panic: uao_find_swhash_elt: can't allocate entry Stopped at db_enter+0x25: addq $0x8,%rsp TID PID UID PRFLAGS PFLAGS CPU COMMAND * 39854 55690 0 0x14000 0x200 1K pagedaemon db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438 panic(ffffffff8332cd42) at panic+0x1e5 sys/kern/subr_prf.c:198 uao_set_swslot(fffffd8060266518,a75a0,126f) at uao_set_swslot+0x443 uvmpd_scan_inactive(0,5235) at uvmpd_scan_inactive+0x1035 sys/uvm/uvm_pdaemon.c:728 uvmpd_scan(0,5235,8d5) at uvmpd_scan+0x87 sys/uvm/uvm_pdaemon.c:925 uvm_pageout(ffff8000fffffc88) at uvm_pageout+0x4fc sys/uvm/uvm_pdaemon.c:305 end trace frame: 0x0, count: 9 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs.