RE: [MM] Problem Huawei E303

It works!!!
Now the Modem Manager always detects the Huawei e303. :)

But with this version I have a compilation warning.
I get the next error:

make[3]: Entering directory `/home/jose/modemmanager/ModemManager/src'
  CC       ModemManager-mm-plugin.o
mm-plugin.c: In function ‘mm_plugin_supports_port’:
mm-plugin.c:753:20: error: ‘probe’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
cc1: all warnings being treated as errors
make[3]: *** [ModemManager-mm-plugin.o] Error 1
make[3]: Leaving directory `/home/jose/modemmanager/ModemManager/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/home/jose/modemmanager/ModemManager/src'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/jose/modemmanager/ModemManager'
make: *** [all] Error 2

I have solved it by asigning a NULL value to probe on startup, but I don't know if that is the propper way to 
fix it:

index 4616e9d..06efc2d 100644
--- a/src/mm-plugin.c
+++ b/src/mm-plugin.c
@@ -629,7 +629,7 @@ mm_plugin_supports_port (MMPlugin *self,
                          GAsyncReadyCallback callback,
                          gpointer user_data)
-    MMPortProbe *probe;
+    MMPortProbe *probe = NULL;
     GSimpleAsyncResult *async_result;
     PortProbeRunContext *ctx;
     gboolean need_vendor_probing;

De: Aleksander Morgado [aleksander lanedo com]
Enviado el: miércoles, 20 de febrero de 2013 19:37
Para: Gonzalez Calabozo, Jose Maria
CC: networkmanager-list gnome org
Asunto: Re: [MM] Problem Huawei E303

I have found another issue that I am not sure if it is a bug or not. It seems that the ModemManager cannot 
detect the first time that I insert the modem.
After try with many ports it prints the next lines:
ModemManager[7749]: <debug> [1361368039.448167] [mm-serial-port.c:994] mm_serial_port_close(): (ttyUSB0) 
device open count is 0 (close)
ModemManager[7749]: <debug> [1361368039.448198] [mm-serial-port.c:1010] mm_serial_port_close(): 
(ttyUSB0) closing serial port...
ModemManager[7749]: <debug> [1361368039.449123] [mm-serial-port.c:1041] mm_serial_port_close(): 
(ttyUSB0) serial port closed
ModemManager[7749]: <debug> [1361368039.449164] [mm-serial-port.c:1109] mm_serial_port_close_force(): 
(ttyUSB0) forced to close port
ModemManager[7749]: <debug> [1361368039.449231] [mm-plugin-manager.c:352] plugin_supports_port_ready(): 
(Plugin Manager) (Huawei) [ttyUSB0] found best plugin for port
ModemManager[7749]: <debug> [1361368039.449274] [mm-plugin-manager.c:238] port_probe_context_finished(): 
(Plugin Manager) 'ttyUSB0' port probe finished, last one in device, but minimum probing time not 
consumed yet ('24.443516' seconds elapsed)

But If I unplug and plug it again it will recognize the modem.

Ah, my heisenbug. Yes, I've been the whole morning trying to reproduce
it after I saw it yesterday. We configure a timeout to be run 2s after
we initialize the device probing, but for some reason it doesn't get
fired. Nice to see that I'm not the only one seeing it, will try to
track it down these days. Do you have a full debug log of this issue
happening? Or just that snippet?

Pushed a fix to handle this issue; let me know if you see it again.



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