Crash when resuming

[J0nnyMak0]

Ran into this crash when resuming after disconnecting external displays. I run into similar crashes with this modality of operation, but am rarely able to capture useful traces. Hope this has more info...

gdb.txt

#0  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
        tid = <optimized out>
        ret = 0
        pd = <optimized out>
        old_mask = {__val = {140733457644880}}
        ret = <optimized out>
#1  0x000075ff28f363a3 in __pthread_kill_internal (threadid=<optimized out>, signo=6) at pthread_kill.c:78
#2  0x000075ff28edd120 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
        ret = <optimized out>
#3  0x000075ff28ec44c3 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x20, sa_sigaction = 0x20}, sa_mask = {__val = {129738763758438, 103907985171200, 103907985171200, 48, 7, 0, 4, 538976288, 0, 2314885530818453536, 18446744073709551064, 0, 103907985171184, 140733457645104, 129738764211470, 129738765534432}}, sa_flags = 599823616, sa_restorer = 0x7fff0fc03e30}
#4  0x000075ff28ec43df in __assert_fail_base (fmt=0x75ff29054c20 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x75ff298f7b68 "wl_list_empty(&output->events.bind.listener_list)", file=file@entry=0x75ff298f78d8 "types/output/output.c", line=line@entry=389, function=function@entry=0x75ff298f8180 <__PRETTY_FUNCTION__.3> "wlr_output_finish") at assert.c:96
        str = 0x5e80f68ba300 "Jٺ\036\205^"
        total = 4096