[SR-Users] Keep-Alive in dialog "freeing a free fragment"

[Dirk Teurlings - SIGNET B.V.]

Hi,

(Kamailio 4.2.3)

Working to get dialogs closed and cleaned up nicely I'm looking into the 
ka_interval and ka_timer parameter of the dialog module. The following 
is now happening.

Scenario:
1. Call gets setup
2. Callee's internet connection drops
3. Call gets terminated (nicely) due to ka_timer/ka_interval
4. Log fills with "freeing a free fragment" after about 10 seconds

Digging into this I saw that the dialog is being closed and cleaned 
properly in step 3. But it fails to remove/clean the timers used for the 
keep-alive. That's what triggers step 4, which in turn tries to clean 
the (or some of the) dialog space again. Is this expected behaviour when 
using the keep-alive options, or am I running into somekind of (known) bug?

Thanks in advance for any help.

-- 
Cheers,
Dirk Teurlings