[Asterisk-Dev] Re: SigSeg in channel.c / chan_mISDN problem ?

[Andreas Czerniak]

Brian, here the back trace ...

#0  0x0805dac6 in ast_queue_frame (chan=0x436004f0, fin=0x41203750) at 
channel.c:384
384             cur = chan->pvt->readq;
(gdb) bt
#0  0x0805dac6 in ast_queue_frame (chan=0x436004f0, fin=0x41203750) at 
channel.c:384
#1  0x40d920ef in chan_misdn_write_frm (tmp=0x43600480, buf=0x8146e5c '~' 
<repeats 128 times>, len=128) at chan_misdn.c:1987
#2  0x40d9414f in cb_te_events (mgr=0x8104330, event=EVENT_BCHAN_DATA, 
bc=0x8104fd0, user_data=0x0) at chan_misdn.c:2861
#3  0x40d8ac2c in handle_bchan (mgr=0x8104330, msg=0x8146e18) at 
te_lib.c:1673
#4  0x40d8be20 in manager_isdn_mgmt_handler (mgr=0x8104330, frm=0x8146e4c, 
msg=0x8146e18) at te_lib.c:2236
#5  0x40d8b605 in manager_te_isdn_event_catcher (arg=0x8104330) at 
te_lib.c:1984
#6  0x4002b9dd in start_thread () from /lib/tls/libpthread.so.0
#7  0x40197ffa in clone () from /lib/tls/libc.so.6

I clean up the system an re-compile asterisk and chan_* drivers.

Thanks !

-Andreas.


--On Mittwoch, 18. Mai 2005 11:14 -0500 Brian West <brian.west at mac.com> 
wrote:

> What does the  backtrace of the core file say?
>
> /b
>
> On May 18, 2005, at 10:05 AM, Andreas Czerniak wrote:
>
>> Hmm, i can re-produce this problem in a way:
>>
>> - external call to voip
>> - voip terminate this call
>>
>> After this, asterisk produce an sigseg like:
>>
>> I SEND:DISCONNECT       port:1  pid:0   mode:TE addr:51400101
>> --> l3id:20011 cause:16 dad:72 oad:xyxyxyxyxyxyxyxyxy channel:1 port:1
>> Ouch ... error while writing audio data: : Broken pipe
>> Segmentation fault (core dumped)
>>
>> Can be this a problem with the chan_mISDN driver ?
>>
>> Thx,
>> Andreas.
>>
>> --On Mittwoch, 18. Mai 2005 15:10 +0200 Andreas Czerniak
>> <cognac at amcs.net> wrote:
>>
>>
>>> Dear !
>>>
>>> After an update from 1.0.3 -> 1.0.7 Asterisk, I have an Segmentation
>>> fault at regular intervals in the channel.c file. Every SigSeg
>>> produce an
>>> core dump file. After loading this in gdb, asterisk interrupt
>>> every time
>>> in the same line:
>>>
>>> # 0  0x0805dac6 in ast_queue_frame (chan=0x81bcb48,
>>> fin=0x41203750) at
>>> # channel.c:384
>>> 384             cur = chan->pvt->readq;
>>>
>>>
>>> Our configuration: Asterisk 1.0.7, on a linux 2.6.11.9 with mISDN and
>>> CAPI devices.
>>>
>>> Have anyone an hint for more debugging output or a solution for this
>>> problem ?
>>>
>>> Thx in advanced,
>>>
>>> Andreas.
>>>
>>
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