panic: uao_find_swhash_elt: can't allocate entry
Stopped at      db_enter+0x25:  addq    $0x8,%rsp
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
*505350  14216      0     0x14000      0x200    0K pagedaemon
db_enter() at db_enter+0x25 sys/arch/amd64/amd64/db_interface.c:438
panic(ffffffff8331e6a9) at panic+0x1e5 sys/kern/subr_prf.c:198
uao_set_swslot(fffffd8073830750,a8f00,31e2) at uao_set_swslot+0x443
uvmpd_scan_inactive(0,91b9) at uvmpd_scan_inactive+0xfe1 sys/uvm/uvm_pdaemon.c:728
uvmpd_scan(0,91b9,8d1) at uvmpd_scan+0x9f 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
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