From: Badari Pulavarty <pbadari@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-mm <linux-mm@kvack.org>, Andy Whitcroft <apw@shadowen.org>,
Christoph Lameter <clameter@sgi.com>
Subject: Re: 2.6.21-rc7-mm1 on test.kernel.org
Date: Tue, 24 Apr 2007 16:59:29 -0700 [thread overview]
Message-ID: <1177459170.1281.5.camel@dyn9047017100.beaverton.ibm.com> (raw)
In-Reply-To: <20070424130601.4ab89d54.akpm@linux-foundation.org>
On Tue, 2007-04-24 at 13:06 -0700, Andrew Morton wrote:
> An amd64 machine is crashing badly.
>
> http://test.kernel.org/abat/84767/debug/console.log
>
> VFS: Mounted root (ext3 filesystem) readonly.
> Freeing unused kernel memory: 308k freed
> INIT: version 2.86 booting
> Bad page state in process 'init'
> page:ffff81007e492628 flags:0x0100000000000000 mapping:0000000000000000 mapcount:0 count:1
> Trying to fix it up, but a reboot is needed
> Backtrace:
>
> Call Trace:
> [<ffffffff80250d3c>] bad_page+0x74/0x10d
> [<ffffffff80253090>] free_hot_cold_page+0x8d/0x172
...
>
> So free_pgd_range() is freeing a refcount=1 page. Can anyone see what
> might be causing this? The quicklist code impacts this area more than
> anything else..
>
Yep. quicklist patches are causing these.
making CONFIG_QUICKLIST=n didn't solve the problem. I had
to back out all quicklist patches to make my machine boot.
Thanks,
Badari
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next prev parent reply other threads:[~2007-04-24 23:59 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-24 20:06 Andrew Morton
2007-04-24 20:21 ` Christoph Lameter
2007-04-24 20:27 ` Andrew Morton
2007-04-24 20:32 ` Christoph Lameter
2007-04-24 20:43 ` Andrew Morton
2007-04-24 20:52 ` Christoph Lameter
2007-04-24 21:12 ` Andy Whitcroft
2007-04-24 21:18 ` Andrew Morton
2007-04-24 21:30 ` Christoph Lameter
2007-04-24 21:36 ` Andrew Morton
2007-04-24 21:46 ` Andy Whitcroft
2007-04-25 0:16 ` Andy Whitcroft
2007-04-25 0:34 ` Badari Pulavarty
2007-04-25 0:44 ` Andy Whitcroft
2007-04-25 1:03 ` Badari Pulavarty
2007-04-25 6:39 ` Christoph Lameter
2007-04-25 8:21 ` Andy Whitcroft
2007-04-25 8:40 ` Andrew Morton
2007-04-25 15:15 ` Christoph Lameter
2007-04-24 21:53 ` Christoph Lameter
2007-04-24 22:27 ` Badari Pulavarty
2007-04-24 22:51 ` Andrew Morton
2007-04-24 23:32 ` Andy Whitcroft
2007-04-25 0:07 ` Andy Whitcroft
2007-04-25 0:51 ` Badari Pulavarty
2007-04-25 1:22 ` Andrew Morton
2007-04-25 6:23 ` Christoph Lameter
2007-04-25 6:38 ` Andrew Morton
2007-04-25 6:58 ` Christoph Lameter
2007-04-25 6:21 ` Christoph Lameter
2007-04-24 23:59 ` Badari Pulavarty [this message]
2007-04-25 1:26 ` Andrew Morton
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