*** glibc detected *** /opt/mythtv/upnp-8801/bin/mythpreviewgen: munmap_chunk(): invalid pointer: 0x00007f4ef8002440 ***
======= Backtrace: =========
/lib/libc.so.6(+0x775b6)[0x7f4f086aa5b6]
/lib/libc.so.6(+0x9b039)[0x7f4f086ce039]
/lib/libc.so.6(tzset+0x40)[0x7f4f086ce310]
/usr/lib/libQtCore.so.4(_ZN5QTime11currentTimeEv+0x1f)[0x7f4f091ea21f]
/opt/mythtv/upnp-8801/lib/libmythdb-0.23.so.0(_ZN16MythSocketThread3runEv+0x2919)[0x7f4f0f0cc09b]
/usr/lib/libQtCore.so.4(+0x79775)[0x7f4f091dc775]
/lib/libpthread.so.0(+0x69ca)[0x7f4f0ac629ca]
/lib/libc.so.6(clone+0x6d)[0x7f4f087196cd]
======= Memory map: ========
00400000-00408000 r-xp 00000000 09:00 1315164                            /opt/mythtv/upnp-8801/bin/mythpreviewgen
00607000-00608000 r--p 00007000 09:00 1315164                            /opt/mythtv/upnp-8801/bin/mythpreviewgen
00608000-00609000 rw-p 00008000 09:00 1315164                            /opt/mythtv/upnp-8801/bin/mythpreviewgen
01f4f000-02640000 rw-p 00000000 00:00 0                                  [heap]
7f4ef51b5000-7f4ef51b6000 ---p 00000000 00:00 0
7f4ef51b6000-7f4ef8000000 rw-p 00000000 00:00 0
7f4ef8000000-7f4ef8021000 rw-p 00000000 00:00 0
7f4ef8021000-7f4efc000000 ---p 00000000 00:00 0
7f4efc0c7000-7f4efc6cb000 rw-p 00000000 00:00 0
7f4efc6cb000-7f4efc6cf000 r-xp 00000000 09:00 1316811                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libyadif.so
7f4efc6cf000-7f4efc8ce000 ---p 00004000 09:00 1316811                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libyadif.so
7f4efc8ce000-7f4efc8cf000 r--p 00003000 09:00 1316811                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libyadif.so
7f4efc8cf000-7f4efc8d0000 rw-p 00004000 09:00 1316811                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libyadif.so
7f4efc8d0000-7f4efc8d2000 r-xp 00000000 09:00 1316622                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libquickdnr.so
7f4efc8d2000-7f4efcad2000 ---p 00002000 09:00 1316622                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libquickdnr.so
7f4efcad2000-7f4efcad3000 r--p 00002000 09:00 1316622                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libquickdnr.so
7f4efcad3000-7f4efcad4000 rw-p 00003000 09:00 1316622                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libquickdnr.so
7f4efcad4000-7f4efcad5000 ---p 00000000 00:00 0
7f4efcad5000-7f4efd2d5000 rw-p 00000000 00:00 0
7f4efd2d5000-7f4efd2ea000 r-xp 00000000 09:00 1314949                    /opt/mythtv/upnp-8801/lib/libmythpostproc.so.51.2.0
7f4efd2ea000-7f4efd4e9000 ---p 00015000 09:00 1314949                    /opt/mythtv/upnp-8801/lib/libmythpostproc.so.51.2.0
7f4efd4e9000-7f4efd4ea000 r--p 00014000 09:00 1314949                    /opt/mythtv/upnp-8801/lib/libmythpostproc.so.51.2.0
7f4efd4ea000-7f4efd4eb000 rw-p 00015000 09:00 1314949                    /opt/mythtv/upnp-8801/lib/libmythpostproc.so.51.2.0
7f4efd4eb000-7f4efd4ed000 r-xp 00000000 09:00 1316842                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libpostprocess.so
7f4efd4ed000-7f4efd6ec000 ---p 00002000 09:00 1316842                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libpostprocess.so
7f4efd6ec000-7f4efd6ed000 r--p 00001000 09:00 1316842                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libpostprocess.so
7f4efd6ed000-7f4efd6ee000 rw-p 00002000 09:00 1316842                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libpostprocess.so
7f4efd6ee000-7f4efd6ef000 r-xp 00000000 09:00 1316699                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libonefield.so
7f4efd6ef000-7f4efd8ee000 ---p 00001000 09:00 1316699                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libonefield.so
7f4efd8ee000-7f4efd8ef000 r--p 00000000 09:00 1316699                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libonefield.so
7f4efd8ef000-7f4efd8f0000 rw-p 00001000 09:00 1316699                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libonefield.so
7f4efd8f0000-7f4efd8f2000 r-xp 00000000 09:00 1316497                    /opt/mythtv/upnp-8801/lib/mythtv/filters/liblinearblend.so
7f4efd8f2000-7f4efdaf1000 ---p 00002000 09:00 1316497                    /opt/mythtv/upnp-8801/lib/mythtv/filters/liblinearblend.so
7f4efdaf1000-7f4efdaf2000 r--p 00001000 09:00 1316497                    /opt/mythtv/upnp-8801/lib/mythtv/filters/liblinearblend.so
7f4efdaf2000-7f4efdaf3000 rw-p 00002000 09:00 1316497                    /opt/mythtv/upnp-8801/lib/mythtv/filters/liblinearblend.so
7f4efdaf3000-7f4efdaf7000 r-xp 00000000 09:00 1316642                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libkerneldeint.so
7f4efdaf7000-7f4efdcf6000 ---p 00004000 09:00 1316642                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libkerneldeint.so
7f4efdcf6000-7f4efdcf7000 r--p 00003000 09:00 1316642                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libkerneldeint.so
7f4efdcf7000-7f4efdcf8000 rw-p 00004000 09:00 1316642                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libkerneldeint.so
7f4efdcf8000-7f4efdcfd000 r-xp 00000000 09:00 1316782                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libivtc.so
7f4efdcfd000-7f4efdefc000 ---p 00005000 09:00 1316782                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libivtc.so
7f4efdefc000-7f4efdefd000 r--p 00004000 09:00 1316782                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libivtc.so
7f4efdefd000-7f4efdefe000 rw-p 00005000 09:00 1316782                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libivtc.so
7f4efdefe000-7f4efdeff000 r-xp 00000000 09:00 1316407                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libinvert.so
7f4efdeff000-7f4efe0fe000 ---p 00001000 09:00 1316407                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libinvert.so
7f4efe0fe000-7f4efe0ff000 r--p 00000000 09:00 1316407                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libinvert.so
7f4efe0ff000-7f4efe100000 rw-p 00001000 09:00 1316407                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libinvert.so
7f4efe100000-7f4efe104000 r-xp 00000000 09:00 1316783                    /opt/mythtv/upnp-8801/lib/mythtv/filters/libgreedyhdeint.so