I changed the graphical theme from human (the default) to cleanice, using swith2. It seemed to make aMule more stable. However, it have just crashed, although reporting a different backtrace. Here it is.
** Attachment added: "After changing gnome theme to cleanice" http://librarian.launchpad.net/6385730/amule_crash.txt -- aMule crashed suddenly https://launchpad.net/bugs/64671 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs