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From: Aaron Suggs <aaron@ktheory.com>
To: unicorn list <mongrel-unicorn@rubyforge.org>
Subject: Re: Workers reaped with SIGABRT - how to debug?
Date: Tue, 15 Apr 2014 06:34:26 -0400	[thread overview]
Message-ID: <CAMF1rWB39OFkqg3_3=zUw5jeOsHe4+fyvC8_EUAYYzLqK1OWPw@mail.gmail.com> (raw)
In-Reply-To: <CADBUp+2TcpzdLoUa3HAAyR_Yf2ufGG2RiO66nRy5ywRPWLtQYw@mail.gmail.com>

Henrik, we had the same problem after upgrading to Ruby 2.1.1. My
coworker Tieg Zaharia tracked it down to this bug with
BigDecimal#to_d:

https://bugs.ruby-lang.org/issues/9657

He discusses a workaround (using BigDecimal coercion instead of #to_d).

Worked for us.

-Aaron

On Tue, Apr 15, 2014 at 5:05 AM, Henrik Nyh <henrik@barsoom.se> wrote:
> On Tue, Apr 15, 2014 at 10:43 AM, Eric Wong <normalperson@yhbt.net> wrote:
>> This is may be a bug in a C extension RubyGem or even Ruby itself.
>> Do you get core dumps + backtraces or any other error messages in the logs?
>
> You'd expect this to be in the Rails app's production.log, right? We
> added that to our logging service this morning - we'll check it the
> next time this error happens. Maybe we could also try to dig it up
> from archived logs.
>
>> Which OS/distribution is this?
>
> Ubuntu 12.04.1 LTS
>
>> Since you see SIGABRT/SIGIOT and not SIGSEGV, you might be crashing
>> inside the SIGSEGV handler of Ruby itself.
>>
>> Can you also try --enable-debug-env when you ./configure Ruby?
>
> I guess that would output more details to the Rails production.log in
> the event of a crash? Will look into that.
>
>> Thanks in advance for any more info you can provide!
>
> Thanks so much for the help! Much appreciated.
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  reply	other threads:[~2014-04-15 10:42 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-15  8:00 Workers reaped with SIGABRT - how to debug? Henrik Nyh
2014-04-15  8:43 ` Eric Wong
2014-04-15  9:05   ` Henrik Nyh
2014-04-15 10:34     ` Aaron Suggs [this message]
2014-04-16  7:08     ` Henrik Nyh
2014-04-28  9:25 ` Henrik Nyh
2014-04-28 10:41   ` Eric Wong

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