[asterisk-dev] Asterisk 1.2.6 segfaults once in 24 hours with moderate load. Backtrace.

[Anton]

The following backtrace I've got. Is it known problem? 
* Load is tens of thousands calls per 24 hours.

#0  alawtoulaw_framein (pvt=0x8205648, f=0x8169554) at codec_a_mu.c:128
128             tmp->outbuf[tmp->tail + x] = a2mu[b[x]];
(gdb) backtrace
#0  alawtoulaw_framein (pvt=0x8205648, f=0x8169554) at codec_a_mu.c:128
#1  0x08069e74 in ast_translate (path=0x81441b8, f=0x8169554, consume=0) at translate.c:162
#2  0x080629da in ast_write (chan=0x8229db0, fr=0x8169554) at channel.c:2263
#3  0xb74be865 in wait_for_answer (in=0x82295b8, outgoing=0x81d7918, to=0xb6e9dc10, peerflags=0xb6e9e568, sentringing=0xb6e9dc14,
    status=0xb6e9ddb0 "NOANSWER", statussize=256, busystart=0, nochanstart=0, congestionstart=0, priority_jump=0, result=0x0)
    at app_dial.c:705
#4  0xb74bbf44 in dial_exec_full (chan=0x82295b8, data=0x81d7918, peerflags=0xb6e9e568) at app_dial.c:1163
#5  0xb74badc5 in dial_exec (chan=0x0, data=0x0) at app_dial.c:1602
#6  0x0808e3c5 in pbx_extension_helper (c=0x82295b8, con=0x0, context=0x8229708 "ss7", exten=0x82297fc "005470959264141994", priority=1,
    label=0x0, callerid=0x0, action=0) at pbx.c:545
#7  0x0808ef6a in __ast_pbx_run (c=0x82295b8) at pbx.c:2218
#8  0x0808fc5f in pbx_thread (data=0x0) at pbx.c:2505
#9  0xb7fa4b63 in start_thread () from /lib/tls/libpthread.so.0
#10 0xb7e9f18a in clone () from /lib/tls/libc.so.6