Comment 22 for bug 145683

Here's the thread apply all backtrace:

(gdb) thread apply all bt

Thread 3 (Thread -1221059696 (LWP 3394)):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7c8b647 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7dac593 in ?? () from /usr/lib/libglib-2.0.so.0
#3 0x0809d628 in ?? ()
#4 0x00000001 in ?? ()
#5 0x00000764 in ?? ()
#6 0x0809d628 in ?? ()
#7 0x00000001 in ?? ()
#8 0xb7381344 in ?? ()
#9 0xb7d14541 in pthread_mutex_lock () from /lib/tls/i686/cmov/libpthread.so.0
#10 0xb7dac909 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#11 0x08057d9e in nm_device_worker (user_data=0x80a0028) at nm-device.c:291
#12 0xb7dcc5af in ?? () from /usr/lib/libglib-2.0.so.0
#13 0x080a0028 in ?? ()
#14 0x0809e050 in ?? ()
#15 0x00000000 in ?? ()

Thread 2 (Thread -1212666992 (LWP 3391)):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7c8b647 in poll () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7dac593 in ?? () from /usr/lib/libglib-2.0.so.0
---Type <return> to continue, or q <return> to quit---
#3 0x0809b0e8 in ?? ()
#4 0x00000001 in ?? ()
#5 0xffffffff in ?? ()
#6 0x0809b0e8 in ?? ()
#7 0x00000001 in ?? ()
#8 0x00000000 in ?? ()

Thread 1 (Thread -1212664144 (LWP 3388)):
#0 0xffffe410 in __kernel_vsyscall ()
#1 0xb7c8ddce in writev () from /lib/tls/i686/cmov/libc.so.6
#2 0xb7e9deb6 in ?? () from /usr/lib/libdbus-1.so.3
#3 0x0000000b in ?? ()
#4 0xbfaf742c in ?? ()
#5 0x00000002 in ?? ()
#6 0xb7e940bc in ?? () from /usr/lib/libdbus-1.so.3
#7 0xbfaf74cc in ?? ()
#8 0x00000072 in ?? ()
#9 0xbfaf742c in ?? ()
#10 0x0809fb20 in ?? ()
#11 0x00000088 in ?? ()
#12 0x0809abc0 in ?? ()
#13 0x0000007a in ?? ()
#14 0xb7ea6870 in ?? () from /usr/lib/libdbus-1.so.3
---Type <return> to continue, or q <return> to quit---
#15 0x080983f8 in ?? ()
#16 0x0000007a in ?? ()
#17 0xbfaf7478 in ?? ()
#18 0xb7e9df17 in ?? () from /usr/lib/libdbus-1.so.3
#19 0x0000000b in ?? ()
#20 0x0809ae9c in ?? ()
#21 0x00000000 in ?? ()