[asterisk-bugs] [JIRA] (ASTERISK-21916) Call hangs when FILTER function is used in dial plan

[Rusty Newton (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-21916?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=208331#comment-208331 ] 

Rusty Newton commented on ASTERISK-21916:
-----------------------------------------

Not sure whats happening with your GDB. 

In the command you pasted:
{noformat}
gdb -ex "thread apply all bt" --batch /mnt/sda2/usr/devel/sbin/asterisk `pidof asterisk` >/mnt/sda2/tmp/backtrace-threads.txt
{noformat}
You don't have a space between the ">" and the final path.

Also, did you check what `pidof asterisk` evaluates to? The errors almost make it sound like there was two Asterisk processes running.

We'll leave this in feedback longer for you to obtain a backtrace. Let us know if you can't get any trace.
                
> Call hangs when FILTER function is used in dial plan
> ----------------------------------------------------
>
>                 Key: ASTERISK-21916
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-21916
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Functions/func_strings
>    Affects Versions: 11.4.0
>         Environment: Latest binaries of Asterisk 11.4.0 from Optware repository running on an Asus RT-n66u (Tomato USB based router, MIPS 74K V4.9) with firmware 3.0.0.4.270.25 (rmerlin variant) and Linux 2.6.22.19, installed on an ext3 partition on external HD
>            Reporter: Elizabeth Hudnott
>            Assignee: Elizabeth Hudnott
>            Severity: Critical
>         Attachments: debug.log
>
>
> Whenever the FILTER function is used in the dial plan the call hangs.  No further dial plan steps get executed, ringing tone ceases, the call remains open until Asterisk is restarted and CPU utilization increases sharply.
> Simple dial plan extract to reproduce the problem:
> {noformat}
> exten=>**4,1,Verbose(${FILTER(0-9,123)})
> same=>n,Hangup()
> {noformat}
> This behaviour occurs consistently every time the extension is dialled from CSipSimple sofphone.

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