From: Eric Wong <normalperson@yhbt.net>
To: unicorn list <mongrel-unicorn@rubyforge.org>
Subject: Re: unicorn stuck in sched_yield after ERESTARTNOHAND
Date: Tue, 31 May 2011 08:17:37 -0700 [thread overview]
Message-ID: <20110531151737.GA10313@dcvr.yhbt.net> (raw)
In-Reply-To: <BANLkTinPK-QBWE2YireOEqcT1G+RnRiyBw@mail.gmail.com>
Bharanee Rathna <deepfryed@gmail.com> wrote:
> A bit of research suggestsi that rb_thread_wait has
> issues when the select receives ERESTARTNOHAND, any ideas as to why
> this might be happening ?
Not sure, could be a bug in Ruby itself, kernel, or glibc.
I've seen similar reports of this in the past outside of Unicorn but
don't recall ever finding a satisfactory explanation.
> I'm running
>
> $ uname -a
> Linux bbox 2.6.38-02063806-generic #201105121509 SMP Thu May 12
> 15:14:14 UTC 2011 x86_64 GNU/Linux
>
> $ ruby -v
> ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-linux]
Can you try 1.9.2-p180 or Ruby trunk? Or maybe a different version of
glibc, too. Do you have any non-standard kernel patches/scheduler
configs?
--
Eric Wong
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next prev parent reply other threads:[~2011-05-31 15:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <BANLkTikFid3n0QpsrnXf2oNansFmuJDyuw@mail.gmail.com>
[not found] ` <BANLkTimF78PW9YgEAURS604Q8mucNwSDrg@mail.gmail.com>
2011-05-31 12:02 ` unicorn stuck in sched_yield after ERESTARTNOHAND Bharanee Rathna
2011-05-31 15:17 ` Eric Wong [this message]
2011-05-31 22:28 ` Bharanee Rathna
2011-05-31 23:48 ` Eric Wong
2011-06-01 0:31 ` Bharanee Rathna
2011-06-01 0:44 ` Bharanee Rathna
2011-06-01 16:48 ` Eric Wong
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