On 25 April 2017 at 16:05, Peter Maydell <peter.mayd...@linaro.org> wrote: > info jit > qemu: qemu_mutex_lock: Invalid argument
Repro without the qtest machinery: $ lldb -- ./aarch64-softmmu/qemu-system-aarch64 -M n810 -s -S -monitor stdio -machine accel=qtest then run and type 'info jit' at the monitor prompt. Backtrace: * thread #1: tid = 0x66a715, 0x00007fffd1931d42 libsystem_kernel.dylib`__pthread_kill + 10, queue = 'com.apple.main-thread', stop reason = signal SIGABRT * frame #0: 0x00007fffd1931d42 libsystem_kernel.dylib`__pthread_kill + 10 frame #1: 0x00007fffd1a1f5bf libsystem_pthread.dylib`pthread_kill + 90 frame #2: 0x00007fffd1897420 libsystem_c.dylib`abort + 129 frame #3: 0x000000010041bd05 qemu-system-aarch64`error_exit(err=<unavailable>, msg=<unavailable>) + 53 at qemu-thread-posix.c:35 frame #4: 0x000000010041bd4d qemu-system-aarch64`qemu_mutex_lock(mutex=<unavailable>) + 29 at qemu-thread-posix.c:62 frame #5: 0x0000000100010c7c qemu-system-aarch64`dump_exec_info [inlined] tb_lock + 12 at translate-all.c:167 frame #6: 0x0000000100010c70 qemu-system-aarch64`dump_exec_info(f=0x00000001020b6a10, cpu_fprintf=(qemu-system-aarch64`monitor_fprintf at monitor.c:376)) + 48 at translate-all.c:1869 frame #7: 0x0000000100048ec9 qemu-system-aarch64`hmp_info_jit(mon=0x00000001020b6a10, qdict=<unavailable>) + 25 at monitor.c:1089 frame #8: 0x0000000100043ae5 qemu-system-aarch64`handle_hmp_command(mon=0x00000001020b6a10, cmdline=<unavailable>) + 3589 at monitor.c:3104 frame #9: 0x000000010004262e qemu-system-aarch64`monitor_command_cb(opaque=0x00000001020b6a10, cmdline=<unavailable>, readline_opaque=<unavailable>) + 30 at monitor.c:3902 frame #10: 0x000000010042d355 qemu-system-aarch64`readline_handle_byte(rs=0x00000001028f4400, ch=<unavailable>) + 3285 at readline.c:393 frame #11: 0x0000000100046adc qemu-system-aarch64`monitor_read(opaque=<unavailable>, buf="\n", size=1) + 60 at monitor.c:3885 frame #12: 0x00000001003c3cd3 qemu-system-aarch64`fd_chr_read(chan=<unavailable>, cond=<unavailable>, opaque=<unavailable>) + 179 at char-fd.c:66 frame #13: 0x00000001010b60bd libglib-2.0.0.dylib`g_main_context_dispatch + 460 frame #14: 0x00000001004193a1 qemu-system-aarch64`main_loop_wait [inlined] glib_pollfds_poll + 545 at main-loop.c:213 frame #15: 0x0000000100419364 qemu-system-aarch64`main_loop_wait [inlined] os_host_main_loop_wait(timeout=<unavailable>) + 67 at main-loop.c:261 frame #16: 0x0000000100419321 qemu-system-aarch64`main_loop_wait(nonblocking=<unavailable>) + 417 at main-loop.c:517 frame #17: 0x000000010019a74f qemu-system-aarch64`qemu_main [inlined] main_loop + 48 at vl.c:1898 frame #18: 0x000000010019a71f qemu-system-aarch64`qemu_main(argc=<unavailable>, argv=<unavailable>, envp=<unavailable>) + 18623 at vl.c:4709 frame #19: 0x000000010033d4ce qemu-system-aarch64`-[QemuCocoaAppController startEmulationWithArgc:argv:](self=<unavailable>, _cmd=<unavailable>, argc=<unavailable>, argv=<unavailable>) + 30 at cocoa.m:978 frame #20: 0x00007fffbbb0252c CoreFoundation`__CFNOTIFICATIONCENTER_IS_CALLING_OUT_TO_AN_OBSERVER__ + 12 frame #21: 0x00007fffbbb0242b CoreFoundation`_CFXRegistrationPost + 427 frame #22: 0x00007fffbbb02192 CoreFoundation`___CFXNotificationPost_block_invoke + 50 frame #23: 0x00007fffbbac0772 CoreFoundation`-[_CFXNotificationRegistrar find:object:observer:enumerator:] + 2018 frame #24: 0x00007fffbbabf75b CoreFoundation`_CFXNotificationPost + 667 frame #25: 0x00007fffbd500997 Foundation`-[NSNotificationCenter postNotificationName:object:userInfo:] + 66 frame #26: 0x00007fffb9729b1f AppKit`-[NSApplication _postDidFinishNotification] + 297 frame #27: 0x00007fffb9729884 AppKit`-[NSApplication _sendFinishLaunchingNotification] + 208 frame #28: 0x00007fffb95ecbe9 AppKit`-[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:] + 552 frame #29: 0x00007fffb95ec83b AppKit`-[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] + 661 frame #30: 0x00007fffbd54be1d Foundation`-[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] + 290 frame #31: 0x00007fffbd54bc97 Foundation`_NSAppleEventManagerGenericHandler + 102 frame #32: 0x00007fffbc950f26 AE`aeDispatchAppleEvent(AEDesc const*, AEDesc*, unsigned int, unsigned char*) + 544 frame #33: 0x00007fffbc950c9d AE`dispatchEventAndSendReply(AEDesc const*, AEDesc*) + 39 frame #34: 0x00007fffbc950ba9 AE`aeProcessAppleEvent + 312 frame #35: 0x00007fffbb05dddf HIToolbox`AEProcessAppleEvent + 55 frame #36: 0x00007fffb95e80ed AppKit`_DPSNextEvent + 1833 frame #37: 0x00007fffb9d6385e AppKit`-[NSApplication(NSEvent) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 2796 frame #38: 0x00007fffb95dc7ab AppKit`-[NSApplication run] + 926 frame #39: 0x000000010033ee44 qemu-system-aarch64`main(argc=<unavailable>, argv=<unavailable>) + 2212 at cocoa.m:1368 frame #40: 0x00007fffd1803235 libdyld.dylib`start + 1 frame #41: 0x00007fffd1803235 libdyld.dylib`start + 1 I don't think it makes a great deal of sense to be able to call into the TCG dump_exec_info() statistics routine if we never initialized the TCG accelerator (because we're using -accel=qtest). Not sure it makes much sense if -accel=kvm, for that matter... thanks -- PMM