linux-ext4 - Re: OpenPosix test case mmap_11-4 fails in ext4 filesystem

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Message-ID: <alpine.LFD.2.00.1405211715360.2114@localhost.localdomain>
Date:	Wed, 21 May 2014 17:18:24 +0200 (CEST)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	"Theodore Ts'o" <tytso@....edu>
cc:	Xiaoguang Wang <wangxg.fnst@...fujitsu.com>,
	linux-ext4@...r.kernel.org, chrubis@...e.cz
Subject: Re: OpenPosix test case mmap_11-4 fails in ext4 filesystem

On Wed, 21 May 2014, Theodore Ts'o wrote:

> Date: Wed, 21 May 2014 10:12:03 -0400
> From: Theodore Ts'o <tytso@....edu>
> To: Lukáš Czerner <lczerner@...hat.com>
> Cc: Xiaoguang Wang <wangxg.fnst@...fujitsu.com>, linux-ext4@...r.kernel.org,
>     chrubis@...e.cz
> Subject: Re: OpenPosix test case mmap_11-4 fails in ext4 filesystem
> 
> On Wed, May 21, 2014 at 02:55:12PM +0200, Lukáš Czerner wrote:
> > > 
> > > Recently I met the mmap_11-4 fails when running LTP in RHEL7.0RC. Attached is a
> > > test program to reproduce this problem, which is written by Cyril.  Uncommenting the
> > > msync() makes the test succeed in old linux distribution, such as RHEL6.5GA, but
> > > fails in RHEL7.0RC.
> > 
> > please contact you Red Hat support to triage the issue within Red
> > Hat.
> 
> This is a valid bug report which applies to upstream ext4.  It also
> applies to tmpfs, by the way.

I am not disputing it, but since he seems to be using RHEL I am
asking for the triage with Red Hat support.

Thanks!
-Lukas