Re: calypso does not power up from 0.17

[Denis Kenzior <denkenz@gmail.com>]

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Hi Niko,

> Hi!
> 
> 0.16 is the last release that works (well) on the openmoko freerunner
> while from 0.17 to 0.20 I have:
> 
> root(a)om-gta02 ~ $ dbus-send --system --dest=org.ofono --print-reply
> /freerunner org.ofono.Modem.SetProperty string:Powered
> variant:boolean:true
> Error org.ofono.Error.Timedout: Operation failure due to timeout
> 
> I'm sorry I do not have much time in this period to dig deeply, anyway
> I found the commit that introduced the problem with git bisect.

I have a hunch that the GAtMux code might need some love.  Can you try the 
following patch?

diff --git a/gatchat/gatmux.c b/gatchat/gatmux.c
index b70f6a0..139edd2 100644
--- a/gatchat/gatmux.c
+++ b/gatchat/gatmux.c
@@ -433,6 +433,9 @@ static GIOStatus channel_read(GIOChannel *channel, gchar 
*buf, gsize count,
 
        *bytes_read = ring_buffer_read(mux_channel->buffer, buf, avail);
 
+       if (*bytes_read == 0)
+               return G_IO_STATUS_AGAIN;
+
        return G_IO_STATUS_NORMAL;
 }
 
Regards,
-Denis