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SubjectRe: mm: kernel BUG at include/linux/swapops.h:131!
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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