This seems like an OS bug (kernel or Cocoa). The usage of the signal is common to all QEMU system emulation targets, so it's not dependent on Stellaris.
Try an older version of OS X, or try a different video backend (e.g. VNC). That may help isolating the problem.
This seems like an OS bug (kernel or Cocoa). The usage of the signal is common to all QEMU system emulation targets, so it's not dependent on Stellaris.
Try an older version of OS X, or try a different video backend (e.g. VNC). That may help isolating the problem.