# virsh reboot vm2; virsh -c 'qemu:///system' migrate --live  --verbose --domain vm2 --desturi qemu+ssh://test.com/system --persistent 
Domain 'vm2' is being rebootedMigration: [61.74 %]^Cerror: operation aborted: job 'migration out' canceled by client

 # coredumpctl list
TIME                          PID UID GID SIG     COREFILE EXE                     SIZE
Tue 2024-12-03 01:12:15 EST 48647 107 107 SIGABRT present  /usr/libexec/qemu-kvm   1.0M

Core was generated by `/usr/libexec/qemu-kvm -name guest=vm2,debug-threads=on -S -object {"qom-type":"'.
Program terminated with signal SIGABRT, Aborted.
#0  __pthread_kill_implementation (threadid=281473211392032, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
44          return INTERNAL_SYSCALL_ERROR_P (ret) ? INTERNAL_SYSCALL_ERRNO (ret) : 0;
[Current thread is 1 (Thread 0xffff96c76020 (LWP 47801))]
(gdb) t a a btThread 7 (Thread 0xffff8cdfe900 (LWP 47823)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0xaaaae1180508) at futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0xaaaae1180508) at futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0xaaaae1180508, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x0000ffff95b11c50 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0xaaaae1180518, cond=0xaaaae11804e0) at pthread_cond_wait.c:504
#4  ___pthread_cond_wait (cond=0xaaaae11804e0, mutex=0xaaaae1180518) at pthread_cond_wait.c:619
#5  0x0000aaaacb662e20 in qemu_cond_wait_impl (cond=0xaaaae1180508, mutex=0xaaaae1180518, file=0xaaaacb6a5b6c "../ui/vnc-jobs.c", line=248) at ../util/qemu-thread-posix.c:225
#6  0x0000aaaacb040a98 in vnc_worker_thread_loop (queue=0xaaaae11804e0) at ../ui/vnc-jobs.c:248
#7  vnc_worker_thread (arg=arg@entry=0xaaaae11804e0) at ../ui/vnc-jobs.c:362
#8  0x0000aaaacb6639e8 in qemu_thread_start (args=0xaaaae1180580) at ../util/qemu-thread-posix.c:541
#9  0x0000ffff95b12918 in start_thread (arg=0x80e140) at pthread_create.c:443
#10 0x0000ffff95b7cf1c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:79Thread 6 (Thread 0xffff949fe900 (LWP 47817)):
#0  syscall () at ../sysdeps/unix/sysv/linux/aarch64/syscall.S:38
#1  0x0000aaaacb663780 in qemu_futex_wait (f=<optimized out>, val=<optimized out>) at /usr/src/debug/qemu-kvm-9.1.0-5.el9.aarch64/include/qemu/futex.h:29
#2  qemu_event_wait (ev=ev@entry=0xaaaacc4881cc <rcu_call_ready_event>) at ../util/qemu-thread-posix.c:464
#3  0x0000aaaacb66ff2c in call_rcu_thread (opaque=<optimized out>) at ../util/rcu.c:278
#4  0x0000aaaacb6639e8 in qemu_thread_start (args=0xaaaae0a092e0) at ../util/qemu-thread-posix.c:541
#5  0x0000ffff95b12918 in start_thread (arg=0x80e140) at pthread_create.c:443
#6  0x0000ffff95b7cf1c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:79Thread 5 (Thread 0xffff8fefd900 (LWP 47818)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0xffff8fefcf38, op=393, expected=0, futex_word=0xaaaae0a57658) at futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0xffff8fefcf38, clockid=0, expected=0, futex_word=0xaaaae0a57658) at futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0xaaaae0a57658, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0xffff8fefcf38, private=private@entry=0) at futex-internal.c:139
#3  0x0000ffff95b11f60 in __pthread_cond_wait_common (abstime=0xffff8fefcf38, clockid=0, mutex=0xaaaae0a575c0, cond=0xaaaae0a57630) at pthread_con--Type <RET> for more, q to quit, c to continue without paging--
d_wait.c:504
#4  ___pthread_cond_timedwait64 (cond=0xaaaae0a57630, mutex=0xaaaae0a575c0, abstime=0xffff8fefcf38) at pthread_cond_wait.c:644
#5  0x0000aaaacb663038 in qemu_cond_timedwait_ts (cond=0xaaaae0a57658, cond@entry=0xaaaae0a57630, mutex=mutex@entry=0xaaaae0a575c0, ts=0x0, ts@entry=0xffff8fefcf38, file=file@entry=0xaaaacb7566b2 "../util/thread-pool.c", line=line@entry=91) at ../util/qemu-thread-posix.c:239
#6  0x0000aaaacb662f90 in qemu_cond_timedwait_impl (cond=0xaaaae0a57630, mutex=0xaaaae0a575c0, ms=10000, file=0xaaaacb7566b2 "../util/thread-pool.c", line=91) at ../util/qemu-thread-posix.c:253
#7  0x0000aaaacb67ced8 in worker_thread (opaque=opaque@entry=0xaaaae0a575b0) at ../util/thread-pool.c:91
#8  0x0000aaaacb6639e8 in qemu_thread_start (args=0xaaaae0b4d6b0) at ../util/qemu-thread-posix.c:541
#9  0x0000ffff95b12918 in start_thread (arg=0x80e140) at pthread_create.c:443
#10 0x0000ffff95b7cf1c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:79Thread 4 (Thread 0xffff8e408900 (LWP 47822)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0xaaaae0c147cc) at futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0xaaaae0c147cc) at futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0xaaaae0c147cc, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x0000ffff95b11c50 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0xaaaacc45bf40 <bql>, cond=0xaaaae0c147a0) at pthread_cond_wait.c:504
#4  ___pthread_cond_wait (cond=0xaaaae0c147a0, mutex=0xaaaacc45bf40 <bql>) at pthread_cond_wait.c:619
#5  0x0000aaaacb662e20 in qemu_cond_wait_impl (cond=0xaaaae0c147cc, mutex=0xaaaacc45bf40 <bql>, file=0xaaaacb6c2155 "../system/cpus.c", line=462) at ../util/qemu-thread-posix.c:225
#6  0x0000aaaacb100570 in qemu_wait_io_event (cpu=cpu@entry=0xaaaae0c1f3c0) at ../system/cpus.c:462
#7  0x0000aaaacb4b51f0 in kvm_vcpu_thread_fn (arg=arg@entry=0xaaaae0c1f3c0) at ../accel/kvm/kvm-accel-ops.c:55
#8  0x0000aaaacb6639e8 in qemu_thread_start (args=0xaaaae0c378b0) at ../util/qemu-thread-posix.c:541
#9  0x0000ffff95b12918 in start_thread (arg=0x80e140) at pthread_create.c:443
#10 0x0000ffff95b7cf1c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:79Thread 3 (Thread 0xffff8ec18900 (LWP 47821)):
#0  __futex_abstimed_wait_common64 (private=0, cancel=true, abstime=0x0, op=393, expected=0, futex_word=0xaaaae0a41ddc) at futex-internal.c:57
#1  __futex_abstimed_wait_common (cancel=true, private=0, abstime=0x0, clockid=0, expected=0, futex_word=0xaaaae0a41ddc) at futex-internal.c:87
#2  __GI___futex_abstimed_wait_cancelable64 (futex_word=futex_word@entry=0xaaaae0a41ddc, expected=expected@entry=0, clockid=clockid@entry=0, abstime=abstime@entry=0x0, private=private@entry=0) at futex-internal.c:139
#3  0x0000ffff95b11c50 in __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0xaaaacc45bf40 <bql>, cond=0xaaaae0a41db0) at pthread_cond_wait.c:504
#4  ___pthread_cond_wait (cond=0xaaaae0a41db0, mutex=0xaaaacc45bf40 <bql>) at pthread_cond_wait.c:619
--Type <RET> for more, q to quit, c to continue without paging--
#5  0x0000aaaacb662e20 in qemu_cond_wait_impl (cond=0xaaaae0a41ddc, mutex=0xaaaacc45bf40 <bql>, file=0xaaaacb6c2155 "../system/cpus.c", line=462) at ../util/qemu-thread-posix.c:225
#6  0x0000aaaacb100570 in qemu_wait_io_event (cpu=cpu@entry=0xaaaae0bcac20) at ../system/cpus.c:462
#7  0x0000aaaacb4b51f0 in kvm_vcpu_thread_fn (arg=arg@entry=0xaaaae0bcac20) at ../accel/kvm/kvm-accel-ops.c:55
