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cmd/go: build failure on a machine with gccgo installed after commit 38431f1044 #32060

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siebenmann opened this issue May 15, 2019 · 4 comments
Closed

cmd/go: build failure on a machine with gccgo installed after commit 38431f1044 #32060

siebenmann opened this issue May 15, 2019 · 4 comments
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FrozenDueToAge NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. release-blocker
Milestone
Go1.13

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@siebenmann
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What version of Go are you using (go version)?

$ go version
go version devel +ab242dcbc9 Wed May 15 18:12:10 2019 +0000 linux/amd64

Does this issue reproduce with the latest release?

No; it starts from commit 38431f1.

What operating system and processor architecture are you using (go env)?

go env Output
$ go env
GOARCH="amd64"
GOBIN=""
GOCACHE="/homes/hawklords/cks/.cache/go-build"
GOENV="/homes/hawklords/cks/.config/go/env"
GOEXE=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/homes/hawklords/cks/go"
GOPROXY="direct"
GOROOT="/data/code/go-lang/go"
GOSUMDB="off"
GOTMPDIR=""
GOTOOLDIR="/data/code/go-lang/go/pkg/tool/linux_amd64"
GCCGO="/usr/bin/gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/data/code/go-lang/go/src/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 -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmpfs/go-build887470000=/tmp/go-build -gno-record-gcc-switches"

What did you do?

On a machine with gccgo installed, running the tests with all.bash fails with:

ok      cmd/fix 0.048s
go test proxy running at GOPROXY=http://127.0.0.1:41319/mod
go proxy: no archive rsc.io/x v0.1.0: file does not exist
--- FAIL: TestScript (0.00s)
    --- FAIL: TestScript/vendor_complex (0.21s)
        script_test.go:192: 
            # smoke test for complex build configuration (0.213s)
            > go build -o complex.exe complex
            > [exec:gccgo] go build -compiler=gccgo -o complex.exe complex
            [stderr]
            panic: lost build action: gccgo stdlib
            
            goroutine 1 [running]:
            cmd/go/internal/work.(*Builder).CompileAction(0xc0000d17c0, 0x0, 0x0, 0xc00021aa00, 0xc0000db400)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:418 +0x265
            cmd/go/internal/work.(*Builder).CompileAction.func1(0x980020)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:383 +0x171
            cmd/go/internal/work.(*Builder).cacheAction(0xc0000d17c0, 0xa20f1f, 0x5, 0xc0001c8000, 0xc000163ae0, 0xc0000b3220)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:340 +0x9e
            cmd/go/internal/work.(*Builder).CompileAction(0xc0000d17c0, 0x0, 0x0, 0xc0001c8000, 0x4376ac)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:373 +0xe8
            cmd/go/internal/work.(*Builder).LinkAction.func1(0x980020)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:496 +0xb2
            cmd/go/internal/work.(*Builder).cacheAction(0xc0000d17c0, 0xa20a53, 0x4, 0xc0001c8000, 0xc000163c50, 0x0)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:340 +0x9e
            cmd/go/internal/work.(*Builder).LinkAction(0xc0000d17c0, 0x1, 0x0, 0xc0001c8000, 0x0)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:490 +0x85
            cmd/go/internal/work.(*Builder).AutoAction(0xc0000d17c0, 0x1, 0x0, 0xc0001c8000, 0x0)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:349 +0x9b
            cmd/go/internal/work.runBuild(0xe76900, 0xc0000b8170, 0x1, 0x1)
                /data/code/go-lang/go/src/cmd/go/internal/work/build.go:386 +0x6c7
            main.main()
                /data/code/go-lang/go/src/cmd/go/main.go:188 +0x57f
            [exit status 2]
            FAIL: testdata/script/vendor_complex.txt:5: unexpected command failure
            
