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last-g opened this issue Dec 8, 2015 · 6 comments
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internal/syscall/unix: panic on internal/syscall/unix.init() #13537

last-g opened this issue Dec 8, 2015 · 6 comments
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@last-g
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last-g commented Dec 8, 2015

Hi

I've used https://releases.hashicorp.com/packer/0.8.6/packer_0.8.6_linux_amd64.zip and it worked fine. But today I suddenly got this error:

last-g@yalastdell:~/opt/packer$ ./packer
panic: runtime: allocation size out of range

goroutine 1 [running]:
internal/syscall/unix.init()
        /usr/local/go/src/internal/syscall/unix/getrandom_linux.go:19 +0xef
crypto/rand.init()
        /usr/local/go/src/crypto/rand/util.go:136 +0x56
github.com/hashicorp/go-checkpoint.init()
        /Users/cbednarski/code/golang/src/github.com/hashicorp/go-checkpoint/checkpoint.go:343 +0x3b
main.init()
        /Users/cbednarski/code/golang/src/github.com/mitchellh/packer/version.go:12 +0x4e

In 20 minutes this error dissapeared and I can't reproduce it now.

I've checked source code of packer and it seems to be something very strange with Go runtime.

My system

$ uname -a
Linux yalastdell 4.2.0-21-generic #25-Ubuntu SMP Wed Dec 2 18:42:25 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
@minux
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minux commented Dec 8, 2015 via email

@ianlancetaylor ianlancetaylor changed the title panic on internal/syscall/unix.init() internal/syscall/unix: panic on internal/syscall/unix.init() Dec 8, 2015
@ianlancetaylor ianlancetaylor added this to the Go1.6 milestone Dec 8, 2015
@ianlancetaylor
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Which version of Go?

How repeatable is this?

@last-g
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last-g commented Dec 9, 2015

@minux
I'll test system today. But whole system just works fine

@ianlancetaylor
Binary is compiled statically with go1.5.
I can't repeat this error now. I've got it for every run of this binary for about 20 minutes and then it just disappeared.

Now i'm getting another error, it be related with original error:
https://gist.github.com/last-g/4c1c5ca4f4e0629a8065

@ianlancetaylor
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How large is your program? What does size packer print?

@last-g
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last-g commented Dec 11, 2015 

last-g@yalastdell:~/opt/packer$ size packer
   text    data     bss     dec     hex filename
8072436  131416  181624 8385476  7ff3c4 packer

@ianlancetaylor
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Thanks for the info. I'm going to close this as unreproducible. If you can get this to happen consistently, or on a different machine, please reopen.

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