fatal error: unexpected signal during runtime execution D0713 03:37:09.614179 395488 urpc.go:568] urpc: successfully marshalled 36 bytes. D0713 03:37:09.614412 395447 urpc.go:611] urpc: unmarshal success. [signal SIGSEGV: segmentation violation code=0x1 addr=0x4 pc=0x278baf1] runtime stack: runtime.throw({0x528c68?, 0x0?}) GOROOT/src/runtime/panic.go:1047 +0x5d fp=0x7f71b37fe050 sp=0x7f71b37fe020 pc=0x124d0bd runtime: g 0: unexpected return pc for runtime.sigpanic called from 0x278baf1 stack: frame={sp:0x7f71b37fe050, fp:0x7f71b37fe0b0} stack=[0x7f71b2ffe5c0,0x7f71b37fe1c0) 0x00007f71b37fdf50: 0x000000000000000e 0x000000000000001f 0x00007f71b37fdf60: 0x000000000278baf1 0x0000000000000004 0x00007f71b37fdf70: 0x0000000000000001 0x000000000124d0bd 0x00007f71b37fdf80: 0x00007f71b37fe020 0x0000000000510da8 0x00007f71b37fdf90: 0x00007f71b37fdfd0 0x000000000124d488 0x00007f71b37fdfa0: 0x000000c0004fd380 0x000000000074d908 0x00007f71b37fdfb0: 0x0000000000000001 0x00007f71b37fe020 0x00007f71b37fdfc0: 0x000000000124d0bd 0x000000c0004fd380 0x00007f71b37fdfd0: 0x00007f71b37fe010 0x000000000124d40c 0x00007f71b37fdfe0: 0x00007f71b37fdff0 0x000000c0004fd380 0x00007f71b37fdff0: 0x000000000124d440 0x000000c0004fd380 0x00007f71b37fe000: 0x000000000124d0bd 0x00007f71b37fe020 0x00007f71b37fe010: 0x00007f71b37fe040 0x000000000124d0bd 0x00007f71b37fe020: 0x00007f71b37fe028 0x000000000124d0e0 0x00007f71b37fe030: 0x0000000000528c68 0x000000000000002a 0x00007f71b37fe040: 0x00007f71b37fe0a0 0x0000000001265bc9 0x00007f71b37fe050: <0x0000000000528c68 0x0000000000000000 0x00007f71b37fe060: 0x000000c000652000 0x00007f71b37fe0a0 0x00007f71b37fe070: 0x00000000028cf5c0 0x000000000118dc58 0x00007f71b37fe080: 0x000000c0004fd380 0x0000000001287e53 0x00007f71b37fe090: 0x00000000028cf5c0 0x00000000028cf5c0 0x00007f71b37fe0a0: 0x00007f71b37fe128 !0x000000000278baf1 0x00007f71b37fe0b0: >0x00007f71b37fe0f8 0x0000000001251ca7 0x00007f71b37fe0c0: 0x00000000028c389c 0x0000000000000001 0x00007f71b37fe0d0: 0x00007f71b37fe128 0x00007f71b37fe100 0x00007f71b37fe0e0: 0x000000c000652000 0x000000c0004fd380 0x00007f71b37fe0f0: 0x000000c000652000 0x000000000128747a 0x00007f71b37fe100: 0x000000000128786c 0x000000000128949b 0x00007f71b37fe110: 0x00000000028c38b8 0x00007f7100000001 0x00007f71b37fe120: 0x0000000000000001 0x00007f71b37fe168 0x00007f71b37fe130: 0x00000000014009a9 0x000000000128786c 0x00007f71b37fe140: 0x000000c000a8a670 0x00007f7242303900 0x00007f71b37fe150: 0x00007f7241a17fc0 0x000000c0000061a0 0x00007f71b37fe160: 0x000000c0007e2878 0x00007f71b37fe198 0x00007f71b37fe170: 0x00000000012568e3 0x000000c0000061a0 0x00007f71b37fe180: 0x0000000400000002 0x000000c000652000 0x00007f71b37fe190: 0x000000c0000061a0 0x000000c000a8a6b0 0x00007f71b37fe1a0: 0x00000000012839c3 0x000000c0000061a0 runtime.sigpanic() GOROOT/src/runtime/signal_unix.go:821 +0x3e9 fp=0x7f71b37fe0b0 sp=0x7f71b37fe050 pc=0x1265bc9