--- FAIL: TestIssue7573 (0.02s)
    go_test.go:3048: running testgo [build -n -compiler gccgo cgoref]
    go_test.go:3048: standard error:
    go_test.go:3048: panic: lost build action: gccgo stdlib
        
        goroutine 1 [running]:
        panic(0x962880, 0xc0001d63e0)
                /data/code/go-lang/go/src/runtime/panic.go:662 +0x2c2 fp=0xc000159940 sp=0xc0001598b0 pc=0x42ee52
        cmd/go/internal/work.(*Builder).CompileAction(0xc0000d5c20, 0x0, 0x0, 0xc0001fea00, 0x1)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:418 +0x265 fp=0xc0001599b0 sp=0xc000159940 pc=0x825385
        cmd/go/internal/work.(*Builder).CompileAction.func1(0x980020)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:383 +0x171 fp=0xc000159a50 sp=0xc0001599b0 pc=0x864471
        cmd/go/internal/work.(*Builder).cacheAction(0xc0000d5c20, 0xa20f1f, 0x5, 0xc0001fe000, 0xc000159ae0, 0x8)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:340 +0x9e fp=0xc000159aa0 sp=0xc000159a50 pc=0x824fbe
        cmd/go/internal/work.(*Builder).CompileAction(0xc0000d5c20, 0x0, 0x0, 0xc0001fe000, 0x4376ac)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:373 +0xe8 fp=0xc000159b10 sp=0xc000159aa0 pc=0x825208
        cmd/go/internal/work.(*Builder).LinkAction.func1(0x980020)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:496 +0xb2 fp=0xc000159bd0 sp=0xc000159b10 pc=0x864dc2
        cmd/go/internal/work.(*Builder).cacheAction(0xc0000d5c20, 0xa20a53, 0x4, 0xc0001fe000, 0xc000159c50, 0xe39628)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:340 +0x9e fp=0xc000159c20 sp=0xc000159bd0 pc=0x824fbe
        cmd/go/internal/work.(*Builder).LinkAction(0xc0000d5c20, 0x1, 0x0, 0xc0001fe000, 0xc0001bfbf0)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:490 +0x85 fp=0xc000159c80 sp=0xc000159c20 pc=0x825545
        cmd/go/internal/work.(*Builder).AutoAction(0xc0000d5c20, 0x1, 0x0, 0xc0001fe000, 0xb07060)
                /data/code/go-lang/go/src/cmd/go/internal/work/action.go:349 +0x9b fp=0xc000159cb8 sp=0xc000159c80 pc=0x8250fb
        cmd/go/internal/work.runBuild(0xe76900, 0xc000020290, 0x1, 0x1)
                /data/code/go-lang/go/src/cmd/go/internal/work/build.go:386 +0x6c7 fp=0xc000159dd8 sp=0xc000159cb8 pc=0x828267
        main.main()
                /data/code/go-lang/go/src/cmd/go/main.go:188 +0x57f fp=0xc000159f98 sp=0xc000159dd8 pc=0x90f7ef
        runtime.main()
                /data/code/go-lang/go/src/runtime/proc.go:203 +0x214 fp=0xc000159fe0 sp=0xc000159f98 pc=0x430b94
        runtime.goexit()
                /data/code/go-lang/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc000159fe8 sp=0xc000159fe0 pc=0x45c151
        
        goroutine 2 [force gc (idle)]:
        runtime.gopark(0xa68228, 0xe7fe90, 0x1411, 0x1)
                /data/code/go-lang/go/src/runtime/proc.go:304 +0xe0 fp=0xc000062fb0 sp=0xc000062f90 pc=0x430f60
        runtime.goparkunlock(...)
                /data/code/go-lang/go/src/runtime/proc.go:310
        runtime.forcegchelper()
                /data/code/go-lang/go/src/runtime/proc.go:253 +0xb7 fp=0xc000062fe0 sp=0xc000062fb0 pc=0x430e17
        runtime.goexit()
                /data/code/go-lang/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc000062fe8 sp=0xc000062fe0 pc=0x45c151
        created by runtime.init.5
                /data/code/go-lang/go/src/runtime/proc.go:242 +0x35
        
        goroutine 3 [GC sweep wait]:
        runtime.gopark(0xa68228, 0xe800c0, 0x140c, 0x1)
                /data/code/go-lang/go/src/runtime/proc.go:304 +0xe0 fp=0xc0000637a8 sp=0xc000063788 pc=0x430f60
        runtime.goparkunlock(...)
                /data/code/go-lang/go/src/runtime/proc.go:310
        runtime.bgsweep(0xc000040070)
                /data/code/go-lang/go/src/runtime/mgcsweep.go:70 +0x9c fp=0xc0000637d8 sp=0xc0000637a8 pc=0x423c4c
        runtime.goexit()
                /data/code/go-lang/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc0000637e0 sp=0xc0000637d8 pc=0x45c151
        created by runtime.gcenable
                /data/code/go-lang/go/src/runtime/mgc.go:210 +0x5c
        
