From: Vegard Nossum <vegard.nossum@gmail.com>
To: LKML <linux-kernel@vger.kernel.org>,
Linux Memory Management List <linux-mm@kvack.org>
Cc: Hugh Dickins <hughd@google.com>,
Mel Gorman <mgorman@techsingularity.net>,
"Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: v4.18.0+ WARNING: at mm/vmscan.c:1756 isolate_lru_page + bad page state
Date: Mon, 10 Sep 2018 08:47:32 +0200 [thread overview]
Message-ID: <CAOMGZ=GometWFFaFYmv7y=ByG=VjjarE=-Yic7sSK15uRtw0EA@mail.gmail.com> (raw)
In-Reply-To: <CAOMGZ=G52R-30rZvhGxEbkTw7rLLwBGadVYeo--iizcD3upL3A@mail.gmail.com>
On Thu, 30 Aug 2018 at 15:31, Vegard Nossum <vegard.nossum@gmail.com> wrote:
>
> Hi,
>
> Got this on a recent kernel (pretty sure it was
> 2ad0d52699700a91660a406a4046017a2d7f246a but annoyingly the oops
> itself doesn't tell me the exact version):
>
> ------------[ cut here ]------------
> trying to isolate tail page
> WARNING: CPU: 2 PID: 19156 at mm/vmscan.c:1756 isolate_lru_page+0x235/0x250
[...]
> I don't have the capacity to debug it atm and it may even have been
> fixed in mainline (though searching didn't yield any other reports
> AFAICT).
>
> I have .config and vmlinux (with DEBUG_INFO=y) if needed.
>
> It's not reproducible for the time being.
Just a quick follow-up: I have a reproducer and Kirill Shutemov has
identified the problem and provided a tentative patch.
Vegard
prev parent reply other threads:[~2018-09-10 6:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-30 13:31 Vegard Nossum
2018-09-10 6:47 ` Vegard Nossum [this message]
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