This happens with the PearlHD(Native) skin. If I use the default VDR skin, there's not crash.
Here's a backtrace with gdb;
root@htpc:~# gdb vdr-dbg /var/log/vdr/core.13280
GNU gdb (Ubuntu/Linaro 7.4-2012.04-0ubuntu2) 7.4-2012.04
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-linux-gnu".
For bug reporting instructions, please see:
<http://bugs.launchpad.net/gdb-linaro/>...
Reading symbols from /usr/bin/vdr-dbg...done.
[New LWP 13280]
...
[New LWP 13358]
warning: Can't read pathname for load map: Input/output error.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/vdr-dbg --lirc=/var/run/lirc/lircd -v /srv/vdr/video.00 -c /var/lib/vd'.
Program terminated with signal 6, Aborted.
#0 0x00007f8f14ac6445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) ba
#0 0x00007f8f14ac6445 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f8f14ac9bab in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f8f14b03e2e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007f8f14b99007 in __fortify_fail () from /lib/x86_64-linux-gnu/libc.so.6
#4 0x00007f8f14b97f00 in __chk_fail () from /lib/x86_64-linux-gnu/libc.so.6
#5 0x00000000004a7722 in cReplayControl::ShowProgress (this=0x2c3cad0, Initial=<optimised out>) at menu.c:5197
#6 0x00000000004a78bd in cReplayControl::ShowTimed (this=0x2c3cad0, Seconds=2) at menu.c:5117
#7 0x00000000004a7d8c in cReplayControl::MarkToggle (this=0x2c3cad0) at menu.c:5311
#8 0x00000000004a8463 in cReplayControl::ProcessKey (this=0x2c3cad0, Key=k0) at menu.c:5517
#9 0x00007f8f0df7cc4b in myReplayControl::ProcessKey(eKeys) () from /usr/lib/vdr/plugins/libvdr-extrecmenu.so.1.7.27
#10 0x00000000004604ed in main (argc=<optimised out>, argv=<optimised out>) at vdr.c:1130
(gdb)