I am using mod_python script for IVR functionality, and facing an issue. Even after users end the call, no CALL DESTROY events are captured by the Freeswitch and after a while Freeswitch itself crashes with following logs:
7fd202913000-7fd202914000 rw-p 0000a000 08:02 129173231 /usr/lib/x86_64-linux-gnu/libkrb5support.so.0.1
7fd202914000-7fd202917000 r-xp 00000000 08:02 43057313 /lib/x86_64-linux-gnu/libcom_err.so.2.1
7fd202917000-7fd202b16000 ---p 00003000 08:02 43057313 /lib/x86_64-linux-gnu/libcom_err.so.2.1
7fd202b16000-7fd202b17000 r--p 00002000 08:02 43057313 /lib/x86_64-linux-gnu/libcom_err.so.2.1
7fd202b17000-7fd202b18000 rw-p 00003000 08:02 43057313 /lib/x86_64-linux-gnu/libcom_err.so.2.1
7fd202b18000-7fd202b44000 r-xp 00000000 08:02 129177695 /usr/lib/x86_64-linux-gnu/libk5crypto.so.3.1
7fd202b44000-7fd202d43000 ---p 0002c000 08:02 129177695 /usr/lib/x86_64-linux-gnu/libk5crypto.so.3.1
7fd202d43000-7fd202d45000 r--p 0002b000 08:02 129177695 /usr/lib/x86_64-linux-gnu/libk5crypto.so.3.1
7fd202d45000-7fd202d46000 rw-p 0002d000 08:02 129177695 /usr/lib/x86_64-linux-gnu/libk5crypto.so.3.1
7fd202d46000-7fd202d47000 rw-p 00000000 00:00 0
7fd202d47000-7fd202e03000 r-xp 00000000 08:02 129173229 /usr/lib/x86_64-linux-gnu/libkrb5.so.3.3
7fd202e03000-7fd203003000 ---p 000bc000 08:02 129173229 /usr/lib/x86_64-linux-gnu/libkrb5.so.3.3
7fd203003000-7fd203010000 r--p 000bc000 08:02 129173229 /usr/lib/x86_64-linux-gnu/libkrb5.so.3.3
7fd203010000-7fd203012000 rw-p 000c9000 08:02 129173229 /usr/lib/x86_64-linux-gnu/libkrb5.so.3.3
7fd203012000-7fd20308e000 r-xp 00000000 08:02 43057497 /lib/x86_64-linux-gnu/libgcrypt.so.11.8.2
7fd20308e000-7fd20328e000 ---p 0007c000 08:02 43057497 /lib/x86_64-linux-gnu/libgcrypt.so.11.8.2
7fd20328e000-7fd20328f000 r--p 0007c000 08:02 43057497 /lib/x86_64-linux-gnu/libgcrypt.so.11.8.2
7fd20328f000-7fd203292000 rw-p 0007d000 08:02 43057497 /lib/x86_64-linux-gnu/libgcrypt.so.11.8.2
7fd203292000-7fd203349000 r-xp 00000000 08:02 129173818 /usr/lib/x86_64-linux-gnu/libgnutls.so.26.22.6
7fd203349000-7fd203549000 ---p 000b7000 08:02 129173818 /usr/lib/x86_64-linux-gnu/libgnutls.so.26.22.6
7fd203549000-7fd20354f000 r--p 000b7000 08:02 129173818 /usr/lib/x86_64-linux-gnu/libgnutls.so.26.22.6
7fd20354f000-7fd203550000 rw-p 000bd000 08:02 129173818 /usr/lib/x86_64-linux-gnu/libgnutls.so.26.22.6
7fd203550000-7fd203551000 rw-p 00000000 00:00 0
7fd203551000-7fd20355a000 r-xp 00000000 08:02 129174659 /usr/lib/x86_64-linux-gnu/libltdl.so.7.3.0
7fd20355a000-7fd203759000 ---p 00009000 08:02 129174659 /usr/lib/x86_64-linux-gnu/libltdl.so.7.3.0
7fd203759000-7fd20375a000 r--p 00008000 08:02 129174659 /usr/lib/x86_64-linux-gnu/libltdl.so.7.3.0
7fd20375a000-7fd20375b000 rw-p 00009000 08:02 129174659 /usr/lib/x86_64-linux-gnu/libltdl.so.7.3.0
7fd20375b000-7fd203780000 r-xp 00000000 08:02 43057428 /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fd203780000-7fd20397f000 ---p 00025000 08:02 43057428 /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fd20397f000-7fd203983000 r--p 00024000 08:02 43057428 /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fd203983000-7fd203984000 rw-p 00028000 08:02 43057428 /lib/x86_64-linux-gnu/libtinfo.so.5.9
7fd203984000-7fd2039d1000 r-xp 00000000 08:02 129172944 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.8.3
7fd2039d1000-7fd203bd0000 ---p 0004d000 08:02 129172944 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.8.3
7fd203bd0000-7fd203bd2000 r--p 0004c000 08:02 129172944 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.8.3
7fd203bd2000-7fd203bd3000 rw-p 0004e000 08:02 129172944 /usr/lib/x86_64-linux-gnu/libldap_r-2.4.so.2.8.3
7fd203bd3000-7fd203bd5000 rw-p 00000000 00:00 0
7fd203bd5000-7fd203be2000 r-xp 00000000 08:02 129175424 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.8.3
7fd203be2000-7fd203de2000 ---p 0000d000 08:02 129175424 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.8.3
7fd203de2000-7fd203de3000 r--p 0000d000 08:02 129175424 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.8.3
7fd203de3000-7fd203de4000 rw-p 0000e000 08:02 129175424 /usr/lib/x86_64-linux-gnu/liblber-2.4.so.2.8.3
7fd203de4000-7fd203e28000 r-xp 00000000 08:02 129173227 /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2.2
7fd203e28000-7fd204028000 ---p 00044000 08:02 129173227 /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2.2
7fd204028000-7fd204029000 r--p 00044000 08:02 129173227 /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2.2
7fd204029000-7fd20402b000 rw-p 00045000 08:02 129173227 /usr/lib/x86_64-linux-gnu/libgssapi_krb5.so.2.2
7fd20402b000-7fd204044000 r-xp 00000000 08:02 129172855 /usr/lib/x86_64-linux-gnu/librtmp.so.0
7fd204044000-7fd204243000 ---p 00019000 08:02 129172855 /usr/lib/x86_64-linux-gnu/librtmp.so.0
7fd204243000-7fd204244000 r--p 00018000 08:02 129172855 /usr/lib/x86_64-linux-gnu/librtmp.so.0
7fd204244000-7fd204245000 rw-p 00019000 08:02 129172855 /usr/lib/x86_64-linux-gnu/librtmp.so.0
7fd204245000-7fd204276000 r-xp 00000000 08:02 129172819 /usr/lib/x86_64-linux-gnu/libidn.so.11.6.11
7fd204276000-7fd204476000 ---p 00031000 08:02 129172819 /usr/lib/x86_64-linux-gnu/libidn.so.11.6.11
7fd204476000-7fd204477000 r--p 00031000 08:02 129172819 /usr/lib/x86_64-linux-gnu/libidn.so.11.6.11