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From: huang ying <huang.ying.caritas@gmail.com>
To: Mikhail Gavrilov <mikhail.v.gavrilov@gmail.com>
Cc: Linux List Kernel Mailing <linux-kernel@vger.kernel.org>,
	linux-mm@kvack.org, Huang Ying <ying.huang@intel.com>
Subject: Re: kernel BUG at mm/swap_state.c:170!
Date: Mon, 22 Jul 2019 09:37:37 +0800	[thread overview]
Message-ID: <CAC=cRTMz5S636Wfqdn3UGbzwzJ+v_M46_juSfoouRLS1H62orQ@mail.gmail.com> (raw)
In-Reply-To: <CABXGCsN9mYmBD-4GaaeW_NrDu+FDXLzr_6x+XNxfmFV6QkYCDg@mail.gmail.com>

Hi, Mikhail,

On Wed, May 29, 2019 at 12:05 PM Mikhail Gavrilov
<mikhail.v.gavrilov@gmail.com> wrote:
>
> Hi folks.
> I am observed kernel panic after update to git tag 5.2-rc2.
> This crash happens at memory pressing when swap being used.
>
> Unfortunately in journalctl saved only this:
>
> May 29 08:02:02 localhost.localdomain kernel: page:ffffe90958230000
> refcount:1 mapcount:1 mapping:ffff8f3ffeb36949 index:0x625002ab2
> May 29 08:02:02 localhost.localdomain kernel: anon
> May 29 08:02:02 localhost.localdomain kernel: flags:
> 0x17fffe00080034(uptodate|lru|active|swapbacked)
> May 29 08:02:02 localhost.localdomain kernel: raw: 0017fffe00080034
> ffffe90944640888 ffffe90956e208c8 ffff8f3ffeb36949
> May 29 08:02:02 localhost.localdomain kernel: raw: 0000000625002ab2
> 0000000000000000 0000000100000000 ffff8f41aeeff000
> May 29 08:02:02 localhost.localdomain kernel: page dumped because:
> VM_BUG_ON_PAGE(entry != page)
> May 29 08:02:02 localhost.localdomain kernel: page->mem_cgroup:ffff8f41aeeff000
> May 29 08:02:02 localhost.localdomain kernel: ------------[ cut here
> ]------------
> May 29 08:02:02 localhost.localdomain kernel: kernel BUG at mm/swap_state.c:170!

I am trying to reproduce this bug.  Can you give me some information
about your test case?

Best Regards,
Huang, Ying

  parent reply	other threads:[~2019-07-22  1:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-29  4:05 kernel BUG at mm/swap_state.c:170! Mikhail Gavrilov
2019-05-29 17:32 ` Mikhail Gavrilov
2019-05-29 18:09   ` Michal Hocko
2019-05-29 19:28     ` Mikhail Gavrilov
2019-06-05 20:07     ` Mikhail Gavrilov
2019-06-11  3:59     ` Mikhail Gavrilov
2019-06-16 10:12       ` Mikhail Gavrilov
2019-06-17 12:17         ` Vlastimil Babka
2019-06-17 20:09           ` Mikhail Gavrilov
2019-06-30 21:15           ` Mikhail Gavrilov
2019-07-05 15:19             ` Mikhail Gavrilov
2019-07-05 23:03               ` Jan Kara
2019-07-06  2:39                 ` Linus Torvalds
2019-06-17 12:47   ` Vlastimil Babka
2019-07-22  1:37 ` huang ying [this message]
2019-07-22  7:31   ` Mikhail Gavrilov
2019-07-22  7:52     ` Huang, Ying
2019-07-22  7:56       ` Mikhail Gavrilov
2019-07-23  5:08         ` Huang, Ying
2019-07-25  6:17           ` Mikhail Gavrilov
2019-07-25  7:14             ` Huang, Ying
2019-07-25 11:44           ` Matthew Wilcox
2019-07-26  3:20             ` Huang, Ying

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