I seem to have obtained a modest back trace when ogg123 encountered a segmentation fault.
It is Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb79da6d0 (LWP 6358)] 0xb7d25aae in realloc () from /lib/i686/cmov/libc.so.6 (gdb) bt #0 0xb7d25aae in realloc () from /lib/i686/cmov/libc.so.6 #1 0xb7f17314 in ?? () from /usr/lib/libao.so.2 #2 0x00000003 in ?? () #3 0x0000b130 in ?? () #4 0x080571f8 in ?? () #5 0x09f718b0 in ?? () #6 0x080578a0 in ?? () #7 0x09f76c3c in ?? () #8 0xbfa7c988 in ?? () #9 0xb7f17355 in ao_play () from /usr/lib/libao.so.2 Backtrace stopped: frame did not save the PC /lib/i686/cmov/libc.so.6 is from version 2.7-18 of libc6-i686, and /usr/lib/libao.so.2 is from version 0.8.8-4 of libao2. For what it's worth, this bug seems to me to resemble the one reported at https://bugs.launchpad.net/ubuntu/+source/vorbis-tools/+bug/213180 Thanks, Kingsley -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org