Closed
Description
What version of Go are you using (go version)?
$ go version go version go1.16.1 darwin/amd64
Does this issue reproduce with the latest release?
Yes.
What operating system and processor architecture are you using (go env)?
Macbook Air M1 (Apple Silicon ARM64)
macOS Big Sur go1.16.1 darwin/amd64
go env Output
$ go env GO111MODULE="" GOARCH="amd64" GOBIN="" GOCACHE="/Users/vojtechvitek/Library/Caches/go-build" GOENV="/Users/vojtechvitek/Library/Application Support/go/env" GOEXE="" GOFLAGS="" GOHOSTARCH="amd64" GOHOSTOS="darwin" GOINSECURE="" GOMODCACHE="/Users/vojtechvitek/go/pkg/mod" GONOPROXY="[redacted]" GONOSUMDB="[redacted]" GOOS="darwin" GOPATH="/Users/vojtechvitek/go" GOPRIVATE="[redacted]" GOPROXY="https://proxy.golang.org,direct" GOROOT="/usr/local/go" GOSUMDB="sum.golang.org" GOTMPDIR="" GOTOOLDIR="/usr/local/go/pkg/tool/darwin_amd64" GOVCS="" GOVERSION="go1.16.1" GCCGO="gccgo" AR="ar" CC="clang" CXX="clang++" CGO_ENABLED="1" GOMOD="/Users/vojtechvitek/VojtechVitek/rerun/go.mod" CGO_CFLAGS="-g -O2" CGO_CPPFLAGS="" CGO_CXXFLAGS="-g -O2" CGO_FFLAGS="-g -O2" CGO_LDFLAGS="-g -O2" PKG_CONFIG="pkg-config" GOGCCFLAGS="-fPIC -arch x86_64 -m64 -pthread -fno-caret-diagnostics -Qunused-arguments -fmessage-length=0 -fdebug-prefix-map=/var/folders/23/vc4gzw8n52gc17yx4wfqfj3c0000gn/T/go-build4066643553=/tmp/go-build -gno-record-gcc-switches -fno-common"
What did you do?
$ go get github.com/VojtechVitek/rerun/cmd/rerun@v0.0.3
$ rerun -watch . -run echo "Rerunning command."
$ echo Rerunning command.
Rerunning command.
runtime: pipe failed with 91746476
fatal error: runtime: pipe failed
goroutine 6 [running]:
runtime.throw(0x10f41e8, 0x14)
/usr/local/go/src/runtime/panic.go:1117 +0x72 fp=0xc00003ed38 sp=0xc00003ed08 pc=0x1034032
runtime.netpollinit()
/usr/local/go/src/runtime/netpoll_kqueue.go:34 +0x1a5 fp=0xc00003edc0 sp=0xc00003ed38 pc=0x102fe05
runtime.netpollGenericInit()
/usr/local/go/src/runtime/netpoll.go:123 +0x67 fp=0xc00003edd8 sp=0xc00003edc0 pc=0x102f827
runtime.doaddtimer(0xc000024000, 0xc000060058)
/usr/local/go/src/runtime/time.go:281 +0x185 fp=0xc00003ee30 sp=0xc00003edd8 pc=0x1054905
runtime.addtimer(0xc000060058)
/usr/local/go/src/runtime/time.go:269 +0xad fp=0xc00003ee68 sp=0xc00003ee30 pc=0x10546ed
time.startTimer(0xc000060058)
/usr/local/go/src/runtime/time.go:212 +0x2b fp=0xc00003ee80 sp=0xc00003ee68 pc=0x1065b0b
time.NewTimer(0x7fffffffffffffff, 0x0)
/usr/local/go/src/time/sleep.go:96 +0xc5 fp=0xc00003eec0 sp=0xc00003ee80 pc=0x109bcc5
github.com/VojtechVitek/rerun.(*Watcher).Watch.func2(0xc0000b8000, 0xbebc200, 0xc000283b60)
/Users/vojtechvitek/go/pkg/mod/github.com/!vojtech!vitek/rerun@v0.0.3/watcher.go:88 +0x235 fp=0xc00003efc8 sp=0xc00003eec0 pc=0x10c3fb5
runtime.goexit()
/usr/local/go/src/runtime/asm_amd64.s:1371 +0x1 fp=0xc00003efd0 sp=0xc00003efc8 pc=0x1068841
