[issue8863] Display Python backtrace on SIGSEGV, SIGFPE and fatal error

[Dave Malcolm]

Dave Malcolm <dmalcolm at redhat.com> added the comment:

> About SIGBUS: I don't know this signal. Is it used on Linux? If not, on 
> which OS is it used?
Yes, IIRC typically you'll only see it on RISC CPUs that require instructions to be word-aligned; you typically see it if the program counter jumps to a broken address; the SIGBUS happens when the CPU tries to fetch the code.

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<http://bugs.python.org/issue8863>
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