mythbackend segfault at start of recording

MythTV Version : 16838
MythTV Branch : branches/release-0-21-fixes
Library API : 0.21.20080304-1
Network Protocol : 40
Options compiled in:
 linux profile using_oss using_alsa using_arts using_jack using_backend using_dbox2 using_dvb using_firewire using_frontend using_hdhomerun using_iptv using_ivtv using_joystick_menu using_libfftw3 using_lirc using_opengl_vsync using_opengl_video using_v4l using_x11 using_xrandr using_xv using_xvmc using_xvmcw using_xvmc_vld using_glx_proc_addr_arb using_bindings_perl using_bindings_python using_opengl using_ffmpeg_threads using_libavc_5_3 using_live

Arch:
i386 (Dual P450)

ProcCmdline:
/usr/bin/mythbackend --daemon --logfile /var/log/mythtv/mythbackend.log --pidfile /var/run/mythtv/mythbackend.pid --noupnp --nojobqueue

Kernel Log:
Apr 27 22:18:03 atlantia kernel: [1392289.060402] mythbackend[21454]: segfault at 000000b8 eip b65eef01 esp b4349160 error 4