[Asterisk-Users] Strange Segmentation fault

[Paradise Dove]

I get seg. fault with my * box. at the crash time i had about 35
Bridged Channel.
i have:
- dual xeon box (3.2Ghz)
- 2Gb of memory 
- E7501 chipset motherboard.
- U320 scsi disks
- intel Gb ethernet device.
- i only use sip for clients (no fxs in box)
- TE405P for fxo (with 4 atran TA750).
- ulaw is used as codec and echo cancellationo is enabled.

but the core dump file has nothing to show with "gdb".

this is the output of gdb:

Program terminated with signal 11, Segmentation fault.
#0  0xb7fbbce4 in ?? ()