created by github.com/VojtechVitek/rerun.(*Watcher).Watch
/Users/vojtechvitek/go/pkg/mod/github.com/!vojtech!vitek/rerun@v0.0.3/watcher.go:82 +0x12d
goroutine 1 [chan receive]:
main.main()
/Users/vojtechvitek/go/pkg/mod/github.com/!vojtech!vitek/rerun@v0.0.3/cmd/rerun/main.go:112 +0x3cb
goroutine 18 [syscall]:
syscall.syscall6(0x10c03c0, 0x3, 0x0, 0x0, 0xc000038688, 0xa, 0x11d0920, 0x0, 0x0, 0x0)
/usr/local/go/src/runtime/sys_darwin.go:41 +0x2e
golang.org/x/sys/unix.kevent(0x3, 0x0, 0x0, 0xc000038688, 0xa, 0x11d0920, 0x0, 0x0, 0x0)
/Users/vojtechvitek/go/pkg/mod/golang.org/x/sys@v0.0.0-20210309074719-68d13333faf2/unix/zsyscall_darwin_amd64.go:276 +0xa5
golang.org/x/sys/unix.Kevent(0x3, 0x0, 0x0, 0x0, 0xc000038688, 0xa, 0xa, 0x11d0920, 0x0, 0x0, ...)
/Users/vojtechvitek/go/pkg/mod/golang.org/x/sys@v0.0.0-20210309074719-68d13333faf2/unix/syscall_bsd.go:429 +0x71
github.com/fsnotify/fsnotify.read(0x3, 0xc000038688, 0xa, 0xa, 0x11d0920, 0x0, 0x0, 0x0, 0x0, 0x0)
/Users/vojtechvitek/go/pkg/mod/github.com/fsnotify/fsnotify@v1.4.9/kqueue.go:511 +0x6e
github.com/fsnotify/fsnotify.(*Watcher).readEvents(0xc0000b2180)
/Users/vojtechvitek/go/pkg/mod/github.com/fsnotify/fsnotify@v1.4.9/kqueue.go:274 +0x81b
created by github.com/fsnotify/fsnotify.NewWatcher
/Users/vojtechvitek/go/pkg/mod/github.com/fsnotify/fsnotify@v1.4.9/kqueue.go:62 +0x199
goroutine 33 [syscall]:
os/signal.signal_recv(0x0)
/usr/local/go/src/runtime/sigqueue.go:165 +0x9d
os/signal.loop()
/usr/local/go/src/os/signal/signal_unix.go:23 +0x25
created by os/signal.Notify.func1.1
/usr/local/go/src/os/signal/signal.go:151 +0x45
goroutine 5 [chan receive]:
main.main.func1(0xc0000b21e0, 0xc000056020)
/Users/vojtechvitek/go/pkg/mod/github.com/!vojtech!vitek/rerun@v0.0.3/cmd/rerun/main.go:80 +0x3b
created by main.main
/Users/vojtechvitek/go/pkg/mod/github.com/!vojtech!vitek/rerun@v0.0.3/cmd/rerun/main.go:79 +0x2f3
ERROR 2
What did you expect to see?
rerun -watch . -run echo "Rerunning command."
On any file-system change, the echo command would run. This works well on other architectures. And I'd swear this used to work on Go 1.16rc1. However I can't find it anymore in the Go Download page, so I can't re-test it.
What did you see instead?
fatal error: runtime: pipe failed
I'm sorry if this is insufficient bug report, but I don't have a clue what else to include. I'm not sure how to help debug this any further. Any help/guidance would be greatly appreciated.
During the crash, the program does this in the high-level:
- Runs an
os/execcommand in the background - Listens on signals (
signal.Notify) - Watches FS changes via kqueue (https://github.com/fsnotify/fsnotify)
- Spins up some internal timers (
time.NewTimer())
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