Unfortunately the gthreads backend is pretty strongly disrecommended -- it is really mostly there as a debug convenience when working with the block code, as there are some bad interactions between signal masking and coroutine switches that mean it's likely to cause problems when using QEMU proper.
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1299858 Title: qemu all apps crash on OS X 10.6.8 Status in QEMU: New Bug description: qemu-2.0.0-rc0 (and 1.7.1) crashes with SIGABORT in all apps when configured with --with-coroutine=sigaltstack (which is what configure selects by default) but all run fine if configured with --with- coroutine=gthread. Crash is at line 253 (last line of Coroutine *qemu_coroutine_new(void)) in coroutine-sigaltstack.c in 2.0.0-rc0 tarball. Platform is OS X 10.6.8 (Darwin Kernel Version 10.8.0), compiler gcc 4.2.1 Sorry for the sparse report but I'm short on time today. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1299858/+subscriptions