From: Andrew Morton <akpm@osdl.org>
To: Michael Harris <googlegroups@mgharris.com>
Cc: linux-kernel@vger.kernel.org, Hugh Dickins <hugh@veritas.com>
Subject: Re: 2.6.18: Kernel BUG at mm/rmap.c:522
Date: Thu, 12 Oct 2006 00:00:26 -0700 [thread overview]
Message-ID: <20061012000026.8b6ea2e5.akpm@osdl.org> (raw)
In-Reply-To: <20061011160740.GA6868@dingu.igconcepts.com>
On Wed, 11 Oct 2006 11:07:40 -0500
Michael Harris <googlegroups@mgharris.com> wrote:
> Hi, I can readily reproduce this with 2.6.18 doing 4 simultanous kernel
> compiles on two disks to load test a P4 3.2 HT with 2GB. I have SMP and
> SMT scheduling enabled, and the 4GB memory option. Here is output with
> CONFIG_DEBUG_VM enabled followed by another crash before CONFIG_DEBUG_VM
> was enabled.
Repeatable. That's good news.
>
> [*ROOT* hen /usr/src/linux-2.6.18 14 ] uname -a
> Linux hen.igconcepts.com 2.6.18 #2 SMP Tue Oct 10 11:46:01 CDT 2006 i686 i686 i386 GNU/Linux
> [*ROOT* hen /usr/src/linux-2.6.18 15 ] gcc -v
> Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.2/specs
> Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --with-system-zlib --enable-__cxa_atexit --host=i386-redhat-linux
> Thread model: posix
> gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)
>
>
> ----------------
> 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?
Thanks.
next prev parent reply other threads:[~2006-10-12 7:00 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-11 16:07 Michael Harris
2006-10-12 7:00 ` Andrew Morton [this message]
2006-10-12 7:28 ` Dave Jones
2006-10-12 8:16 ` Nick Piggin
2006-10-12 14:19 ` Michael Harris
2006-10-12 17:42 ` Nick Piggin
-- strict thread matches above, loose matches on Subject: below --
2006-10-04 10:40 Andre Noll
2006-10-04 13:59 ` Nick Piggin
2006-10-04 15:42 ` Andre Noll
2006-10-04 15:49 ` Peter Zijlstra
2006-10-04 16:12 ` Andre Noll
2006-10-04 20:39 ` Dave Jones
2006-10-05 6:28 ` Nick Piggin
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