panic: tcp_do_segment: sent too much: 1632>1396 cpuid = 0 time = 20 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0xc6/frame 0xfffffe0056bb0bb0 kdb_backtrace() at kdb_backtrace+0xd0/frame 0xfffffe0056bb0d10 vpanic() at vpanic+0x257/frame 0xfffffe0056bb0ed0 panic() at panic+0xb5/frame 0xfffffe0056bb0f90 tcp_do_segment() at tcp_do_segment+0x8ccf/frame 0xfffffe0056bb1270 tcp_input_with_port() at tcp_input_with_port+0x2214/frame 0xfffffe0056bb1530 tcp_input() at tcp_input+0x1f/frame 0xfffffe0056bb1550 ip_input() at ip_input+0xaa2/frame 0xfffffe0056bb1670 netisr_dispatch_src() at netisr_dispatch_src+0x219/frame 0xfffffe0056bb1750 ether_demux() at ether_demux+0x40e/frame 0xfffffe0056bb1810 ether_nh_input() at ether_nh_input+0xb61/frame 0xfffffe0056bb18f0 netisr_dispatch_src() at netisr_dispatch_src+0x219/frame 0xfffffe0056bb19d0 ether_input() at ether_input+0x1db/frame 0xfffffe0056bb1ab0 vtnet_rxq_eof() at vtnet_rxq_eof+0x16d2/frame 0xfffffe0056bb1cd0 vtnet_rx_vq_process() at vtnet_rx_vq_process+0x189/frame 0xfffffe0056bb1d90 ithread_loop() at ithread_loop+0x4ec/frame 0xfffffe0056bb1ef0 fork_exit() at fork_exit+0xcc/frame 0xfffffe0056bb1f30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe0056bb1f30 --- trap 0, rip = 0, rsp = 0, rbp = 0 --- KDB: enter: panic [ thread pid 12 tid 100052 ] Stopped at kdb_enter+0x6e: movq $0,0x25c2d27(%rip) db> db> set $lines = 0 db>