With this series applied:
$ qemu-system-x86_64 -S -display none -chardev id=chr-mon0,backend=stdio
-object monitor-hmp,id=mon0,chardev=chr-mon0 -chardev
id=chr-mon1,backend=socket,path=test-hmp,server=on,wait=off -object
monitor-qmp,id=mon1,chardev=chr-mon1
QEMU 11.0.90 monitor - type 'help' for more information
(qemu) q
**
ERROR:../iothread.c:99:iothread_unref: code should not be reached
Bail out! ERROR:../iothread.c:99:iothread_unref: code should not be reached
Aborted (core dumped) qemu-system-x86_64 -S -display
none -chardev id=chr-mon0,backend=stdio -object
monitor-hmp,id=mon0,chardev=chr-mon0 -chardev
id=chr-mon1,backend=socket,path=test-hmp,server=on,wait=off -object
monitor-qmp,id=mon1,chardev=chr-mon1
Stack backtrace:
#0 0x00007f182873832c in __pthread_kill_implementation () at
/lib64/libc.so.6
#1 0x00007f18286de15e in raise () at /lib64/libc.so.6
#2 0x00007f18286c56d0 in abort () at /lib64/libc.so.6
#3 0x00007f182ac53482 in g_assertion_message[cold] ()
at /lib64/libglib-2.0.so.0
#4 0x00007f182acc1447 in g_assertion_message_expr ()
at /lib64/libglib-2.0.so.0
#5 0x000055ffa06cb50e in iothread_unref
(iothread=0x55ffdb3bd740, holder=0x7ffc6152d8c0) at ../iothread.c:99
#6 0x000055ffa06cc13a in iothread_put_aio_context
(iothread=0x55ffdb3bd740, holder=0x7ffc6152d8c0) at ../iothread.c:444
#7 0x000055ffa07d9af6 in monitor_cleanup () at ../monitor/monitor.c:679
#8 0x000055ffa047ca8c in qemu_cleanup (status=0) at
../system/runstate.c:1046
#9 0x000055ffa07fccb7 in qemu_default_main (opaque=0x0) at
../system/main.c:51
#10 0x000055ffa07fcd64 in main (argc=12, argv=0x7ffc6152da98)
at ../system/main.c:93
