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Valgrind build itself with -mpreferred-stack-boundary=2 on that target (and the tests expect that). On the other hand, we enable SSE instructions, which expect things to be aligned on 16 byte boundary (e.g. -mpreferred-stack-boundary=4). This won't be reported at compile time and results in crashes at runtime, e.g. vgdb simply does not work at all and crashes out immediately. I am not sure how to resolve that, or whether we even should, but the issue is reported here: https://bugs.kde.org/show_bug.cgi?id=462553 (From OE-Core rev: 9896fc1694c66d827383e385f1954d751b3e7c65) Signed-off-by: Alexander Kanavin <alex@linutronix.de> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>