<div dir="ltr">Aleksander, <div> </div><div>I haven't seen this issue. What firmware revision do you have on your MU736?</div><div> </div><div>Ben</div></div><div class="gmail_extra"> <div class="gmail_quote"> On Sun, Jan 26, 2014 at 10:44 AM, Aleksander Morgado <<a href="mailto:aleksander@aleksander.es" target="_blank">aleksander@aleksander.es</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> Hey Franko & Ben, Have you guys experienced a complete modem reboot each time I try to get it connected? This is with a MU736, see relevant logs below: ModemManager[18658]: <info> [1390761652.244288] [mm-iface-modem-simple.c:501] connection_step(): Simple connect state (6/8): Bearer ModemManager[18658]: <debug> [1390761652.244468] [mm-iface-modem-simple.c:521] connection_step(): Creating new bearer... ModemManager[18658]: <debug> [1390761652.246735] [huawei/mm-broadband-modem-huawei.c:2130] huawei_modem_create_bearer(): This device (enp0s29u1u7) can support ndisdup feature ModemManager[18658]: <debug> [1390761652.247081] [huawei/mm-broadband-modem-huawei.c:2089] create_bearer_for_net_port(): ^NDISDUP supported, creating huawei bearer... ModemManager[18658]: <debug> [1390761652.250018] [mm-serial-port.c:978] mm_serial_port_open(): (ttyUSB1) device open count is 4 (open) ModemManager[18658]: <debug> [1390761652.250354] [mm-serial-port.c:1024] mm_serial_port_close(): (ttyUSB1) device open count is 3 (close) ModemManager[18658]: <debug> [1390761652.251268] [huawei/mm-broadband-modem-huawei.c:2038] huawei_modem_create_bearer_finish(): New huawei bearer created at DBus path '/org/freedesktop/ModemManager1/Bearer/1' ModemManager[18658]: <info> [1390761652.254341] [mm-iface-modem-simple.c:583] connection_step(): Simple connect state (7/8): Connect ModemManager[18658]: <debug> [1390761652.254701] [mm-bearer.c:591] mm_bearer_connect(): Connecting bearer '/org/freedesktop/ModemManager1/Bearer/1' ModemManager[18658]: <info> [1390761652.255000] [mm-iface-modem.c:1371] __iface_modem_update_state_internal(): Modem /org/freedesktop/ModemManager1/Modem/1: state changed (registered -> connecting) ModemManager[18658]: <debug> [1390761652.257799] [mm-broadband-bearer.c:1230] connect(): Launching 3GPP connection attempt with APN '<a href="http://ac.vodafone.es" target="_blank">ac.vodafone.es</a>' ModemManager[18658]: <debug> [1390761652.258014] [huawei/mm-broadband-bearer-huawei.c:254] connect_3gpp_context_step(): No specific IP family requested, defaulting to ipv4 ModemManager[18658]: <debug> [1390761652.258959] [mm-serial-port.c:978] mm_serial_port_open(): (ttyUSB1) device open count is 4 (open) ModemManager[18658]: <debug> [1390761652.259468] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): --> 'AT+CSQ<CR>' ModemManager[18658]: <debug> [1390761652.270039] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): <-- '<CR><LF>+CSQ: 22,1<CR><LF><CR><LF>OK<CR><LF>' ModemManager[18658]: <debug> [1390761652.271972] [mm-serial-port.c:1024] mm_serial_port_close(): (ttyUSB1) device open count is 3 (close) ModemManager[18658]: <info> [1390761652.274015] [mm-iface-modem.c:1144] update_signal_quality(): Modem /org/freedesktop/ModemManager1/Modem/1: signal quality updated (70) ModemManager[18658]: <debug> [1390761652.274425] [mm-iface-modem.c:1214] signal_quality_check_ready(): Periodic signal quality checks rescheduled (interval = 30s) ModemManager[18658]: <debug> [1390761652.277514] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): --> 'AT^SYSINFOEX<CR>' ModemManager[18658]: <debug> [1390761652.296690] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): <-- '<CR><LF>^SYSINFOEX:2,3,0,1,0,3,"WCDMA",41,"WCDMA"<CR><LF><CR><LF>OK<CR><LF>' ModemManager[18658]: <debug> [1390761652.298776] [huawei/mm-broadband-modem-huawei.c:546] load_access_technologies_finish(): Access Technology: 'umts' ModemManager[18658]: <info> [1390761652.299610] [mm-iface-modem.c:894] mm_iface_modem_update_access_technologies(): Modem /org/freedesktop/ModemManager1/Modem/1: access technology changed (unknown -> umts) ModemManager[18658]: <debug> [1390761652.299951] [mm-serial-port.c:1024] mm_serial_port_close(): (ttyUSB1) device open count is 2 (close) ModemManager[18658]: <debug> [1390761652.302542] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): --> 'AT^NDISDUP=1,1,"<a href="http://ac.vodafone.es" target="_blank">ac.vodafone.es</a>","vodafone","vodafone",0<CR>' ModemManager[18658]: <debug> [1390761652.389670] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): <-- '<CR><LF>OK<CR><LF>' ModemManager[18658]: <debug> [1390761652.391484] [mm-serial-port.c:978] mm_serial_port_open(): (ttyUSB1) device open count is 3 (open) ModemManager[18658]: <debug> [1390761652.392181] [mm-serial-port.c:1024] mm_serial_port_close(): (ttyUSB1) device open count is 2 (close) ModemManager[18658]: <debug> [1390761652.392758] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): --> 'AT^NDISSTATQRY?