On May 6, 2015, at 5:31 PM, Peter Maydell wrote: > On 6 May 2015 at 22:19, Programmingkid <programmingk...@gmail.com> wrote: >> >> On May 6, 2015, at 5:10 PM, Peter Maydell wrote: >>>> Thread 8 (process 29237): >>>> #0 tb_jmp_cache_hash_func (pc=1) at exec/exec-all.h:208 >>>> #1 0x000000010000c9d7 in tb_find_slow (env=0x103846620, pc=133133655, >>>> cs_base=133118944, flags=244) at >>>> /Users/user/Documents/Development/Projects/Qemu/qemu-git/cpu-exec.c:309 >>>> #2 0x000000010000cae3 in tb_find_fast (env=0x103846620) at >>>> /Users/user/Documents/Development/Projects/Qemu/qemu-git/cpu-exec.c:327 >>>> #3 0x000000010000cf66 in cpu_x86_exec (env=0x103846620) at >>>> /Users/user/Documents/Development/Projects/Qemu/qemu-git/cpu-exec.c:485 >>>> #4 0x000000010003978b in tcg_cpu_exec (env=0x103846620) at >>>> /Users/user/Documents/Development/Projects/Qemu/qemu-git/cpus.c:1354 >>>> #5 0x0000000100039878 in tcg_exec_all () at >>>> /Users/user/Documents/Development/Projects/Qemu/qemu-git/cpus.c:1387 >>>> #6 0x0000000100038dec in qemu_tcg_cpu_thread_fn (arg=0x10383e400) at >>>> /Users/user/Documents/Development/Projects/Qemu/qemu-git/cpus.c:1032 >>>> #7 0x00007fff8251bfd6 in _pthread_start () >>>> #8 0x00007fff8251be89 in thread_start () >>> >>> This backtrace says QEMU hasn't hung -- it is still executing >>> guest code (though possibly the guest has crashed or gone off >>> into the weeds, of course). >> >> If it were still executing guest code, then accessing the monitor >> would still work. > > Well, that backtrace says we're executing code. We're not stuck > waiting for a lock, we're in the middle of the execution loop > (looking for a TB for PC=0x7ef7557). Your command line hasn't > redirected the monitor to the terminal or to a TCP port, so > possibly it's just that the GUI has got wedged? Try with > '-monitor stdio' and see if that's responsive. Tried this, still froze.
> I just tried on OSX and for me there's no hang -- the BIOS > boots normally, fails to find a valid image on the cdrom > and drops into attempting to network-boot, same behaviour > with or without -soundhw pcspk. (I build with coreaudio.) > > -- PMM I did what you did "qemu-system-i386 -soundhw pcspk" and QEMU froze on me with this as the last thing printed on the screen: "Press Ctrl-B for the iPXE command line...". What version of Mac OS X are you trying QEMU on?