bug#20965: qemu non-deterministic test failures

The bug was tagged as fixed, but not closed; closing it now. Andreas

bug#20965: qemu non-deterministic test failures

I've seen at least two occurrences of a non-deterministic test failure in qemu for x86_64 on hydra. Both are essentially the same, except for the random seed. Here's the relevant log tail of the most recent one: --8<---cut here---start->8--- GTESTER check-qtes