From: Sasha Levin <sasha.levin@oracle.com>
To: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
khlebnikov@openvz.org, LKML <linux-kernel@vger.kernel.org>,
Wanpeng Li <liwanp@linux.vnet.ibm.com>,
Bob Liu <bob.liu@oracle.com>
Subject: Re: mm: kernel BUG at include/linux/swapops.h:131!
Date: Tue, 24 Dec 2013 14:27:51 -0500 [thread overview]
Message-ID: <52B9E037.1050606@oracle.com> (raw)
In-Reply-To: <20131224060705.GA16140@lge.com>
On 12/24/2013 01:07 AM, Joonsoo Kim wrote:
> On Mon, Dec 23, 2013 at 10:01:10PM -0500, Sasha Levin wrote:
>> On 12/23/2013 09:51 PM, Joonsoo Kim wrote:
>>> On Mon, Dec 23, 2013 at 12:24:02PM -0500, Sasha Levin wrote:
>>>>> Ping?
>>>>>
>>>>> I've also Cc'ed the "this page shouldn't be locked at all" team.
>>> Hello,
>>>
>>> I can't find the reason of this problem.
>>> If it is reproducible, how about bisecting?
>>
>> While it reproduces under fuzzing it's pretty hard to bisect it with
>> the amount of issues uncovered by trinity recently.
>>
>> I can add any debug code to the site of the BUG if that helps.
>
> Good!
> It will be helpful to add dump_page() in migration_entry_to_page().
[ 3800.520039] page:ffffea0000245800 count:12 mapcount:4 mapping:ffff88001d0c3668 index:0x7de
[ 3800.521404] page flags:
0x1fffff8038003c(referenced|uptodate|dirty|lru|swapbacked|unevictable|mlocked)
[ 3800.522585] pc:ffff88001ed91600 pc->flags:2 pc->mem_cgroup:ffffc90000c0a000
Thanks,
Sasha
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next prev parent reply other threads:[~2013-12-24 19:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-18 15:37 mm: kernel BUG at include/linux/swapops.h:131! Sasha Levin
2013-12-18 15:41 ` Cyrill Gorcunov
2013-12-18 15:46 ` Cyrill Gorcunov
2013-12-23 17:24 ` Sasha Levin
2013-12-24 2:51 ` Joonsoo Kim
2013-12-24 3:01 ` Sasha Levin
2013-12-24 6:07 ` Joonsoo Kim
2013-12-24 7:45 ` Joonsoo Kim
2013-12-25 1:07 ` Wanpeng Li
2013-12-26 1:21 ` Bob Liu
2013-12-26 5:51 ` Konstantin Khlebnikov
2013-12-26 6:18 ` Konstantin Khlebnikov
2013-12-26 6:27 ` Wanpeng Li
2013-12-24 19:27 ` Sasha Levin [this message]
2014-01-02 6:36 ` Bob Liu
2014-01-04 2:57 ` Sasha Levin
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