NM probably really shouldn't run into this case, since right after initializing state to NM_STATE_UNKNOWN, there is a big if-ifelse-else block which is supposed to *always* set the correct state. Somehow we don't get through the else block.
-- 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/1499906 Title: NM crashes when restarted on arale Status in network-manager package in Ubuntu: New Bug description: Discovered this while testing for another bug; I hadn't run into this problem before: NetworkManager[3456]: <info> startup complete NetworkManager[3456]: <info> (/ril_0) modem is now Online NetworkManager[3456]: <info> (/ril_0): update_modem_state: 'Attached': false 'Online': true 'IMSI': (null) NetworkManager[3456]: <info> (ril_0): modem state changed, 'initializing' --> 'disabled' (reason: modem not ready) NetworkManager[3456]: <info> (/ril_0) updated available interfaces NetworkManager[3456]: <info> (/ril_0): found new SimManager interface NetworkManager[3456]: <info> (/ril_0): found new ConnectionManager interface NetworkManager[3456]: <info> GetPropsDone: 'SubscriberIdentity': (null) NetworkManager[3456]: <info> (/ril_0): update_modem_state: 'Attached': false 'Online': true 'IMSI': 302500200836319 Program received signal SIGSEGV, Segmentation fault. 0xb690606e in strlen () from /lib/arm-linux-gnueabihf/libc.so.6 (gdb) bt full #0 0xffffffff in strlen () at /lib/arm-linux-gnueabihf/libc.so.6 #1 0xffffffff in vfprintf () at /lib/arm-linux-gnueabihf/libc.so.6 #2 0xffffffff in __vasprintf_chk () at /lib/arm-linux-gnueabihf/libc.so.6 #3 0xffffffff in g_vasprintf (__ap=..., __fmt=<optimized out>, __ptr=0xbefff1f8) at /usr/include/arm-linux-gnueabihf/bits/stdio2.h:210 __func__ = "g_vasprintf" #4 0xffffffff in g_vasprintf (string=string@entry=0xbefff1f8, format=format@entry=0xb2ace180 "(%s): modem state changed, '%s' --> '%s' (reason: %s)\n", args=...) at /build/glib2.0-hi_vf7/glib2.0-2.45.8/./glib/gprintf.c:316 __func__ = "g_vasprintf" #5 0xffffffff in g_strdup_vprintf (format=format@entry=0xb2ace180 "(%s): modem state changed, '%s' --> '%s' (reason: %s)\n", args=..., args@entry=...) at /build/glib2.0-hi_vf7/glib2.0-2.45.8/./glib/gstrfuncs.c:514 string = 0x0 #6 0x000a0d04 in _nm_log_impl (file=0xb2acdf70 "nm-modem.c", line=line@entry=153, func=0xb2acdd60 <__func__.33002> "nm_modem_set_state", level=level@entry=LOGL_INFO, domain=domain@entry=LOGD_MB, error=error@entry=0, fmt=0xb2ace180 "(%s): modem state changed, '%s' --> '%s' (reason: %s)\n") at nm-logging.c:388 args = {__ap = 0xbefff260} msg = <optimized out> fullmsg = 0x0 tv = {tv_sec = -1232066209, tv_usec = -1226609788} syslog_level = 6 ---Type <return> to continue, or q <return> to quit--- g_log_level = 64 __func__ = "_nm_log_impl" #7 0xffffffff in nm_modem_set_state (self=0x1eb8e0 [NMModemOfono], new_state=NM_MODEM_STATE_UNKNOWN, reason=0x1 <error: Cannot access memory at address 0x1>) at nm-modem.c:149 priv = <optimized out> old_state = NM_MODEM_STATE_DISABLED __func__ = "nm_modem_set_state" #8 0xffffffff in update_modem_state (self=self@entry=0x1eb8e0 [NMModemOfono]) at nm-modem-ofono.c:124 priv = <optimized out> state = <optimized out> new_state = <optimized out> reason = <optimized out> __func__ = "update_modem_state" #9 0xffffffff in handle_subscriber_identity (self=self@entry=0x1eb8e0 [NMModemOfono], value=value@entry=0x1dd368) at nm-modem-ofono.c:334 priv = <optimized out> value_str = <optimized out> __func__ = "handle_subscriber_identity" #10 0xffffffff in get_ofono_sim_properties_done (proxy=0x1daf80 [DBusGProxy], call_id=0x1, user_data=0x1eb8e0) at nm-modem-ofono.c:365 self = 0x1eb8e0 [NMModemOfono] ---Type <return> to continue, or q <return> to quit--- error = 0x0 Python Exception <class 'TypeError'> iter() returned non-iterator of type '_iterator': properties = 0x1e4440 value = 0x1dd368 __func__ = "get_ofono_sim_properties_done" #11 0xffffffff in () at /lib/arm-linux-gnueabihf/libdbus-1.so.3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1499906/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp