Comment 8 for bug 1964777

Bad case (qemu_spice_display_start after qxl_send_events)

Thread 4 "SPICE Worker" hit Breakpoint 3, qxl_send_events (d=0x555557194210, events=16) at ../hw/display/qxl.c:1867
1867 uint32_t le_events = cpu_to_le32(events);
(gdb) bt
#0 qxl_send_events (d=0x555557194210, events=16) at ../hw/display/qxl.c:1867
#1 0x0000555555a9a5d5 in interface_set_client_capabilities (sin=0x555557194c08, client_present=0 '\000', caps=0x7fffcfbfe6d0 "") at ../hw/display/qxl.c:1019
#2 0x00007ffff7e09b29 in () at /lib/x86_64-linux-gnu/libspice-server.so.1
#3 0x00007ffff7e32b8f in () at /lib/x86_64-linux-gnu/libspice-server.so.1
#4 0x00007ffff7e0581a in () at /lib/x86_64-linux-gnu/libspice-server.so.1
#5 0x00007ffff7e05ea1 in () at /lib/x86_64-linux-gnu/libspice-server.so.1
#6 0x00007ffff7a65c24 in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7 0x00007ffff7aba6e8 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#8 0x00007ffff7a65293 in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9 0x00007ffff7e339b8 in () at /lib/x86_64-linux-gnu/libspice-server.so.1
#10 0x00007ffff768ab43 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#11 0x00007ffff771ca00 in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

Thread 1 "qemu-system-x86" hit Breakpoint 4, qemu_spice_display_start () at ../ui/spice-core.c:995
995 if (spice_display_is_running) {
(gdb) bt
#0 qemu_spice_display_start () at ../ui/spice-core.c:995
#1 0x0000555555a8b6b7 in qemu_spice_display_init_done () at ../ui/spice-core.c:635
#2 0x0000555555a8fe25 in qemu_spice_display_init () at ../ui/spice-display.c:1198
#3 0x0000555555b38646 in qemu_init_displays () at ../softmmu/vl.c:2635
#4 0x0000555555b3b1ad in qemu_init (argc=13, argv=0x7fffffffe2a8, envp=0x7fffffffe318) at ../softmmu/vl.c:3777
#5 0x000055555580bd81 in main (argc=13, argv=0x7fffffffe2a8, envp=0x7fffffffe318) at ../softmmu/main.c:49