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From: Eric Wong <normalperson@yhbt.net>
Newsgroups: gmane.comp.lang.ruby.raindrops.general
Subject: Re: weird /proc/net/unix issue on CentOS 5.7 / 2.6.18-274.7.1.el5
Date: Thu, 21 Jun 2012 01:13:51 +0000
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Eric Wong <normalperson@yhbt.net> wrote:
> Hey all, I encountered a strange bug on CentOS 5.7 servers running the
> 2.6.18-274.7.1.el5 kernel.  I'm not sure if/which newer versions fix
> this and will report back if/when I find this.  I can't reproduce the
> issue on a vanilla 3.4.2 Linux kernel nor on older CentOS 5.4 machines.
> 
> (Pointers to repositories appreciated, RH doesn't it seem to make it
> easy to find their kernel git repositories (if they're public at all))

OK, there seems to be a fix in newer kernels.  Hopefully I can
get these machines upgraded soon to test.

* Wed Nov 23 2011 Jarod Wilson <jarod@redhat.com> [2.6.18-299.el5]
<snip>
- [fs] proc: Fix select on /proc files without ->poll (David Howells) [751214]

Fwiw,
http://mirrors.kernel.org/redhat/redhat/linux/enterprise/5Server/en/os/SRPMS/kernel-2.6.18-308.8.2.el5.src.rpm
contains a giant 93M patch file :<