Pressed space in Gnus on a long article with (presumably) either a MIME enclosed or UUencoded photograph in it. I think you've seen this one before. It's done it to me several times. Fatal error: assertion failed, file /usr/local/src/PKG/unstable/main/xemacs/xemacs-21.2/src/insdel.c, line 1117, BUFFER_LIVE_P (buf) Program received signal SIGABRT, Aborted. 0x403205d1 in kill () from /lib/libc.so.6 (gdb) where #0 0x403205d1 in kill () from /lib/libc.so.6 #1 0x403202b8 in raise () from /lib/libc.so.6 #2 0x40321911 in abort () from /lib/libc.so.6 #3 0x8086fea in assert_failed () at /usr/local/src/PKG/unstable/main/xemacs/xemacs-21.2/src/emacs.c:2825 #4 0x8115ffd in bufpos_to_bytind (buf=0x6, x=0) at /usr/local/src/PKG/unstable/main/xemacs/xemacs-21.2/src/insdel.c:1117 #5 0x8080db4 in Fgoto_char (position=0, buffer=136907124) at /usr/local/src/PKG/unstable/main/xemacs/xemacs-21.2/src/editfns.c:223 [...] Let me know if you want the rest of the stack dump, or whatever I can do to help. :) libXaw.so.6 => /usr/X11R6/lib/libXaw.so.6 (0x4001c000) libtiff.so.3 => /usr/lib/libtiff.so.3 (0x40054000) libpng.so.2 => /usr/lib/libpng.so.2 (0x40097000) libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0x400be000) libz.so.1 => /usr/lib/libz.so.1 (0x400de000) libcompface.so.1 => /usr/lib/libcompface.so.1 (0x400ed000) libXpm.so.4 => /usr/X11R6/lib/libXpm.so.4 (0x400f9000) libXmu.so.6 => /usr/X11R6/lib/libXmu.so.6 (0x40107000) libXt.so.6 => /usr/X11R6/lib/libXt.so.6 (0x40119000) libXext.so.6 => /usr/X11R6/lib/libXext.so.6 (0x40161000) libX11.so.6 => /usr/X11R6/lib/libX11.so.6 (0x4016d000) libSM.so.6 => /usr/X11R6/lib/libSM.so.6 (0x4020c000) libICE.so.6 => /usr/X11R6/lib/libICE.so.6 (0x40216000) libdl.so.2 => /lib/libdl.so.2 (0x4022c000) libdb.so.3 => /lib/libdb.so.3 (0x40230000) libgpm.so.1 => /usr/lib/libgpm.so.1 (0x4026b000) libncurses.so.4 => /lib/libncurses.so.4 (0x40271000) libesd.so.0 => /usr/lib/libesd.so.0 (0x402b0000) libaudiofile.so.0 => /usr/lib/libaudiofile.so.0 (0x402b8000) libm.so.6 => /lib/libm.so.6 (0x402cb000) libopenldap.so.1 => /usr/lib/libopenldap.so.1 (0x402e8000) liblber-openldap.so.1 => /usr/lib/liblber-openldap.so.1 (0x402fd000) libc.so.6 => /lib/libc.so.6 (0x40302000) /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x40000000)