Are you making HTTP Sync requests at a given point on startup? 
I stumped on the same issue about an hour ago and from what I could tell, one of the multiple HTTP Async Request Kamailio executes fails and generates a dump from kamailio.... but the URL and the POSTed data is valid, the HTTP REST Service does send back the response when using cURL, and previous HTTP requests also work fine....

Atenciosamente / Kind Regards / Cordialement / Un saludo,


Sérgio Charrua


On Thu, Jul 24, 2025 at 6:34 PM Fernando Lopes via sr-users <sr-users@lists.kamailio.org> wrote:
Hello everyone,

I'm getting this during start up error and I can't figure out what it means. I've searched for a solution but haven't found anything relevant.
Also I don't see any useful debug messages during to complement this error.

19(61) CRITICAL: <core> [core/pass_fd.c:281]: receive_fd(): EOF on 18
 0(2) ALERT: <core> [main.c:792]: handle_sigs(): child process 49 exited by a signal 11
 0(2) ALERT: <core> [main.c:796]: handle_sigs(): core was generated
 0(2) INFO: <core> [main.c:819]: handle_sigs(): terminating due to SIGCHLD

Any tips for debugging or finding the problem.

Thank you.
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