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[Mathias Hasselmann <mathias@xxxxxxxxxxxxxxxx>]

Public bug reported:

"sudo service ModemManager restart" results in this crash:

#0  0x00007ffff4d4b267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
#1  0x00007ffff4d4ceca in __GI_abort () at abort.c:89
#2  0x00007ffff536db55 in g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff536dbea in g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x000000000043215f in get_icon (device=0x8f23a0, state=NM_DEVICE_STATE_PREPARE, connection=0x7fffd801d650, out_pixbuf=0x7fffffffdcc8, out_indicator_icon=0x7fffffffdcd8, tip=0x7fffffffdcd0, 
    applet=0x794780) at applet-device-broadband.c:644
#5  0x000000000041be32 in applet_get_device_icon_for_state (out_tip=<optimized out>, out_indicator_icon=<optimized out>, out_pixbuf=<optimized out>, applet=<optimized out>) at applet.c:3258
#6  applet_update_icon (user_data=0x794780) at applet.c:3365
#7  0x00007ffff5347b4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007ffff5347f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007ffff5348242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00000000004132ec in main (argc=1, argv=0x7fffffffdf58) at main.c:106

This is exactly the same place the patch for LP1418260 tries to fix.
Apparently that patch is incomplete (or incorrect). With the attached
patch the crash disappears.

** Affects: network-manager-applet (Ubuntu)
     Importance: Undecided
         Status: New

** Patch added: "lp1418260_really_dont_crash_if_mm_isnt_avail.patch"
   https://bugs.launchpad.net/bugs/1478816/+attachment/4434946/+files/lp1418260_really_dont_crash_if_mm_isnt_avail.patch

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https://bugs.launchpad.net/bugs/1478816

Title:
  Network-Manager applet crashes when ModemManager restarts

Status in network-manager-applet package in Ubuntu:
  New

Bug description:
  "sudo service ModemManager restart" results in this crash:

  #0  0x00007ffff4d4b267 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:55
  #1  0x00007ffff4d4ceca in __GI_abort () at abort.c:89
  #2  0x00007ffff536db55 in g_assertion_message () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #3  0x00007ffff536dbea in g_assertion_message_expr () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #4  0x000000000043215f in get_icon (device=0x8f23a0, state=NM_DEVICE_STATE_PREPARE, connection=0x7fffd801d650, out_pixbuf=0x7fffffffdcc8, out_indicator_icon=0x7fffffffdcd8, tip=0x7fffffffdcd0, 
      applet=0x794780) at applet-device-broadband.c:644
  #5  0x000000000041be32 in applet_get_device_icon_for_state (out_tip=<optimized out>, out_indicator_icon=<optimized out>, out_pixbuf=<optimized out>, applet=<optimized out>) at applet.c:3258
  #6  applet_update_icon (user_data=0x794780) at applet.c:3365
  #7  0x00007ffff5347b4d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #8  0x00007ffff5347f20 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #9  0x00007ffff5348242 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
  #10 0x00000000004132ec in main (argc=1, argv=0x7fffffffdf58) at main.c:106

  This is exactly the same place the patch for LP1418260 tries to fix.
  Apparently that patch is incomplete (or incorrect). With the attached
  patch the crash disappears.

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