As title, The log from this command 
kill -s QUIT $(pidof banshee-1); cp ~/.config/banshee-1/log ~/Desktop/banshee.log
is as follows:

[Info  22:01:52.780] Running Banshee 1.4.0
[Info  22:01:57.123] All services are started 3.734517s
[Info  22:01:58.595] nereid Client Started
Full thread dump:

"" tid=0x0xb29a3b90 this=0x0x714d0:

"" tid=0x0xb6188b90 this=0x0x71d10:
  at (wrapper managed-to-native) System.Net.Sockets.Socket.Accept_internal (intptr,int&) <0x00004>
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitOne_internal (intptr,int,bool) <0x00004>
  at (wrapper managed-to-native) System.Net.Sockets.Socket.Accept_internal (intptr,int&) <0xffffffff>
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitOne_internal (intptr,int,bool) <0xffffffff>
  at System.Net.Sockets.Socket.Accept () <0x00085>
  at System.Threading.WaitHandle.WaitOne () <0x00052>
  at Banshee.Daap.DaapProxyWebServer.ServerLoop () <0x0002d>
  at Hyena.Data.Sqlite.HyenaSqliteConnection.ProcessQueue () <0x000ff>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void () <0xffffffff>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void () <0xffffffff>
  at (wrapper runtime-invoke) System.Collections.Generic.GenericEqualityComparer`1.runtime_invoke_void (object,intptr,intptr,intptr) <0xffffffff>
  at (wrapper runtime-invoke) System.Collections.Generic.GenericEqualityComparer`1.runtime_invoke_void (object,intptr,intptr,intptr) <0xffffffff>

"" tid=0x0xb4367b90 this=0x0x218b00:
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitAny_internal (System.Threading.WaitHandle[],int,bool) <0x00004>
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitAny_internal (System.Threading.WaitHandle[],int,bool) <0xffffffff>
  at System.Threading.WaitHandle.WaitAny (System.Threading.WaitHandle[],System.TimeSpan,bool) <0x000c6>
  at System.Threading.RegisteredWaitHandle.Wait (object) <0x000a6>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_object (object) <0xffffffff>
  at (wrapper runtime-invoke) System.Threading.WaitCallback.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>

"" tid=0x0xb4571b90 this=0x0x218f20:
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitAny_internal (System.Threading.WaitHandle[],int,bool) <0x00004>
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitAny_internal (System.Threading.WaitHandle[],int,bool) <0xffffffff>
  at System.Threading.WaitHandle.WaitAny (System.Threading.WaitHandle[],System.TimeSpan,bool) <0x000c6>
  at System.Threading.RegisteredWaitHandle.Wait (object) <0x000a6>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_object (object) <0xffffffff>
  at (wrapper runtime-invoke) System.Threading.WaitCallback.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>

"" tid=0x0xb446cb90 this=0x0x218e70:
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitAny_internal (System.Threading.WaitHandle[],int,bool) <0x00004>
  at (wrapper managed-to-native) System.Threading.WaitHandle.WaitAny_internal (System.Threading.WaitHandle[],int,bool) <0xffffffff>
  at System.Threading.WaitHandle.WaitAny (System.Threading.WaitHandle[],System.TimeSpan,bool) <0x000c6>
  at System.Threading.RegisteredWaitHandle.Wait (object) <0x000a6>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_object (object) <0xffffffff>
  at (wrapper runtime-invoke) System.Threading.WaitCallback.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>

"" tid=0x0xb2bf4b90 this=0x0x716e0:
  at (wrapper managed-to-native) System.Threading.Monitor.Monitor_wait (object,int) <0x00004>
  at (wrapper managed-to-native) System.Threading.Monitor.Monitor_wait (object,int) <0xffffffff>
  at System.Threading.Monitor.Wait (object) <0x0002d>
  at NDesk.DBus.PendingCall.get_Reply () <0x00087>
  at NDesk.DBus.Connection.SendWithReplyAndBlock (NDesk.DBus.Message) <0x0001d>
  at NDesk.DBus.BusObject.SendMethodCall (string,string,string,NDesk.DBus.MessageWriter,System.Type,System.Exception&) <0x00134>
  at IDeviceProxy.GetPropertyBoolean (string) <0x0008b>
  at Hal.Device.GetPropertyBoolean (string) <0x00016>
  at Banshee.HalBackend.Volume.get_ShouldIgnore () <0x0001f>
  at MapDeviceJob.Run () <0x002fb>
  at Banshee.Kernel.Scheduler.ProcessJobThread () <0x000fe>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void () <0xffffffff>
  at (wrapper runtime-invoke) System.Collections.Generic.GenericEqualityComparer`1.runtime_invoke_void (object,intptr,intptr,intptr) <0xffffffff>

