linux-kernel - Re: 2.6.18: Kernel BUG at mm/rmap.c:522

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Message-ID: <20061012072835.GA9274@redhat.com>
Date:	Thu, 12 Oct 2006 03:28:35 -0400
From:	Dave Jones <davej@...hat.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	Michael Harris <googlegroups@...arris.com>,
	linux-kernel@...r.kernel.org, Hugh Dickins <hugh@...itas.com>
Subject: Re: 2.6.18: Kernel BUG at mm/rmap.c:522

On Thu, Oct 12, 2006 at 12:00:26AM -0700, Andrew Morton wrote:
 
 > > ----------------
 > > Oct 11 04:53:35 hen kernel: VM: killing process cc1
 > > Oct 11 04:53:35 hen kernel: swap_free: Unused swap offset entry 00004000
 > > Oct 11 04:53:35 hen kernel: Eeek! page_mapcount(page) went negative! (-1)
 > > Oct 11 04:53:35 hen kernel:   page->flags = c0080014
 > > Oct 11 04:53:35 hen kernel:   page->count = 0
 > > Oct 11 04:53:35 hen kernel:   page->mapping = 00000000
 > > Oct 11 04:53:35 hen kernel: ------------[ cut here ]------------
 > > Oct 11 04:53:35 hen kernel: kernel BUG at mm/rmap.c:522!
 > 
 > Does that machine run any earlier kernels OK?  If so, which?

FWIW, I've seen a bunch of reports of this being triggered in Fedora bugzilla
which have had the nvidia module loaded.  Is that the case here ?

	Dave

-- 
http://www.codemonkey.org.uk
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