#8  0x0000aaaacb6639e8 in qemu_thread_start (args=0xaaaae0be42c0) at ../util/qemu-thread-posix.c:541
#9  0x0000ffff95b12918 in start_thread (arg=0x80e140) at pthread_create.c:443
#10 0x0000ffff95b7cf1c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:79Thread 2 (Thread 0xffff8f529900 (LWP 47820)):
#0  0x0000ffff95b72ca0 in __GI___poll (fds=0xfffe800035d0, nfds=3, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:41
#1  0x0000ffff95f65f20 in g_main_context_poll (priority=<optimized out>, n_fds=3, fds=0xfffe800035d0, timeout=<optimized out>, context=0xaaaae0b7d390) at ../glib/gmain.c:4458
#2  g_main_context_iterate.constprop.0 (context=0xaaaae0b7d390, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib/gmain.c:4150
#3  0x0000ffff95f0f71c in g_main_loop_run (loop=0xaaaae0a61660) at ../glib/gmain.c:4353
#4  0x0000aaaacb52a298 in iothread_run (opaque=opaque@entry=0xaaaae0a3ca00) at ../iothread.c:70
#5  0x0000aaaacb6639e8 in qemu_thread_start (args=0xaaaae0b7d450) at ../util/qemu-thread-posix.c:541
#6  0x0000ffff95b12918 in start_thread (arg=0x80e140) at pthread_create.c:443
#7  0x0000ffff95b7cf1c in thread_start () at ../sysdeps/unix/sysv/linux/aarch64/clone.S:79
Thread 1 (Thread 0xffff96c76020 (LWP 47801)):
#0  __pthread_kill_implementation (threadid=281473211392032, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#1  0x0000ffff95b145b4 in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
#2  0x0000ffff95acc6bc in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#3  0x0000ffff95ab8fb4 in __GI_abort () at abort.c:79
#4  0x0000ffff95ac6010 in __assert_fail_base (fmt=0xffff95be41d8 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0xaaaacb75350e "mutex->initialized", file=file@entry=0xaaaacb753521 "../util/qemu-thread-posix.c", line=line@entry=92, function=function@entry=0xaaaacb753575 "void qemu_mutex_lock_impl(QemuMutex *, const char *, const int)") at assert.c:92
#5  0x0000ffff95ac6080 in __assert_fail (assertion=0xaaaacb75350e "mutex->initialized", file=0xaaaacb753521 "../util/qemu-thread-posix.c", line=line@entry=92, function=0xaaaacb753575 "void qemu_mutex_lock_impl(QemuMutex *, const char *, const int)") at assert.c:101
#6  0x0000aaaacb6627cc in qemu_mutex_lock_impl (mutex=<optimized out>, file=<optimized out>, line=<optimized out>) at ../util/qemu-thread-posix.c:92
#7  0x0000aaaacb128a4c in qemu_lockable_mutex_lock (x=<optimized out>) at /usr/src/debug/qemu-kvm-9.1.0-5.el9.aarch64/include/qemu/lockable.h:56
#8  qemu_lockable_lock (x=<optimized out>) at /usr/src/debug/qemu-kvm-9.1.0-5.el9.aarch64/include/qemu/lockable.h:110
#9  qemu_lockable_auto_lock (x=<optimized out>) at /usr/src/debug/qemu-kvm-9.1.0-5.el9.aarch64/include/qemu/lockable.h:120
--Type <RET> for more, q to quit, c to continue without paging--
#10 migrate_set_error (s=s@entry=0xaaaae0a3acf0, error=0xaaaae14bd250) at ../migration/migration.c:1461
#11 0x0000aaaacb12975c in process_incoming_migration_co (opaque=<optimized out>) at ../migration/migration.c:836
#12 0x0000aaaacb67c2cc in coroutine_trampoline (i0=<optimized out>, i1=<optimized out>) at ../util/coroutine-ucontext.c:175
#13 0x0000ffff95adb840 in ?? () at ../sysdeps/unix/sysv/linux/aarch64/setcontext.S:123 from /lib64/libc.so.6
Backtrace stopped: not enough registers or memory available to unwind further
 

# virsh reboot vm2; virsh -c 'qemu:///system' migrate --live  --verbose --domain vm2 --desturi qemu+ssh://test.com/system --persistent