.
Thread 6 (Thread 0x7fb005efd5c0 (LWP 28882)):
#0  0x00007fb000277cf6 in __GI_ppoll (fds=0x5642153cdaf0, nfds=15, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:39
        resultvar = 18446744073709551102
        sc_cancel_oldtype = 0
        tval = {tv_sec = 0, tv_nsec = 28739333}
#1  0x00005642139b5129 in qemu_poll_ns ()
#2  0x00005642139b5e73 in main_loop_wait ()
#3  0x00005642135db076 in main ()
.
Thread 5 (Thread 0x7faff71dd700 (LWP 28886)):
#0  0x00007fb0005648c2 in futex_abstimed_wait_cancelable (private=0, abstime=0x7faff71dc900, expected=0, futex_word=0x564214db9c28) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
        __ret = 0
        oldtype = 0
        err = <optimized out>
        err = <optimized out>
#1  0x00007fb0005648c2 in do_futex_wait (sem=sem@entry=0x564214db9c28, abstime=abstime@entry=0x7faff71dc900) at sem_waitcommon.c:111
        err = <optimized out>
#2  0x00007fb0005649d3 in __new_sem_wait_slow (sem=0x564214db9c28, abstime=0x7faff71dc900) at sem_waitcommon.c:181
        _buffer = {__routine = 0x7fb000564870 <__sem_wait_cleanup>, __arg = 0x564214db9c28, __canceltype = -400686144, __prev = 0x0}
        err = <optimized out>
        d = 0
#3  0x00005642139b94df in qemu_sem_timedwait ()
#4  0x00005642139b46cc in  ()
#5  0x00007fb00055b6db in start_thread (arg=0x7faff71dd700) at pthread_create.c:463
        pd = 0x7faff71dd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140393741932288, -1121705345025482181, 140393741929024, 0, 94841817766832, 140726657507040, 1094665895686005307, 1085057748201988667}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#6  0x00007fb00028488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 4 (Thread 0x7faff61db700 (LWP 28888)):
#0  0x00007fb0002795d7 in ioctl () at ../sysdeps/unix/syscall-template.S:78
#1  0x0000564213633067 in kvm_vcpu_ioctl ()
#2  0x00005642136331a4 in kvm_cpu_exec ()
#3  0x000056421360fff4 in  ()
#4  0x00007fb00055b6db in start_thread (arg=0x7faff61db700) at pthread_create.c:463
        pd = 0x7faff61db700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140393725146880, -1121705345025482181, 140393725143616, 0, 94841818152768, 140726657508208, 1094668097930486331, 1085057748201988667}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#5  0x00007fb00028488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 3 (Thread 0x7faff79de700 (LWP 28883)):
#0  0x00007fb00027e839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00005642139b971b in qemu_event_wait ()
#2  0x00005642139c9c3e in  ()
#3  0x00007fb00055b6db in start_thread (arg=0x7faff79de700) at pthread_create.c:463
        pd = 0x7faff79de700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140393750324992, -1121705345025482181, 140393750321728, 0, 0, 140726657509664, 1094666995734503995, 1085057748201988667}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#4  0x00007fb00028488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
.
Thread 2 (Thread 0x7faff69dc700 (LWP 28887)):
#0  0x00007fb000564ab4 in futex_wake (private=0, processes_to_wake=1, futex_word=0x564214db9c28) at ../sysdeps/unix/sysv/linux/futex-internal.h:231
        __ret = 1
        res = <optimized out>
        isem = 0x564214db9c28
        private = 0
        d = <optimized out>
#1  0x00007fb000564ab4 in __new_sem_post (sem=0x564214db9c28) at sem_post.c:57
        isem = 0x564214db9c28
        private = 0
        d = <optimized out>
#2  0x00005642139b939f in qemu_sem_post ()
#3  0x00005642139b4a39 in thread_pool_submit_aio ()
#4  0x00005642139b4b33 in thread_pool_submit_co ()
#5  0x0000564213939660 in  ()
#6  0x000056421393ed76 in  ()
#7  0x0000564213942809 in  ()
#8  0x0000564213942b18 in bdrv_co_preadv ()
#9  0x000056421393ed76 in  ()
#10 0x0000564213942809 in  ()
#11 0x0000564213942b18 in bdrv_co_preadv ()
#12 0x0000564213932469 in blk_co_preadv ()
#13 0x0000564213932576 in  ()
#14 0x00005642139cb1c6 in  ()
#15 0x00007fb0001bb6b0 in __start_context () at /lib/x86_64-linux-gnu/libc.so.6
#16 0x00007faff61d9cb0 in  ()
#17 0x0000000000000000 in  ()
.
Thread 1 (Thread 0x7fafbf9ff700 (LWP 28889)):
#0  0x00007fb0001a1e97 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {18446744067266837079, 8, 8, 8, 3, 140393907239692, 140393907549151, 140393907899634, 18446744073709551615, 140393907548945, 140392683174112, 0, 94841829600144, 17964741694404280832, 8, 0}}
        pid = <optimized out>
        tid = <optimized out>
#1  0x00007fb0001a3801 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x90, sa_sigaction = 0x90}, sa_mask = {__val = {140392683350576, 140392683012128, 0, 2, 128, 140392683017216, 17964741694404280832, 0, 39, 140392683017216, 140393907333940, 140392683017216, 0, 140392683017216, 0, 140392810932076}}, sa_flags = 16379378, sa_restorer = 0x8}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fb0014b9cc9 in  () at /usr/lib/x86_64-linux-gnu/libspice-server.so.1
#3  0x00007fb00146f516 in  () at /usr/lib/x86_64-linux-gnu/libspice-server.so.1
#4  0x00007fb00149b7ae in  () at /usr/lib/x86_64-linux-gnu/libspice-server.so.1
#5  0x00007fb0014694f1 in  () at /usr/lib/x86_64-linux-gnu/libspice-server.so.1
#6  0x00007fb00146fd7b in  () at /usr/lib/x86_64-linux-gnu/libspice-server.so.1
#7  0x00007fb000f7cf85 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8  0x00007fb000f7d350 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007fb000f7d662 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007fb00149bb3a in  () at /usr/lib/x86_64-linux-gnu/libspice-server.so.1
#11 0x00007fb00055b6db in start_thread (arg=0x7fafbf9ff700) at pthread_create.c:463
        pd = 0x7fafbf9ff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140392810936064, -1121705345025482181, 140392810932800, 0, 94841829649376, 140726657507888, 1094825308765905467, 1085057748201988667}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
#12 0x00007fb00028488f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95