qemu-ppc-static assertion failure running second stage of debootstrap

Host: Ubuntu Precise amd64
Guest: Debian Testing powerpc

As debootstrap attempts to start the second stage for a powerpc guest, an assertion failure occurs.

I: Running command: chroot powerpc /debootstrap/debootstrap --second-stage
qemu-ppc-static: /build/buildd/qemu-linaro-1.0.50-2012.03/linux-user/signal.c:4338: setup_frame: Assertion `({ unsigned long __guest = (unsigned long)(ka->_sa_handler) - guest_base; (__guest < (1ul << 32)) && (!reserved_va || (__guest < reserved_va)); })' failed.
qemu: uncaught target signal 6 (Aborted) - core dumped
Aborted (core dumped)

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: qemu-user-static 1.0.50-2012.03-0ubuntu2.1
ProcVersionSignature: Ubuntu 3.8.0-33.48~precise1-generic 3.8.13.11
Uname: Linux 3.8.0-33-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Mon Nov 25 14:16:45 2013
Dependencies:

InstallationMedia: Ubuntu 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.1)
MarkForUpload: True
ProcEnviron:
 LANGUAGE=en_GB:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: qemu-linaro
UpgradeStatus: No upgrade log present (probably fresh install)