You can send an emergency dump to a file. Important information is probably at the top.
You could do what Hynek said above and configure the sasl error log handler for crash dumps: http://erlang.org/doc/man/sasl_app.html
By default, tty is used, which resets to your screen and is not very useful, as you mentioned. But you can specify that he should use sasl_report_file_h instead. Then the dump is written to a file for easier reading.
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