this is vdr-1.3.22, no patches, no plugins. Sometimes when I kill it, it segfaults in different places but always while clearing some cList. After putting in a dsyslog into ~cListBase, I could no longer reproduce it. Any ideas? To me this smells like a threading bug. (gdb) bt #0 0xb7dbd4a1 in malloc_consolidate () from /lib/libc.so.6 #1 0xb7dbd36e in _int_free () from /lib/libc.so.6 #2 0xb7dbc09f in free () from /lib/libc.so.6 #3 0x080e6140 in ~cRecording (this=0x84b0e60) at recording.c:431 #4 0x081153fc in cListBase::Clear (this=0x81e1df8) at tools.c:997 #5 0x08114ffb in ~cListBase (this=0x81e1df8) at tools.c:920 #6 0x080e99a5 in ~cList (this=0x81e1df8) at svdrp.c:330 #7 0x080e987d in ~cRecordings (this=0x81e1df8) at svdrp.c:330 #8 0x080e943c in __tcf_0 () at recording.c:621 #9 0xb7d76ae2 in exit () from /lib/libc.so.6 #10 0xb7d60dce in __libc_start_main () from /lib/libc.so.6 #11 0x08086301 in _start () at ../sysdeps/i386/elf/start.S:102 (gdb) bt #0 0xb7dbd4a1 in malloc_consolidate () from /lib/libc.so.6 #1 0xb7dbd36e in _int_free () from /lib/libc.so.6 #2 0xb7dbc09f in free () from /lib/libc.so.6 #3 0xb7f39d23 in operator delete () from /usr/lib/libstdc++.so.5 #4 0x080df13c in ~cCaDescriptors (this=0x84c7068) at pat.c:199 #5 0x08115584 in cListBase::Clear (this=0x81e1fe0) at tools.c:997 #6 0x08115183 in ~cListBase (this=0x81e1fe0) at tools.c:920 #7 0x080df477 in ~cList (this=0x81e1fe0) at pat.c:222 #8 0x080df569 in ~cCaDescriptorHandler (this=0x81e1fe0) at pat.c:222 #9 0x080de84c in __tcf_0 () at pat.c:222 #10 0xb7d76ae2 in exit () from /lib/libc.so.6 #11 0xb7d60dce in __libc_start_main () from /lib/libc.so.6 #12 0x08086301 in _start () at ../sysdeps/i386/elf/start.S:102 valgrind output: ==17072== Process terminating with default action of signal 11 (SIGSEGV) ==17072== Access not within mapped region at address 0xFFFFFFFF ==17072== at 0x81C1209: typeinfo for cString (in /home/vdr/vdr-1.3.22/vdr) ==17072== by 0x810DCF5: cThread::StartThread(cThread*) (thread.c:227) ==17072== by 0x1D4E4D52: thread_wrapper (vg_libpthread.c:867) ==17072== by 0xB000F5DF: do__quit (vg_scheduler.c:1872) ==17072== -- Wolfgang