"" tid=0x0xb2ab8b90 this=0x0x71840:
  at (wrapper managed-to-native) Mono.Unix.Native.Syscall.read (int,intptr,ulong) <0x00004>
  at (wrapper managed-to-native) Mono.Unix.Native.Syscall.read (int,intptr,ulong) <0xffffffff>
  at Mono.Unix.Native.Syscall.read (int,void*,ulong) <0x00043>
  at Mono.Unix.UnixStream.Read (byte[],int,int) <0x00082>
  at NDesk.DBus.Connection.ReadMessage () <0x00051>
  at NDesk.DBus.Connection.Iterate () <0x00019>
  at Mono.Zeroconf.Providers.AvahiDBus.DBusManager.IterateThread (object) <0x00055>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_object (object) <0xffffffff>
  at (wrapper runtime-invoke) System.Threading.WaitCallback.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>

"" tid=0x0xb7cea6d0 this=0x0x30e10:
  at (wrapper managed-to-native) System.Threading.Monitor.Monitor_try_enter (object,int) <0x00004>
  at (wrapper managed-to-native) System.Threading.Monitor.Monitor_try_enter (object,int) <0xffffffff>
  at System.Threading.Monitor.Enter (object) <0x00013>
  at Banshee.Dap.DapService.UnmapDevice (string) <0x00053>
  at Banshee.Dap.DapService.OnHardwareDeviceRemoved (object,Banshee.Hardware.DeviceRemovedArgs) <0x00024>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_object_DeviceRemovedArgs (object,Banshee.Hardware.DeviceRemovedArgs) <0xffffffff>
  at Banshee.Hardware.HardwareManager.OnDeviceRemoved (object,Banshee.Hardware.DeviceRemovedArgs) <0x0002a>
  at Banshee.HalBackend.HardwareManager.OnDeviceRemoved (string) <0x00038>
  at Banshee.HalBackend.HardwareManager.OnHalDeviceRemoved (object,Hal.DeviceRemovedArgs) <0x00024>
  at Hal.Manager.OnDeviceRemoved (string) <0x00038>
  at (wrapper runtime-invoke) Hal.Manager.runtime_invoke_void_string (object,intptr,intptr,intptr) <0xffffffff>
  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke (object,object[]) <0x00004>
  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke (object,object[]) <0xffffffff>
  at System.Reflection.MonoMethod.Invoke (object,System.Reflection.BindingFlags,System.Reflection.Binder,object[],System.Globalization.CultureInfo) <0x0009a>
  at System.Reflection.MethodBase.Invoke (object,object[]) <0x0001a>
  at System.Delegate.DynamicInvokeImpl (object[]) <0x00183>
  at System.MulticastDelegate.DynamicInvokeImpl (object[]) <0x0002a>
  at System.Delegate.DynamicInvoke (object[]) <0x0000e>
  at NDesk.DBus.Connection.HandleSignal (NDesk.DBus.Message) <0x000ee>
  at NDesk.DBus.Connection.DispatchSignals () <0x0003c>
  at NDesk.DBus.Connection.Iterate () <0x0002c>
  at <>c__CompilerGenerated0.<>c__AnonymousMethod1 (intptr,NDesk.GLib.IOCondition,intptr) <0x00027>
  at (wrapper native-to-managed) <>c__CompilerGenerated0.<>c__AnonymousMethod1 (intptr,NDesk.GLib.IOCondition,intptr) <0xffffffff>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0x00004>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0xffffffff>
  at Gtk.Application.Run () <0x00007>
  at Banshee.Gui.GtkBaseClient.Run () <0x00064>
  at Banshee.Gui.GtkBaseClient.Startup () <0x00034>
  at Hyena.Gui.CleanRoomStartup.Startup (Hyena.Gui.CleanRoomStartup/StartupInvocationHandler) <0x000a2>
  at Banshee.Gui.GtkBaseClient.Startup () <0x0004d>
  at Banshee.Gui.GtkBaseClient.Startup (string[]) <0x000a6>
  at Nereid.Client.Main (string[]) <0x0000a>
  at (wrapper runtime-invoke) Nereid.Client.runtime_invoke_void_string[] (object,intptr,intptr,intptr) <0xffffffff>
  at (wrapper managed-to-native) System.AppDomain.ExecuteAssembly (string,System.Security.Policy.Evidence,string[]) <0x00004>
  at (wrapper managed-to-native) System.AppDomain.ExecuteAssembly (string,System.Security.Policy.Evidence,string[]) <0xffffffff>
  at (wrapper remoting-invoke-with-check) System.AppDomain.ExecuteAssembly (string,System.Security.Policy.Evidence,string[]) <0xffffffff>
  at System.AppDomain.ExecuteAssembly (string) <0x00014>
  at (wrapper remoting-invoke-with-check) System.AppDomain.ExecuteAssembly (string) <0xffffffff>
  at Booter.Booter.BootClient (string) <0x00055>
  at Booter.Booter.Main () <0x00188>
  at (wrapper runtime-invoke) Booter.Booter.runtime_invoke_void (object,intptr,intptr,intptr) <0xffffffff>