/Modem/0: signal quality updated (40) 2014-10-20T09:21:15.798389+02:00 tuna ModemManager[26061]: <info> Creating modem with plugin 'Generic' and '1' ports 2014-10-20T09:21:15.798662+02:00 tuna ModemManager[26061]: <warn> Could not grab port (tty/ttyS4): 'Cannot add port 'tty/ttyS4', unhandled serial type' 2014-10-20T09:21:15.798885+02:00 tuna ModemManager[26061]: <warn> Couldn't create modem for device at '/sys/devices/pci0000:00/0000:00:16.3': Failed to find primary AT port 2014-10-20T09:21:22.456719+02:00 tuna org.freedesktop.Tracker1[1428]: (tracker-store:1735): GLib-CRITICAL **: Source ID 6766 was not found when attempting to remove it Does this trigger any idea? Any then it works again when I choose the connection via the system panel. (Before it would not even show the three "trying to establish connection" dots; simply no visual reaction at all.) Gerald