From 2a826061df67f205636b953f58f8bede2a3f009c Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Fri, 20 May 2011 17:24:34 +0300
Subject: [PATCH] UBI: dump stack when switching to R/O mode

If we have debugging enabled and switching to R/O mode because of an error -
dump the stack to improve UBI error reporting and make the further diagnostics
easier to do.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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