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Date: Wed, 15 Mar 2017 00:44:38 +0100
From: Bernd Walter <ticso@cicely7.cicely.de>
To: Mark Millard <markmi@dsl-only.net>
Cc: Andrew Turner <andrew@fubar.geek.nz>,
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Subject: Re: arm64 fork/swap data corruptions: A ~110 line C program
 demonstrating an example (Pine64+ 2GB context) [Corrected subject: arm64!]
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On Tue, Mar 14, 2017 at 03:28:53PM -0700, Mark Millard wrote:
> [test_check() between the fork and the wait/sleep prevents the
> failure from occurring. Even a small access to the memory at
> that stage prevents the failure. Details follow.]

Maybe a stupid question, since you might have written it somewhere.
What medium do you swap to?
I've seen broken firmware on microSD cards doing silent data
corruption for some access patterns.

-- 
B.Walter <bernd@bwct.de> http://www.bwct.de
Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.