On 6 May 2015 at 17:40, Programmingkid <programmingk...@gmail.com> wrote: > (gdb) bt > #0 0x00007fff824e2db6 in semaphore_wait_trap () > #1 0x00007fff824e8417 in pthread_mutex_lock () > #2 0x0000000100267199 in qemu_mutex_lock (mutex=<value temporarily > unavailable, due to optimizations>) at util/qemu-thread-posix.c:73 > #3 0x003c44016e95153b in ?? () > > My host is Mac OS 10.6.8. My guest isn't really anything. I have used Windows > XP before but it isn't necessary to reproduce the problem. > > The ?? is what appears to be the problem. I can't even print instructions at > that address. Any ideas as to what is calling the qemu_mutex_lock() function > could help.
Recompile with optimization disabled and try again. It would also be helpful to provide the backtraces for all threads. thanks -- PMM
