ERL-868: httpc:request hangs

[OTP-Maintainer]

Original reporter: bitboxer
Affected version: OTP-21.0
Component: inets
Migrated from: https://bugs.erlang.org/browse/ERL-868

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I have a weird behaviour where I need some help figuring out what happens.

I have a  Ubuntu 16.04.6 LTS with a  

Erlang/OTP 21 [erts-10.2.4] [source] [64-bit] [smp:13:13] [ds:13:13:10] [async-threads:1] [hipe] 

installed using

deb http://binaries.erlang-solutions.com/debian xenial contrib

when i run this in erl:

inets:start().
httpc:request("http://erlang.org").

it hangs and never returns. 

Currently I have no clue what happens or how to debug this.

[OTP-Maintainer]

bitboxer said:

Downgrading to Erlang/OTP 20 [erts-9.3.3.9] [source] [64-bit] [smp:13:13] [ds:13:13:10] [async-threads:10] [hipe] [kernel-poll:false] fixes the problem.

[OTP-Maintainer]

ingela said:

I could not reproduce the problem with the upcoming 21.3 release. Will be out latest Wednesday next week.