        goroutine 4 [GC scavenge wait]:
        runtime.gopark(0xa68228, 0xe80820, 0x140d, 0x1)
                /data/code/go-lang/go/src/runtime/proc.go:304 +0xe0 fp=0xc000063f38 sp=0xc000063f18 pc=0x430f60
        runtime.goparkunlock(...)
                /data/code/go-lang/go/src/runtime/proc.go:310
        runtime.bgscavenge(0xc000040070)
                /data/code/go-lang/go/src/runtime/mgcscavenge.go:257 +0xe1 fp=0xc000063fd8 sp=0xc000063f38 pc=0x4232a1
        runtime.goexit()
                /data/code/go-lang/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc000063fe0 sp=0xc000063fd8 pc=0x45c151
        created by runtime.gcenable
                /data/code/go-lang/go/src/runtime/mgc.go:211 +0x7e
        
        goroutine 5 [finalizer wait]:
        runtime.gopark(0xa68228, 0xe9dd50, 0xe41410, 0x1)
                /data/code/go-lang/go/src/runtime/proc.go:304 +0xe0 fp=0xc000062758 sp=0xc000062738 pc=0x430f60
        runtime.goparkunlock(...)
                /data/code/go-lang/go/src/runtime/proc.go:310
        runtime.runfinq()
                /data/code/go-lang/go/src/runtime/mfinal.go:175 +0xa3 fp=0xc0000627e0 sp=0xc000062758 pc=0x419d23
        runtime.goexit()
                /data/code/go-lang/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc0000627e8 sp=0xc0000627e0 pc=0x45c151
        created by runtime.createfing
                /data/code/go-lang/go/src/runtime/mfinal.go:156 +0x61
        
        goroutine 6 [syscall]:
        runtime.notetsleepg(0xe9e220, 0xffffffffffffffff, 0x0)
                /data/code/go-lang/go/src/runtime/lock_futex.go:227 +0x34 fp=0xc000064798 sp=0xc000064768 pc=0x40c5e4
        os/signal.signal_recv(0x0)
                /data/code/go-lang/go/src/runtime/sigqueue.go:139 +0x9c fp=0xc0000647c0 sp=0xc000064798 pc=0x444a1c
        os/signal.loop()
                /data/code/go-lang/go/src/os/signal/signal_unix.go:23 +0x22 fp=0xc0000647e0 sp=0xc0000647c0 pc=0x5a17e2
        runtime.goexit()
                /data/code/go-lang/go/src/runtime/asm_amd64.s:1357 +0x1 fp=0xc0000647e8 sp=0xc0000647e0 pc=0x45c151
        created by os/signal.init.0
                /data/code/go-lang/go/src/os/signal/signal_unix.go:29 +0x41
        
    go_test.go:3048: go [build -n -compiler gccgo cgoref] failed unexpectedly in /data/code/go-lang/go/src/cmd/go: signal: aborted
FAIL
2019/05/15 14:22:37 unexpected files left in tmpdir: [go-build363023201]
FAIL    cmd/go  29.927s
ok      cmd/go/internal/auth    0.026s

This is a Fedora 29 x86_64 machine with gccgo (GCC) 8.3.1 20190223 (Red Hat 8.3.1-2). Removing the gccgo package makes the build and tests work again.

Since all builders are currently passing, I suspect that none of them have gccgo installed. If this is the case, perhaps there should be at least one Linux builder with gccgo (especially since I believe there have been past build problems with gccgo installed).
@gopherbot gopherbot added this to the Gccgo milestone May 15, 2019
@FiloSottile FiloSottile added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label May 15, 2019
@FiloSottile
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/cc @ianlancetaylor

@ianlancetaylor
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CC @rsc @bcmills

@ianlancetaylor ianlancetaylor modified the milestones: Gccgo, Go1.13 May 15, 2019
@bcmills
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bcmills commented May 15, 2019

That commit is CL 176438, which was merged just recently.

@bcmills bcmills mentioned this issue May 16, 2019
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Change https://golang.org/cl/177600 mentions this issue: cmd/go: include "gccgo stdlib" in lost build action check

@golang golang locked and limited conversation to collaborators May 15, 2020
@rsc rsc removed their assignment Jun 23, 2022
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