Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1675997

Re: next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page

From "Kirill A. Shutemov" <kirill@shutemov.name>
Newsgroups linux.kernel
Subject Re: next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page
Date 2017-06-27 18:50 +0200
Message-ID <tX1QB-3aF-5@gated-at.bofh.it> (permalink)
References <tVnse-5g3-15@gated-at.bofh.it> <tVpDI-6AF-17@gated-at.bofh.it> <tWSX0-5xZ-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


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

Back to linux.kernel | Previous | NextPrevious in thread | Find similar | Unroll thread


Thread

next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page valdis.kletnieks@vt.edu - 2017-06-23 05:30 +0200
  Re: next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page Naresh Kamboju <naresh.kamboju@linaro.org> - 2017-06-23 07:50 +0200
    Re: next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page Vlastimil Babka <vbabka@suse.cz> - 2017-06-27 09:20 +0200
      Re: next-20170620 BUG in do_page_fault / do_huge_pmd_wp_page "Kirill A. Shutemov" <kirill@shutemov.name> - 2017-06-27 18:50 +0200

csiph-web