Multithreaded programs don't work (reliably) in x86 user emulation mode. This is a known (longstanding) bug. ARM hosts are also currently known to have problems (as stated in the qemu 1.0 release notes).
Multithreaded programs don't work (reliably) in x86 user emulation mode. This is a known (longstanding) bug.
ARM hosts are also currently known to have problems (as stated in the qemu 1.0 release notes).