Rpi1 model B requires setting GOARM=5 I believe. On Sun, Aug 12, 2018, 8:29 AM Stephan Mühlstrasser < stephan.muehlstras...@gmail.com> wrote:
> Hi, > > I'm developing my first Go program that is supposed to upload files into a > Google Cloud Storage bucket from a Raspberry Pi 1. It uses the > https://github.com/blackjack/webcam library to grab a picture from an USB > camera. > > I can compile the program on the Raspberry Pi itself with Go 1.7.4 that > comes with Raspbian, and then it works as expected. However compilation on > the Raspberry Pi is slow and it even sometimes fails because of memory > shortage. Therefore I want to cross-compile on Windows. > > When I cross-compile the exact same source on Windows for ARM with Go > 1.10.3, then this binary crashes at some point on the Raspberry Pi with a > segmentation fault: > > panic: runtime error: invalid memory address or nil pointer dereference > [signal SIGSEGV: segmentation violation code=0x1 addr=0x4 pc=0x11520] > > > goroutine 8 [running]: > sync/atomic.addUint64(0x1236210c, 0x8a75f371, 0xa3f9cbd6, 0xdcd30e9, > 0xda39e1c1) > C:/Go/src/sync/atomic/64bit_arm.go:31 +0x4c > go.opencensus.io/trace.(*defaultIDGenerator).NewSpanID(0x123620f0, 0x0, > 0x0) > E:/Users/stm/go/src/go.opencensus.io/trace/trace.go:483 +0x50 > go.opencensus.io/trace.startSpanInternal(0x123202d0, 0x22, 0x0, 0x0, 0x0, > 0x0, 0x0, 0x0, 0x0, 0x0, ...) > E:/Users/stm/go/src/go.opencensus.io/trace/trace.go:196 +0x7c > go.opencensus.io/trace.StartSpan(0x4c4128, 0x12795c60, 0x123202d0, 0x22, > 0x123798ec, 0x2, 0x2, 0x10, 0x40, 0x58f74) > E:/Users/stm/go/src/go.opencensus.io/trace/trace.go:162 +0x128 > ... > > I'm a Go newbie, and therefore I'm not sure how to interpret this. May > this be a bug in the Go cross-compiler, or may this be a bug in the program > that only manifests itself when the program is cross-compiled with the > newer compiler on Windows? How can I analyze this? > > Thanks > Stephan > > -- > You received this message because you are subscribed to the Google Groups > "golang-nuts" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to golang-nuts+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
