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From: Benjamin Herrenschmidt <benh@kernel•crashing.org>
To: Mel Gorman <mel@csn•ul.ie>
Cc: linuxppc-dev@ozlabs•org,
	Linus Torvalds <torvalds@linux-foundation•org>,
	Linux Kernel Mailing List <linux-kernel@vger•kernel.org>
Subject: Re: [BUG] 2.6.30-rc3: BUG triggered on some hugepage usages
Date: Mon, 27 Apr 2009 18:15:38 +1000	[thread overview]
Message-ID: <1240820138.7169.10.camel@pasglop> (raw)
In-Reply-To: <20090424095116.GB14283@csn.ul.ie>

On Fri, 2009-04-24 at 10:51 +0100, Mel Gorman wrote:
> I'm seeing some tests with sysbench+postgres+large pages fail on ppc64
> although a very clear pattern is not forming as to what exactly is
> causing it. However, the libhugetlbfs regression tests (make && make
> func) are triggering the following oops when calling mlock() and so
> are
> likely related.

This would be a spurrious WARN_ON().. the test I added in there should
not apply to huge pages. However, I don't see that causing a functional
problem with sysbench+postgres

Ben.

      parent reply	other threads:[~2009-04-27  8:17 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <alpine.LFD.2.00.0904212014170.3101@localhost.localdomain>
2009-04-24  9:51 ` [BUG] 2.6.30-rc3: BUG triggered on some hugepage usages Mel Gorman
2009-04-24 15:24   ` Michael Ellerman
2009-04-30 20:59     ` Mel Gorman
2009-04-30 21:48       ` Benjamin Herrenschmidt
2009-05-18 17:13         ` Mel Gorman
2009-05-18 17:26           ` Linus Torvalds
2009-04-27  8:15   ` Benjamin Herrenschmidt [this message]

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