<CR>' ModemManager[18658]: <debug> [1390761652.416589] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): <-- '<CR><LF>^NDISSTATQRY: 1,0,,"IPV4"<CR><LF><CR><LF>OK<CR><LF>' ModemManager[18658]: <debug> [1390761652.419247] [mm-serial-port.c:1024] mm_serial_port_close(): (ttyUSB1) device open count is 1 (close) ModemManager[18658]: <debug> [1390761652.419870] [mm-port.c:138] mm_port_set_connected(): (enp0s29u1u7): port now connected ModemManager[18658]: <debug> [1390761652.420340] [mm-bearer.c:489] connect_ready(): Connected bearer '/org/freedesktop/ModemManager1/Bearer/1' ModemManager[18658]: <info> [1390761652.423519] [mm-iface-modem.c:1371] __iface_modem_update_state_internal(): Modem /org/freedesktop/ModemManager1/Modem/1: state changed (connecting -> connected) ModemManager[18658]: <info> [1390761652.426950] [mm-iface-modem-simple.c:602] connection_step(): Simple connect state (8/8): All done ModemManager[18658]: <debug> [1390761654.913647] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): <-- '<CR><LF>^NDISSTAT: 1,,,"IPV4"<CR><LF>' ModemManager[18658]: <debug> [1390761654.915849] [huawei/mm-broadband-modem-huawei.c:1668] huawei_ndisstat_changed(): NDIS status: IPv4 connected, IPv6 not available ModemManager[18658]: <debug> [1390761654.916258] [huawei/mm-broadband-bearer-huawei.c:688] report_connection_status(): Received spontaneous ^NDISSTAT (connected) ModemManager[18658]: <debug> [1390761655.582272] [mm-at-serial-port.c:436] debug_log(): (ttyUSB1): <-- '<CR><LF>^MODE: 5,9<CR><LF>' ModemManager[18658]: <debug> [1390761655.583482] [huawei/mm-broadband-modem-huawei.c:1595] huawei_mode_changed(): Access Technology: 'hspa-plus' ModemManager[18658]: <info> [1390761655.584669] [mm-iface-modem.c:894] mm_iface_modem_update_access_technologies(): Modem /org/freedesktop/ModemManager1/Modem/1: access technology changed (umts -> hspa-plus) (CRASH) ModemManager[18658]: <info> [1390761656.178863] [mm-manager.c:355] device_removed(): (net/enp0s29u1u7): released by modem /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7 ModemManager[18658]: <debug> [1390761656.188229] [mm-serial-port.c:752] data_available(): (ttyUSB1) unexpected port hangup! ModemManager[18658]: <debug> [1390761656.188432] [mm-serial-port.c:1148] mm_serial_port_close_force(): (ttyUSB1) forced to close port ModemManager[18658]: <debug> [1390761656.188600] [mm-serial-port.c:1024] mm_serial_port_close(): (ttyUSB1) device open count is 0 (close) ModemManager[18658]: <debug> [1390761656.188788] [mm-serial-port.c:1040] mm_serial_port_close(): (ttyUSB1) closing serial port... ModemManager[18658]: <debug> [1390761656.189014] [mm-serial-port.c:1073] mm_serial_port_close(): (ttyUSB1) serial port closed ModemManager[18658]: <info> [1390761656.190175] [mm-manager.c:355] device_removed(): (tty/ttyUSB1): released by modem /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7 ModemManager[18658]: <info> [1390761656.192500] [mm-manager.c:355] device_removed(): (tty/ttyUSB2): released by modem /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7 ModemManager[18658]: <info> [1390761656.194038] [mm-manager.c:355] device_removed(): (tty/ttyUSB0): released by modem /sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7 ModemManager[18658]: <debug> [1390761656.195225] [mm-manager.c:360] device_removed(): Removing empty device '/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7' ModemManager[18658]: <debug> [1390761656.197855] [mm-bearer.c:896] mm_bearer_dbus_unexport(): Removing from DBus bearer at '/org/freedesktop/ModemManager1/Bearer/1' ModemManager[18658]: <debug> [1390761656.198570] [mm-device.c:364] unexport_modem(): Unexported modem '/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7' from path '/org/freedesktop/ModemManager1/Modem/1' ModemManager[18658]: <debug> [1390761656.202374] [mm-port.c:138] mm_port_set_connected(): (enp0s29u1u7): port now disconnected ModemManager[18658]: <debug> [1390761656.203322] [mm-serial-port.c:1148] mm_serial_port_close_force(): (ttyUSB0) forced to close port ModemManager[18658]: <debug> [1390761656.204323] [mm-base-modem.c:1557] finalize(): Modem (Huawei) '/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.7' completely disposed -- Aleksander </blockquote></div> </div>