From: "Kirill A. Shutemov" <kirill@shutemov.name>
To: Vlastimil Babka <vbabka@suse.cz>,
Naresh Kamboju <naresh.kamboju@linaro.org>,
valdis.kletnieks@vt.edu
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page
Date: Tue, 27 Jun 2017 19:41:52 +0300 [thread overview]
Message-ID: <20170627164152.w5awvgpyppex6oa2@node.shutemov.name> (raw)
In-Reply-To: <dde0cb3d-ffa2-f90d-fe21-26cf5dd9383c@suse.cz>
On Tue, Jun 27, 2017 at 09:13:31AM +0200, Vlastimil Babka wrote:
> +CC Kirill, those 512 numbers smell like THP related.
>
> On 06/23/2017 07:48 AM, Naresh Kamboju wrote:
> > Hi Valdis,
> >
> > On 23 June 2017 at 08:56, <valdis.kletnieks@vt.edu> wrote:
> >> Saw this at boot of next-20170620. Not sure how I managed to hit 4 BUG in a row...
> >>
> >> Looked in 'git log -- mm/' but not seeing anything blatantly obvious.
> >>
> >> This ringing any bells? I'm not in a position to recreate or bisect this until
> >> the weekend.
> >>
> >> [ 315.409076] BUG: Bad rss-counter state mm:ffff8a223deb4640 idx:0 val:-512
> >> [ 315.412889] BUG: Bad rss-counter state mm:ffff8a223deb4640 idx:1 val:512
> >> [ 315.416694] BUG: non-zero nr_ptes on freeing mm: 1
> >> [ 315.436098] BUG: Bad page state in process gdm pfn:3e8400
> >> [ 315.439802] page:ffffe8af0fa10000 count:-1 mapcount:0 mapping: (null) index:0x1
Could you check this helps:
http://lkml.kernel.org/r/20170627163734.6js4jkwkwlz6xwir@black.fi.intel.com
--
Kirill A. Shutemov
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prev parent reply other threads:[~2017-06-27 16:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-23 3:26 next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page valdis.kletnieks
2017-06-23 5:48 ` Naresh Kamboju
2017-06-27 7:13 ` Vlastimil Babka
2017-06-27 16:41 ` Kirill A. Shutemov [this message]
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