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syscall: TestExec failures with SIGSEGV on riscv64 #64791

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gopherbot opened this issue Dec 18, 2023 · 4 comments
Open

syscall: TestExec failures with SIGSEGV on riscv64 #64791

gopherbot opened this issue Dec 18, 2023 · 4 comments
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arch-riscv Issues solely affecting the riscv64 architecture. compiler/runtime Issues related to the Go compiler and/or runtime. help wanted NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Backlog

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@gopherbot
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gopherbot commented Dec 18, 2023 •
edited by bcmills 

#!watchflakes
post <- goarch == "riscv64" && pkg == "syscall" && test == "TestExec" && `signal: segmentation fault`

Issue created automatically to collect these failures.

Example (log):

--- FAIL: TestExec (1.19s)
    exec_unix_test.go:317: 
        signal: segmentation fault (core dumped)

— watchflakes
@gopherbot gopherbot added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Dec 18, 2023
@gopherbot
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Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "syscall" && test == "TestExec"
2023-12-18 19:42 linux-riscv64-unmatched go@08bec0db syscall.TestExec (log) 
--- FAIL: TestExec (1.19s)
    exec_unix_test.go:317: 
        signal: segmentation fault (core dumped)

— watchflakes

@gopherbot gopherbot added the compiler/runtime Issues related to the Go compiler and/or runtime. label Dec 18, 2023
@bcmills bcmills added the arch-riscv Issues solely affecting the riscv64 architecture. label Jan 2, 2024
@bcmills bcmills changed the title syscall: TestExec failures syscall: TestExec failures with SIGSEGV on riscv64 Jan 2, 2024
@bcmills
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bcmills commented Jan 2, 2024

(attn @golang/riscv64)

@bcmills
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bcmills commented Jan 2, 2024

Note that this is the regression test added for #41702.

@bcmills bcmills added this to the Backlog milestone Jan 2, 2024
@mengzhuo
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mengzhuo commented Jan 9, 2024 •
edited

I can reproduce this issue on visionfive2 at master

=== RUN   TestExec
runtime: g639: frame.sp=0x3f54037fe0 top=0x3f54037fd8
        stack=[0x3f54037800-0x3f54038000
fatal error: traceback did not unwind completely
runtime: g640: frame.sp=0x3f5425cfe0 top=0x3f5425cfd8
        stack=[0x3f5425c800-0x3f5425d000
fatal error: traceback did not unwind completely
runtime: g611: frame.sp=0x3f542597e0 top=0x3f542597d8
        stack=[0x3f54259000-0x3f54259800
fatal error: traceback did not unwind completely

runtime stack:
runtime.throw({0x19d675?, 0x3fcb6f97c0?})
        /root/godev/src/runtime/panic.go:1023 +0x44 fp=0x3fcb6f9638 sp=0x3fcb6f9610 pc=0x46f44
runtime.(*unwinder).finishInternal(0x3fcb6f9738?)
        /root/godev/src/runtime/traceback.go:565 +0x118 fp=0x3fcb6f9670 sp=0x3fcb6f9638 pc=0x71b38
runtime.(*unwinder).next(0x3fcb6f9738?)
        /root/godev/src/runtime/traceback.go:446 +0x2a0 fp=0x3fcb6f96f0 sp=0x3fcb6f9670 pc=0x71990
runtime.scanstack(0x3f5418a380, 0x3f54029268)
        /root/godev/src/runtime/mgcmark.go:899 +0x25c fp=0x3fcb6f9818 sp=0x3fcb6f96f0 pc=0x2df9c
runtime.markroot.func1()
        /root/godev/src/runtime/mgcmark.go:241 +0xc8 fp=0x3fcb6f9868 sp=0x3fcb6f9818 pc=0x2cbe0
runtime.markroot(0x3f54029268, 0x1c, 0x1)
        /root/godev/src/runtime/mgcmark.go:215 +0x1e0 fp=0x3fcb6f98f0 sp=0x3fcb6f9868 pc=0x2c8e8

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arch-riscv Issues solely affecting the riscv64 architecture. compiler/runtime Issues related to the Go compiler and/or runtime. help wanted NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.
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Status: Todo
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@mengzhuo @mknyszek @bcmills @gopherbot