panic: a thread waited too long to allocate a page
cpuid = 1
time = 63
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe008e43a230
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe008e43a390
vpanic() at vpanic+0x257/frame 0xfffffe008e43a550
panic() at panic+0xb5/frame 0xfffffe008e43a620
vm_pageout_oom() at vm_pageout_oom+0xce4/frame 0xfffffe008e43a6b0
vm_fault_allocate() at vm_fault_allocate+0xe41/frame 0xfffffe008e43a830
vm_fault() at vm_fault+0xd30/frame 0xfffffe008e43abc0
serialport: VM disconnected.