PASS PASS PASS PASS PASS futexsleep addr=0x7f764f4e90a8 val=3 returned -516 SIGSEGV: segmentation violation Faulting address: 0x1005 PC=0x40c2e8 futexsleep+0xc2 /home/klimek/Code/go/src/pkg/runtime/linux/thread.c:58 futexsleep(0x4f4e90a8, 0x7f76, 0x3, 0x3) futexlock+0x7a /home/klimek/Code/go/src/pkg/runtime/linux/thread.c:126 futexlock(0x4f4e90a8, 0x7f76) notesleep+0x1c /home/klimek/Code/go/src/pkg/runtime/linux/thread.c:206 notesleep(0x4f4e90a8, 0x7f76) nextgandunlock+0xfc /home/klimek/Code/go/src/pkg/runtime/proc.c:350 nextgandunlock() scheduler+0xe0 /home/klimek/Code/go/src/pkg/runtime/proc.c:503 scheduler() mstart+0x47 /home/klimek/Code/go/src/pkg/runtime/proc.c:394 mstart() clone+0x42 /home/klimek/Code/go/src/pkg/runtime/linux/amd64/sys.s:160 clone() goroutine 88 [4]: gosched+0x34 /home/klimek/Code/go/src/pkg/runtime/proc.c:522 gosched() semsleep2+0x16 /home/klimek/Code/go/src/pkg/runtime/sema.c:94 semsleep2() semacquire+0x9c /home/klimek/Code/go/src/pkg/runtime/sema.c:123 semacquire(0x4f43dcac, 0x7f76) Segmentation fault