mythbackend segfault error 4 in libQtCore.so.4.7.0

[Getit]

Binary package hint: mythtv-backend

The error repeats all time

[ 8368.602917] mythbackend[7202]: segfault at 50 ip 017752dc sp bfc378d0 error 4 in libQtCore.so.4.7.0[1719000+290000]
[ 8463.482080] mythbackend[7216]: segfault at 50 ip 040f12dc sp bfeee290 error 4 in libQtCore.so.4.7.0[4095000+290000]
[ 8527.392858] mythbackend[7241]: segfault at 50 ip 026fd2dc sp bfcad300 error 4 in libQtCore.so.4.7.0[26a1000+290000]
[ 8622.433696] mythbackend[7304]: segfault at 50 ip 07c0e2dc sp bff8db70 error 4 in libQtCore.so.4.7.0[7bb2000+290000]
[ 8686.124945] mythbackend[7334]: segfault at 50 ip 096322dc sp bfe24090 error 4 in libQtCore.so.4.7.0[95d6000+290000]
[ 8749.862547] mythbackend[7353]: segfault at 50 ip 025872dc sp bf8a10a0 error 4 in libQtCore.so.4.7.0[252b000+290000]
[ 8782.362153] mythbackend[7382]: segfault at 60 ip 052be2dc sp bfb944d0 error 4 in libQtCore.so.4.7.0[5262000+290000]
[ 8877.179181] mythbackend[7396]: segfault at 50 ip 020ea2dc sp bfbc19c0 error 4 in libQtCore.so.4.7.0[208e000+290000]
[ 8909.669592] mythbackend[7460]: segfault at 50 ip 020712dc sp bfc31d20 error 4 in libQtCore.so.4.7.0[2015000+290000]
[ 8942.019632] mythbackend[7474]: segfault at 50 ip 0441a2dc sp bfa536f0 error 4 in libQtCore.so.4.7.0[43be000+290000]
[ 8974.534296] mythbackend[7488]: segfault at 50 ip 024952dc sp bfb52170 error 4 in libQtCore.so.4.7.0[2439000+290000]

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: mythtv-backend 0.23.1+fixes26437-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.35-28.50-generic 2.6.35.11
Uname: Linux 2.6.35-28-generic i686
Architecture: i386
Date: Thu May 5 20:26:51 2011
InstallationMedia: Mythbuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
Installed_mythplugins-dbg: 0.0
Installed_mythtv-dbg: 0.23.1+fixes26437-0ubuntu1
ProcEnviron:
 LANG=es_ES.utf8
 SHELL=/bin/bash
SourcePackage: mythtv