gsmd patch, was Re: [patch] modify some functions for phonebook

Tick tick at
Mon Oct 22 04:53:34 CEST 2007

Hash: SHA1

Koen Kooi 提到:
> Michael 'Mickey' Lauer schreef:
>> Mike (mwester) wrote:
>>> ...
>>>> 8f0be827f5da5c62c64e287a0054d9597b00cee8 makes sure no
>>>> clients can submit their commands through usock before gsmd
>>>> executes the
> commands
>>>> from its init sequence. This eliminates a timing issue where
>>>> openmoko-dialer commands (e.g. the antenna power-up, register
>>>> to network) could sometimes be queued before the AT
>>>> interpreter was initialised by gsmd.
>>>> I think the proper solution to this is to not fork gsmd into
>>>> background before it is actually ready to accept clients,
>>>> this
> should
>>>> remove all timing problems. Optimally the usock socket would
>>>> be
> opened
>>>> only after the modem has responded and we have sent the
>>>> initial commands to it. I'm happy to implement this and
>>>> submit a patch, what does everyone think about this approach?
>>> I'm in agreement with this.  I would add that I'd like to see
>>> the
> code that
>>> initializes the serial port support a platform plug-in or
> something similar.
>>> Specifically, the logic in the /etc/init.d/gsmd startup script
> should all be
>>> moved into a platform-specific bit of code in the early
> initialization of
>>> the gsmd process.  This eliminates a nasty race condition we
> currently have,
>>> will permit us to eliminate the unnecessary delays in both the
> gsmd startup
>>> script as well as in gsmd itself (we really don't need to wait
>>> a
> full second
>>> just to flush the serial port buffers, not at 115000 baud!),
>>> and
> generally
>>> permit us to deal with the idiosyncracies of the GTA01 platform
>>> more gracefully.
>> I agree. However I think even more important for stability would
> be to revamp the
>> main loop to deal with the modem in a synchronous way.
> Is anyone at openmoko (or outside openmoko) working on:
> a) gsmd in general b) the startup race c) making gsmd synchronous?
> regards,
> Koen
Hi Koen,
  I am taking care of the gsmd in general.
Currently I am focus on the stability of gsmd.

Best regards,
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