This workaround turns out to cause some regressions in other cases, for example:
http://comments.gmane.org/gmane.comp.emulators.qemu/138180

which seems to be because when we use -R (either explicitly or
implicitly because of this patch) we tend to map the guest stack
immediately above the guest data/BSS segment. This means brk() will
always fail, which is bad news for guest binaries that rely on it.

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https://bugs.launchpad.net/bugs/906922

Title:
  qemu-arm-static chroots give copious memory errors when setting up
  java build dependencies

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