panic: out of swap space
cpuid = 1
time = 580
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x47/frame 0xfffffe0051716730
vpanic() at vpanic+0x1cc/frame 0xfffffe0051716790
panic() at panic+0x43/frame 0xfffffe00517167f0
vm_pageout_oom() at vm_pageout_oom+0xac8/frame 0xfffffe0051716870
vm_pageout_worker() at vm_pageout_worker+0xb2e/frame 0xfffffe0051716b60
vm_pageout() at vm_pageout+0x29b/frame 0xfffffe0051716bb0
fork_exit() at fork_exit+0xb3/frame 0xfffffe0051716bf0
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0051716bf0
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 19 tid 100079 ]
Stopped at      kdb_enter+0x67: movq    $0,0x16409ae(%rip)
db> serialport: VM disconnected.