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STM32F030 Vector Table Relocation Problem

Question asked by dupont.michael on Jul 18, 2014
Latest reply on Sep 26, 2014 by Clive One
Have used sample code provided by forum-master, Clive, to relocate my application's vector table to 0x20000000 (base of RAM) in preparation for use with a bootloader.  I also referred to app note AN4065 and the associated sample code.

When I run the code with this relocation, my interrupts all act erratically (in particular, EXTIs appear to trigger from unrelated events).  Power-cycling the prototype results in inconsistent behaviour from one power-up to the next.

The sample code with AN4065 is extremely simple and my application is using a whole bunch of interrupts.

Exact code without vtable relocation executes flawlessly.  It's as though RAM is "lost."  What am I NOT doing that I should be doing?

Thanks for any insight.