fatal error: unexpected signal during runtime execution D0714 04:39:51.161972 874993 urpc.go:611] urpc: unmarshal success. [signal SIGSEGV: segmentation violation code=0x1 addr=0x4 pc=0x278cdd1] runtime stack: runtime.throw({0x528c5b?, 0x400000?}) GOROOT/src/runtime/panic.go:1047 +0x5d fp=0x7fb1277fe050 sp=0x7fb1277fe020 pc=0x124d4bd runtime: g 0: unexpected return pc for runtime.sigpanic called from 0x278cdd1 stack: frame={sp:0x7fb1277fe050, fp:0x7fb1277fe0b0} stack=[0x7fb126ffe5c0,0x7fb1277fe1c0) 0x00007fb1277fdf50: 0x000000000000000e 0x000000000000001f 0x00007fb1277fdf60: 0x000000000278cdd1 0x0000000000000004 0x00007fb1277fdf70: 0x0000000000000001 0x000000000124d4bd 0x00007fb1277fdf80: 0x00007fb1277fe020 0x0000000000510d9b 0x00007fb1277fdf90: 0x00007fb1277fdfd0 0x000000000124d888 0x00007fb1277fdfa0: 0x000000c000582b60 0x000000000074dc00 0x00007fb1277fdfb0: 0x0000000000000001 0x00007fb1277fe020 0x00007fb1277fdfc0: 0x000000000124d4bd 0x000000c000582b60 0x00007fb1277fdfd0: 0x00007fb1277fe010 0x000000000124d80c 0x00007fb1277fdfe0: 0x00007fb1277fdff0 0x000000c000582b60 0x00007fb1277fdff0: 0x000000000124d840 0x000000c000582b60 0x00007fb1277fe000: 0x000000000124d4bd 0x00007fb1277fe020 0x00007fb1277fe010: 0x00007fb1277fe040 0x000000000124d4bd 0x00007fb1277fe020: 0x00007fb1277fe028 0x000000000124d4e0 0x00007fb1277fe030: 0x0000000000528c5b 0x000000000000002a 0x00007fb1277fe040: 0x00007fb1277fe0a0 0x0000000001265fc9 0x00007fb1277fe050: <0x0000000000528c5b 0x0000000000400000 0x00007fb1277fe060: 0x00007fb1277fe090 0x000000c000910800 0x00007fb1277fe070: 0x0000000002ed1e60 0x0000000002ed6e60 0x00007fb1277fe080: 0x000000c000582b60 0x0000000002794854 0x00007fb1277fe090: 0x0000000002ed1e60 0x0000000000000200 0x00007fb1277fe0a0: 0x00007fb1277fe128 !0x000000000278cdd1 0x00007fb1277fe0b0: >0x0000000002edf6c0 0x0000000002794fc1 0x00007fb1277fe0c0: 0x00000000028c49dc 0x0000000000000001 0x00007fb1277fe0d0: 0x00007fb1277fe128 0x00007fb1277fe100 0x00007fb1277fe0e0: 0x000000c000910800 0x000000c000582b60 0x00007fb1277fe0f0: 0x0000000000400000 0x000000000128787a 0x00007fb1277fe100: 0x0000000001287c6c 0x000000000128989b 0x00007fb1277fe110: 0x00000000028c49f8 0x00007fb100000001 0x00007fb1277fe120: 0x0000000000000001 0x00007fb1277fe168 0x00007fb1277fe130: 0x0000000001400da9 0x0000000001287c6c 0x00007fb1277fe140: 0x000000c000646670 0x00007fb1d2303900 0x00007fb1277fe150: 0x00007fb1a83eae70 0x000000c0000061a0 0x00007fb1277fe160: 0x000000c000043328 0x00007fb1277fe198 0x00007fb1277fe170: 0x0000000001256ce3 0x000000c0000061a0 0x00007fb1277fe180: 0x0000000400000002 0x000000c000910800 0x00007fb1277fe190: 0x000000c0000061a0 0x000000c0006466b0 0x00007fb1277fe1a0: 0x0000000001283dc3 0x000000c0000061a0 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:821 +0x3e9 fp=0x7fb1277fe0b0 sp=0x7fb1277fe050 pc=0x1265fc9