[asterisk-dev] Asterisk 1.2.7.1 dying in alawtolin_framein at codec_alaw.c

[Anton]

Production asterisk is dying once in 24hours. Any clue anyone?

#0  alawtolin_framein (pvt=0x825e120, f=0xb7a2c804) at codec_alaw.c:173
173             tmp->outbuf[tmp->tail + x] = AST_ALAW(b[x]);
(gdb) backtrace
#0  alawtolin_framein (pvt=0x825e120, f=0xb7a2c804) at codec_alaw.c:173
#1  0x08069e74 in ast_translate (path=0x8130458, f=0xb7a2c804, consume=1) at translate.c:162
#2  0x080619a5 in ast_read (chan=0xb5e9c710) at channel.c:1933
#3  0xb732c7f0 in wait_for_answer (in=0xb5e9c710, outgoing=0x8153c10, to=0xb67dec10, peerflags=0xb67df568,
    sentringing=0xb67dec14, status=0xb67dedb0 "NOANSWER", statussize=256, busystart=0, nochanstart=0,
    congestionstart=0, priority_jump=0, result=0xb7a2c804) at app_dial.c:660
#4  0xb7329f40 in dial_exec_full (chan=0xb5e9c710, data=0x8153c10, peerflags=0xb67df568) at app_dial.c:1180
#5  0xb7328dc5 in dial_exec (chan=0xb7a2c804, data=0xb7a2c804) at app_dial.c:1619
#6  0x0808e445 in pbx_extension_helper (c=0xb5e9c710, con=0xb7a2c804, context=0xb5e9c860 "ss7",
    exten=0xb5e9c954 "005481099412450049", priority=1, label=0x0, callerid=0x0, action=0) at pbx.c:553
#7  0x0808efea in __ast_pbx_run (c=0xb5e9c710) at pbx.c:2227
#8  0x0808fcdf in pbx_thread (data=0xb7a2c804) at pbx.c:2514
#9  0xb7f15b63 in start_thread () from /lib/tls/libpthread.so.0
#10 0xb7e1018a in clone () from /lib/tls/libc.so.6
(gdb)