[asterisk-dev] dahdi 2.6 and oslec compatibility

[Tzafrir Cohen]

On Thu, Mar 01, 2012 at 09:13:00AM +0800, d tbsky wrote:
> hi:
>     the driver used is wctdm with a 4 port TDM400P FXO card. I also try
> TE210P with wct4xxp driver and E1 line, it is fine.  I also tried them in
> another machine,the result is the same.
>     so the problem seems come with wctdm and oslec.
>   when system crash, I can't see any message.there are no kernel panic
> message. the whole system just hang there and keyboard hang too. all the
> network service of the system stop working, but I can still ping the
> machine.

Can you try using magic sysrq commands from the console?
http://kernel.org/doc/Documentation/sysrq.txt

>     oslec comes from kernel 2.6.38 and 3.2 source code.(they are the same).
>     I will tried to use another card with wctdm driver when I get chance.
>     thanks for the hint!!

What happens if you set the echo canceller to mg2 in
/etc/dahdi/system.conf ? Do you still have the same problem?

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               Tzafrir Cohen
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