panic: tcp_do_segment: sent too much: 2424>1396
cpuid = 0
time = 10
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe005739ebb0
kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe005739ed10
vpanic() at vpanic+0x257/frame 0xfffffe005739eed0
panic() at panic+0xb5/frame 0xfffffe005739ef90
tcp_do_segment() at tcp_do_segment+0x8d53/frame 0xfffffe005739f270
tcp_input_with_port() at tcp_input_with_port+0x2214/frame 0xfffffe005739f530
tcp_input() at tcp_input+0x1f/frame 0xfffffe005739f550
ip_input() at ip_input+0xaa2/frame 0xfffffe005739f670
netisr_dispatch_src() at netisr_dispatch_src+0x219/frame 0xfffffe005739f750
ether_demux() at ether_demux+0x447/frame 0xfffffe005739f810
ether_nh_input() at ether_nh_input+0xb61/frame 0xfffffe005739f8f0
netisr_dispatch_src() at netisr_dispatch_src+0x219/frame 0xfffffe005739f9d0
ether_input() at ether_input+0x1db/frame 0xfffffe005739fab0
vtnet_rxq_eof() at vtnet_rxq_eof+0x16d2/frame 0xfffffe005739fcd0
vtnet_rx_vq_process() at vtnet_rx_vq_process+0x189/frame 0xfffffe005739fd90
ithread_loop() at ithread_loop+0x4ec/frame 0xfffffe005739fef0
fork_exit() at fork_exit+0xcc/frame 0xfffffe005739ff30
fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe005739ff30
--- trap 0, rip = 0, rsp = 0, rbp = 0 ---
KDB: enter: panic
[ thread pid 12 tid 100055 ]
Stopped at      kdb_enter+0x6e: movq    $0,0x25bea67(%rip)
db> 
db> set $lines = 0
db> set $maxwidth = 0
db> show registers
cs                        0x20
ds                        0x3b
es                        0x3b
fs                        0x13
gs                        0x1b
ss                        0x28
rax                       0x12
rcx         0xfffffe00033eee30
rdx                          0
rbx         0xffffffff827af640  .str.27
rsp         0xfffffe005739ecf0
rbp         0xfffffe005739ed10
rsi                          0
rdi         0xffffffff81614589  printf+0x149
r8                           0
r9                  0xffffffff
r10                          0
r11                       0x33
r12         0xfffffe000802b000
r13         0xfffffffffffffffe
r14         0xffffffff827af640  .str.27
r15                          0
rip         0xffffffff815fe72e  kdb_enter+0x6e
rflags                    0x46
kdb_enter+0x6e: movq    $0,0x25bea67(%rip)
db> show proc
Process 12 (intr) at 0xfffffe0008008580:
 state: NORMAL
 uid: 0  gids: 0
 parent: pid 0 at 0xffffffff83b478e0
 ABI: null
 flag: 0x10000284  flag2: 0
 reaper: 0xffffffff83b478e0 reapsubtree: 12
 sigparent: 20
 vmspace: 0xffffffff83b48880
   (map 0xffffffff83b48880)
   (map.pmap 0xffffffff83b48920)
   (pmap 0xffffffff83b48990)
 threads: 20
100013                   I                                   [swi6: task queue]
100014                   I                                   [swi6: Giant taskq]
100016                   I                                   [swi5: fast taskq]
100033                   RunQ                                [swi1: netisr 0]
100034                   I                                   [swi1: hpts]
100035                   I                                   [swi1: hpts]
100048                   I                                   [irq24: virtio_pci0]
100049                   I                                   [irq25: virtio_pci0]
100050                   I                                   [irq26: virtio_pci0]
100051                   I                                   [irq27: virtio_pci0]
100052                   I                                   [irq28: virtio_pci1]
100053                   I                                   [irq29: virtio_pci1]
100054                   I                                   [irq30: virtio_pci1]
100055                   Run     CPU 0                       [irq31: virtio_pci1]
100056                   I                                   [irq32: virtio_pci1]
100061                   I                                   [irq10: virtio_pci2]
100063                   I                                   [irq1: atkbd0]
100064                   I                                   [irq12: psm0]
100065                   I                                   [swi0: uart uart++]
100069                   I                                   [swi1: pf send]
db>