[asterisk-users] fax & spandsp

[Klaus Darilion]

The backtrace is not useable. Try to rebuild Asterisk with the "Don't 
Optimize" Option ("make menuconfig" and the the build options)

regards
klaus

Edwin Lam wrote:
> Philip A. Prindeville wrote:
>> On 03/08/2010 04:31 PM, Edwin Lam wrote:
>>> hi folks.
>>>
>>> i recently upgraded asterisk to 1.6.1.17(from 1.2) and i'm having
>>> problems with fax. after receiving fax with the ReceiveFAX app.
>>> everything seems ok. the .tiff file was there, phone line seems
>>> to hang up. then asterisk will crash. any ideas?
>>> also i looked in the log file. this is what before it crashed:
>>>
>>> [Mar  8 12:12:12] WARNING[30115] app_fax.c: WARNING T.30 ECM carrier not found
>>> [Mar  8 12:12:12] WARNING[30115] app_fax.c: WARNING T.30 ECM carrier not found
>>> [Mar  8 12:12:12] WARNING[30115] app_fax.c: WARNING T.30 ECM carrier not found
>>> [Mar  8 12:12:12] WARNING[30115] app_fax.c: WARNING T.30 ECM carrier not found
>>> [Mar  8 12:12:30] VERBOSE[30115] pbx.c: [Mar  8 12:12:30]     -- Auto fallthrough, channel 'DAHDI/8-1' status is 'UNKNOWN'
>>> [Mar  8 12:12:30] VERBOSE[30115] pbx.c: [Mar  8 12:12:30]     -- Executing [h at detectfax:1] GotoIf("DAHDI/8-1", "1?200") in new stack
>>> [Mar  8 12:12:30] VERBOSE[30115] pbx.c: [Mar  8 12:12:30]     -- Goto (detectfax,h,200)
>>> [Mar  8 12:12:30] VERBOSE[30115] pbx.c: [Mar  8 12:12:30]     -- Executing [h at detectfax:200] System("DAHDI/8-1", "/usr/local/bin/mailfax /var/spool/asterisk/fax/4502-1268079069.417.tif xxxx at xxxx.com   ") in new stack
>>> [Mar  8 12:12:31] VERBOSE[30115] chan_dahdi.c: [Mar  8 12:12:31]     -- Hungup 'DAHDI/8-1'
>>>
>>> asterisk: 1.6.1.17
>>> spandsp: 0.0.6pre17
>>>   
>> What happens when you turn off autofallthrough?
> 
> exactly same thing except instead of the "Auto fallthrough" line
> the following came up:
> pbx.c:3928 __ast_pbx_run: Don't know what to do with 'DAHDI/5-1'
> 
> 
> and also here's the backtracce (i'm using Debian lenny)
> 
> *** glibc detected *** /usr/sbin/asterisk: double free or corruption (!prev): 0x082528b8 ***
> ======= Backtrace: =========
> /lib/i686/cmov/libc.so.6[0xb7d66624]
> /lib/i686/cmov/libc.so.6(cfree+0x96)[0xb7d68826]
> /usr/sbin/asterisk[0x80d2e89]
> /lib/i686/cmov/libpthread.so.0[0xb7ce156a]
> /lib/i686/cmov/libc.so.6(clone+0x5e)[0xb7dd86de]
> 
> 
>