ubuntu-phone team mailing list archive

[Fabian Herb <fabian@xxxxxxxxxxxx>]

I have exactly the same problem. It started between monday and wednesday (I did no image upgrade between working and failing state). I couldn't push the "send"-button in the messaging app, I have zero bars, system settings shows "n.a." as carrier. After a reboot I had no network indicator cellular icon at all (only WiFi). After an image update the icon returned, but still 0 bars.

I have my SIM card in my old dumbphone most of the time now, only tried it out in the Nexus 4 yesterday, but no luck still.

I agree that there should be some kind of error message telling me that something is wrong. I might have missed calls and messages for days. But for now I really would like to have it working again. So what can I do to debug this?

Thanks a lot!
Fabian

On 07 Jun 2014, at 23:57, Sam Bull <sam.hacking@xxxxxxxx> wrote:

> Today, I'm really irritated that I missed an event which was caused by
> Ubuntu seemingly deciding that it was not going to do any cellular
> activities for the whole day, and then just pretending that everything
> was fine. Due to this I failed to receive calls and text messages, and
> only this evening when I tried to send a text message, did I realise
> that my phone had not been functioning all day.
> 
> So, in my house I have really bad signal, so it looked normal that the
> network indicator showed the 0 bars icon, for a really weak signal. But,
> when I tried to send a text message, it became apparent that I actually
> had no connection, as it refused to let me send a text message or
> attempt a phone call despite the indicator telling me I'm connected.
> 
> I then left the house and started walking down the road, where I know I
> have adequate signal. Still the same 0 bars icon (now with no data,
> having disconnected from WiFi), and refusing to let me do anything. I
> restarted the phone twice during this walk with no change. Only when
> turning the phone on a 3rd time, 10 minutes later, in an area I know has
> really strong signal did it finally start to work again.
> 
> In the 16 months I've been using Ubuntu on my phone, I've never had a
> failure this bad before.
> 
> 
> So... Is there anything I can get post-problem that will help work out
> what happened?
> 
> If it happens again, what do I need to run to get the information needed
> to work out what happened?
> 
> 
> With no real knowledge of the system, my first guess is that something
> has failed to run the cellular stuff entirely, perhaps failing to
> initialise the gsm modem?
> 
> If this kind of situation happens, what is the network indicator
> supposed to do? From this experience, I expect that if this
> initialisation fails, the network indicator just shows the 0 bars icon.
> 	If this is correct, I think we can say that this is the wrong
> behaviour, the indicator is thus explicitly telling me I have a phone
> connection, when in fact nothing is initialised. If the indicator had
> shown an error icon, no icon, or even no signal, I would have noticed
> the problem several hours earlier and not missed several attempts to
> contact me.
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