*Holger Hans Peter Freyther* holger at freyther.de
<simtrace%40lists.osmocom.org?Subject=Re%3A%20Incomplete%20trace%20%28due%20to%20high-speed%20SIM%3F%29&In-Reply-To=%3C20130522102301.GP14728%40xiaoyu.lan%3E>
*Wed May 22 12:23:01 CEST 2013*
| On Tue, May 21, 2013 at 03:53:45PM +0200, Arthur Léna wrote:
| >* I tried booting the iPhone using 2 different SIMs (this one from *
| >* Free Mobile and another one) and the trace seems very short using
| *>* the Free Mobile in comparison to the other one. By parsing the ATRs
| *>* of both SIMs, I found out that the communication is done at 312500
| *>* bits/s with the Free Mobile SIM and only 78125 bits/s (for a clock
| *>* running at 5MHz). Could this explain the loss of entire ADPUs by the *
| >* tracer? If yes, is there a way to remedy to this problem (firmware *
| >* update for example).
*| Some people reported success by reducing the size of buffered bytes in
the
| firmware.
| holger
Holger
There appears to be numerous references to "decrease the buffer in the
firmware" to workaround the problem of losing bytes... but
can you clarify which buffer to decrease, in which source file?
I am guessing it's the req_ctx.c / req_ctx.h?
Thanks
Hi,
I see earlier in the archives that reducing the buffer size in the firmware will resolve this. Hasn't this already been done though in new releases of the firmware? As I have pulled the latest version from the openpcd git repo and built it. If not what have people reduced the buffer size to? And has it had any fixes?
Sent from my iPad
Dear all,
Time has come to fill out the "Talks/Discussions/Workshop / Hacking"
section of the wiki page.
If you have something you'd like to present, talk about or hack on,
add it there. A simple descriptive title along with an estimated
duration is enough.
I guess we'll collect those for 2/3 weeks and then start making the schedule.
Cheers,
Sylvain
