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runtime: linux-mips-softfloat infinite loop before main() is called #23568

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jedisct1 opened this issue Jan 26, 2018 · 6 comments
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runtime: linux-mips-softfloat infinite loop before main() is called #23568

jedisct1 opened this issue Jan 26, 2018 · 6 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.
Milestone
Go1.10

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@jedisct1
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What version of Go are you using (go version)?

1.10rc1

Does this issue reproduce with the latest release?

Yep

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

GOOS=linux GOARCH=mips GOMIPS=softfloat

What did you do?

I compiled github.com/jedisct1/dnscrypt-proxy for linux-mips-softfloat.

I tried to run the resulting binary on OpenWRT/mips (CPU is a MIPS 74Kc V5.0, Qualcomm Atheros QCA9558).

The executable didn't even reach the main() function. RAM usage and CPU sage went to 500%.

I replaced the main() function with one that just prints a Hello World. Same result.

What did you expect to see?

Gorgeous log lines about DNS stuff.

What did you see instead?

Not much.
@ALTree ALTree changed the title linux-mips-softfloat infinite loop before main() is called runtime: linux-mips-softfloat infinite loop before main() is called Jan 26, 2018
@ALTree ALTree added the NeedsInvestigation Someone must examine and confirm this is a valid issue and not a duplicate of an existing one. label Jan 26, 2018
@ALTree
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ALTree commented Jan 26, 2018

softfloat was introduced during the go1.10 cycle, so I'm tentatively putting this into the 1.10 milestone.

cc @vstefanovic @cherrymui @aclements

@ALTree ALTree added this to the Go1.10 milestone Jan 26, 2018
@aclements
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Thanks for the report. Do you know if it reached an init function? What happens if you press Ctrl+\ (or send the process a SIGQUIT)?

@jedisct1
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Output after SIGQUIT : https://gist.github.com/c24d20cf070c3ae41587f07e29eb13b0

@jedisct1
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Ok, forget about it. Looks like the github.com/kardianos/service tries to execute /sbin/init --version, which is blocking on Busybox.

Unrelated to softfloat then. Sorry for the noise :(

@aclements
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No worries. Thanks for resolving!

@jedisct1
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Thanks for the Ctrl-\ trick!

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@jedisct1 @aclements @ALTree @gopherbot