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Summary:ASTERISK-14142: Segmentation fault with incoming calls
Reporter:fishticky (fishticky)Labels:
Date Opened:2009-05-15 16:35:34Date Closed:2009-05-29 12:50:36
Priority:CriticalRegression?No
Status:Closed/CompleteComponents:Addons/chan_mobile
Versions:Frequency of
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Issues:
Environment:Attachments:
Description:For this issue, my chan_mobile version is 1.6.2, and my asterisk version is 1.6.2(beta2)

Having had problems with dtmf being accepted for incoming calls using chan_mobile v. 1.6.1 and asterisk v. 1.6.1, I upgraded both to version 1.6.2.  However, now 90% of the time any incoming call is received, asterisk immediately shuts down, and a segmentation fault occurs (however, in the 10% of the time that it works, everything works perfectly during the duration of the call, including dtmf)

My extensions.conf file is as follows:

[my-phone]
exten => s,1,Answer()
exten => s,n,Wait(1)
exten => s,n,Authenticate(1234)
exten => s,n,Background(vm-enter-num-to-call)
exten => s,n,Wait(1)
exten => s,n,Hangup()


Using gdb, here is the backtrace of the core that is saved after the segfault:

#0  0x00272c4d in __i686.get_pc_thunk.bx ()
  from /usr/lib/asterisk/modules/chan_mobile.so
#1  0x00000010 in ?? ()
#2  0x004ce391 in pthread_mutex_lock () from /lib/libpthread.so.0
#3  0x080971d1 in ast_raw_answer (chan=0x9af2d20, cdr_answer=1)
   at channel.c:1771
#4  0x0809a764 in __ast_answer (chan=0x9af2d20, delay=0, cdr_answer=1)
   at channel.c:1789
ASTERISK-1  0x080fd066 in handle_set_extenpatternmatchnew (e=0x9af2d20, cmd=160475728,
   a=0x493180) at pbx.c:6263
ASTERISK-2  0x080fc19f in device_state_cb (event=0x9af2d20, unused=0x9900150)
   at pbx.c:9218
ASTERISK-3  0x08108f9d in pbx_extension_helper (c=0x9af2d20, con=0x0,
   context=<value optimized out>, exten=0x9af2fe0 "s", priority=1, label=0x0,
   callerid=0x990a848 "5109192759", action=E_SPAWN, found=0xb756b338,
   combined_find_spawn=1) at pbx.c:3730
ASTERISK-4  0x0810b5d4 in manager_show_dialplan_helper (s=0xc, m=0x3b9bb0,
   actionidtext=0x0,
   context=0x9af2820 "pbx_thread", ' ' <repeats 11 times>, "started at [ 4541] pbx.c ast_pbx_start()", exten=0x0, dpc=0xb756b3b8, rinclude=0x814dcdb)
   at pbx.c:5973
ASTERISK-5  0x0810d190 in __ast_pbx_run (c=0x0, args=0x0) at pbx.c:4296
ASTERISK-6 0x0814dcdb in dummy_start (data=0x990aac8) at utils.c:949
ASTERISK-7 0x004cc45b in start_thread () from /lib/libpthread.so.0
ASTERISK-8 0x00423e5e in clone () from /lib/libc.so.6

Comments:By: fishticky (fishticky) 2009-05-15 16:50:54

I forgot to add, the phone model is a samsung sgh-x820
By: Matthew Nicholson (mnicholson) 2009-05-15 16:55:32

Try the latest SVN from addons branch 1.6.2.  There were some fixes from trunk that I neglected to merge.
By: fishticky (fishticky) 2009-05-28 13:39:58

Ok, I will try that soon.

One thing I should mention, is that this problem ONLY happens on the samsung sgh-x820.  I tried this on three other cell phones (all Nokia), and this issue did not occur again.
By: fishticky (fishticky) 2009-05-29 12:46:26

Yup, it seems that the new asterisk-addons branch did fix the segmentation faults resulting from the sgh-x820 phone.  As far as I'm concerned, this issue is resolved...