Changing
<pre>if [ "${CRASHREPORTER:=-NO-}" = "-YES-" ]; then</pre>
to
<pre>if [ "${CRASHREPORTER:=-YES-}" = "-YES-" ]; then</pre>
in /System/Library/StartupItems/CrashReporter/CrashReporter will enable crashreporter, which records all crashes at /usr/libexec/CrashReporter.