Note that there is a go bug about this issue too: https://github.com/golang/go/issues/20763
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1696353 Title: golang binaries fail to start under linux-user Status in QEMU: New Bug description: With current master golang binaries fail when run under linux-user, for example: [will@localhost qemu]$ ./arm-linux-user/qemu-arm glide runtime: failed to create new OS thread (have 2 already; errno=22) fatal error: newosproc runtime stack: runtime.throw(0x45f879, 0x9) /usr/lib/golang/src/runtime/panic.go:566 +0x78 runtime.newosproc(0x1092c000, 0x1093bfe0) /usr/lib/golang/src/runtime/os_linux.go:160 +0x1b0 runtime.newm(0x4ae1e8, 0x0) /usr/lib/golang/src/runtime/proc.go:1572 +0x12c runtime.main.func1() /usr/lib/golang/src/runtime/proc.go:126 +0x24 runtime.systemstack(0x5ef900) /usr/lib/golang/src/runtime/asm_arm.s:247 +0x80 runtime.mstart() /usr/lib/golang/src/runtime/proc.go:1079 goroutine 1 [running]: runtime.systemstack_switch() /usr/lib/golang/src/runtime/asm_arm.s:192 +0x4 fp=0x109287ac sp=0x109287a8 runtime.main() /usr/lib/golang/src/runtime/proc.go:127 +0x5c fp=0x109287d4 sp=0x109287ac runtime.goexit() /usr/lib/golang/src/runtime/asm_arm.s:998 +0x4 fp=0x109287d4 sp=0x109287d4 The reason for this is that the golang runtime does not pass the CLONE_SYSVMEM flag to clone so the clone flags checks fail: https://github.com/golang/go/blob/master/src/runtime/os_linux.go#L155 The attached patch allows golang binaries to start under linux-user. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1696353/+subscriptions