linux-kernel - Re: 2.6.28.4 regression: mmap fails if mlockall used

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Message-Id: <200902112256.14988.rjw@sisk.pl>
Date:	Wed, 11 Feb 2009 22:56:14 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Doug Bazarnic <kernel@...arnic.net>, linux-kernel@...r.kernel.org,
	Sami Farin <safari-kernel@...ari.iki.fi>
Subject: Re: 2.6.28.4 regression: mmap fails if mlockall used

On Wednesday 11 February 2009, Hugh Dickins wrote:
> On Tue, 10 Feb 2009, Doug Bazarnic wrote:
> > I can confirm the mlock.c patch works on 2.6.28.4.  2.6.28.3 works fine.
> > This issue happens on both Centos 5.2 x86_64 and RHEL 5.3 x86_64.
> > 
> > Without the mlock.c patch, ntpd fails to start on 2.6.28.4:
> > Feb 10 22:03:19 testbox ntpd[4030]: kernel time sync status 0040
> > Feb 10 22:03:19 testbox ntpd[4030]: getaddrinfo: "127.0.0.1" invalid host
> > address, ignored
> > Feb 10 22:03:19 testbox ntpd[4030]: getaddrinfo: "::1" invalid host address,
> > ignored
> > Feb 10 22:03:19 testbox ntpd[4030]: getaddrinfo: "127.127.1.0" invalid host
> > address, ignored
> > Feb 10 22:03:19 testbox ntpd[4030]: Cannot find user `ntp'
> > Feb 10 22:03:21 testbox ntpd_initres[4034]: parent died before we finished,
> > exiting
> > 
> > Fyi.. gcc version 4.1.2 20071124 (Red Hat 4.1.2-42)
> > 
> > Thanks to Sami for mentioning ntpd failures, as I was going nuts trying to
> > figure out why my ntpd.conf file wasn't working anymore.  
> > 
> > Thanks for the patch as well.
> 
> Thanks a lot for testing and confirming:
> you should find the fix is in 2.6.28.5, due out maybe tomorrow.
> 
> Rafael, you did already close Bug #12669 - now please cancel my
> suggestion that it remain open until the fix has been confirmed ;)

Sure, it's going to stay closed. ;-)

Rafael
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