[racket] SIGSEGV MAPERR si_code 1 fault on addr 0x7...; can't isolate or consistently reproduce in source code; stack trace points to scheme_uncopy_stack

From: Neil Van Dyke (neil at neilvandyke.org)
Date: Thu May 2 20:12:47 EDT 2013

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Perhaps only Matthew Flatt can solve this, but a few bits of info might 
help:

* Is this running on Amazon EC2?

* Have you disabled any stack randomization feature of the OS?

* Are you using any FFI or C extensions in the Racket process?

Neil V.

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