From: Andrew Morton <akpm@linux-foundation.org>
To: linux-mm@kvack.org
Cc: bugme-daemon@bugzilla.kernel.org, starlight@binnacle.cx,
Adam Litke <agl@us.ibm.com>, Andy Whitcroft <apw@shadowen.org>,
David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [Bug 12134] New: can't shmat() 1GB hugepage segment from second process more than one time
Date: Mon, 1 Dec 2008 18:14:59 -0800 [thread overview]
Message-ID: <20081201181459.49d8fcca.akpm@linux-foundation.org> (raw)
In-Reply-To: <bug-12134-27@http.bugzilla.kernel.org/>
(switched to email. Please respond via emailed reply-to-all, not via the
bugzilla web interface).
On Mon, 1 Dec 2008 18:01:39 -0800 (PST) bugme-daemon@bugzilla.kernel.org wrote:
> http://bugzilla.kernel.org/show_bug.cgi?id=12134
>
> Summary: can't shmat() 1GB hugepage segment from second process
> more than one time
> Product: Memory Management
> Version: 2.5
> KernelVersion: 2.26.27.7
> Platform: All
> OS/Version: Linux
> Tree: Mainline
> Status: NEW
> Severity: high
> Priority: P1
> Component: Other
> AssignedTo: akpm@osdl.org
> ReportedBy: starlight@binnacle.cx
>
>
> Latest working kernel version: don't know
> Earliest failing kernel version: don't know
> Distribution: kernel.org
> Hardware Environment: HP DL160 G5 w/ dual E5430's & 16GB PC2-5300 FB-DIMMs
> Software Environment: F9
> Problem Description:
>
> can't shmat() 1GB hugepage segment from second process more than one time
>
> Steps to reproduce:
>
> create 1GB or more hugepage shmget/shmat segment
> attached at explicit virtual address 0x4_00000000
>
> run another program that attaches segment
>
> run it again, fails
>
> eventually get attached 'dmesg' output
>
> works fine under RHEL 4.6
>
>
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next parent reply other threads:[~2008-12-02 2:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-12134-27@http.bugzilla.kernel.org/>
2008-12-02 2:14 ` Andrew Morton [this message]
2008-12-02 19:24 ` [Bug 12134] New: can't shmat() 1GB hugepage segment from second process more than one time Adam Litke
2008-12-02 19:41 ` starlight
2008-12-04 3:15 ` starlight
2008-12-05 17:17 ` Adam Litke
2008-12-05 17:49 ` starlight
2008-12-05 18:57 ` Adam Litke
2008-12-05 19:04 ` starlight
2008-12-06 5:17 starlight
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