Re: Nokia 6020 stops responding to AT commands mysteriously (offtopic???)

[Cameron Laird]

On Tue, Mar 14, 2006 at 07:21:54PM +0100, Peter Hanula wrote:
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> I use nokia 6020 for dialup connection via dku-5 cable
> (ti_usb_3410_5052 driver). Sometimes it just seems ignore any AT
> commands (for example using gnokii model=AT or pppd or minicom or
> something). If i set model=6020 it works just fine (but i cannot set
> up dialup connection via pppd). When such thing happens only solutuion
> is to boot up windows, lauch nokia pc suite, plug and unplug phone
> from pc and then plug cable and phone back to linux. Reloading cable
> driver, machine reboot, phone off/on, gnokii --reset soft, gnokii
> --reset hard, cat /dev/random>/dev/ttyUSB0:) don't help.
> 
> I observed this behaviour unpredictably after interrupting ppp
> conncection during initializition but also after normal startup
> (during previous run everything worked fine).
> 
> As usual a apologize for my English... :)
> 
> Kernel v2.6.14.4, gnokii v0.6.12
> 
> Could you suggest any solution or other place to ask ?
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I work mostly with gammu-on-Windows rather than gnokii-on-Linux.
I test a variety of handsets, though, and the 6020 is on my
problem list.  What I see there, roughly, is that AT commands
work, but FBUS access gives a lot of bytes that just don't look
right to me.  It's likely to be several days before I can return
to this particular issue.  Over the next week or so, though, I
hope that I can report what I learn about the 6020 and how it
works for me.