panic: a thread waited too long to allocate a page
cpuid = 0
time = 154
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0080a1b310
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0080a1b470
vpanic() at vpanic+0x26a/frame 0xfffffe0080a1b630
panic() at panic+0xb5/frame 0xfffffe0080a1b700
vm_pageout_oom() at vm_pageout_oom+0xd0a/frame 0xfffffe0080a1b790
vm_fault_allocate() at vm_fault_allocate+0xe7f/frame 0xfffffe0080a1b8f0
vm_fault() at vm_fault+0xc33/frame 0xfffffe0080a1bbe0
vm_fault_trap() at vm_fault_trap+0xb7/frame 0xfffffe0080a1bc30
trap_pfault() at trap_pfault+0x500/frame 0xfffffe0080a1bd50
trap() at trap+0x116a/frame 0xfffffe0080a1bf30
calltrap() at calltrap+0x8/frame 0xfffffe0080a1bf30
--- trap 0xc, rip = 0x259999, rsp = 0x825f57f10, rbp = 0x825f57f80 ---
KDB: enter: panic
[ thread pid 11021 tid 104507 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x23cd2d7(%rip)
db> 
db> set $lines = 0
db> serialport: VM disconnected.