l1test hangs

Sylvain Munaut 246tnt at gmail.com
Tue Mar 2 06:24:41 UTC 2010


> This weekend I had my first try with a C123, and everything seemed to
> work great from the start.
> But suddenly when uploading l1test.bin to the phone, it seems to hang
> after the first three ARFCN's found, like so:
> [snip]
> When I press any button of the phone it continues by showing the
> remaining ARFCNs, but nothing else:

That's probably just console buffering. If at some point the buffer
was nearly full, the 'per-line' flushing will be disabled and so some
lines may get stuck until the next output (which happen with the key

> ARFCN  43: -103 dBm
> ARFCN  85: -103 dBm
> ARFCN  87: -103 dBm
> ARFCN 105: -103 dBm
> ARFCN 115: -103 dBm
> ARFCN 123: -103 dBm
> ARFCN  96: -104 dBm
> Starting FCCH Recognition
> key=12 pressed
> key=12 released
> I also noticed the dBm values,  all channels are barely above the
> noise floor, right?

Yes, that's also probably why there is no more output ... no way to
sync to anything.

> Does anybody have tips on how to get running again?

Reconnect the antenna ? That output looks like mine when I had the
phone open and the antenna not connected ...


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