From: Arnd Bergmann <arnd@arndb.de>
To: Naresh Kamboju <naresh.kamboju@linaro.org>
Cc: lkft-triage@lists.linaro.org, Michal Hocko <mhocko@kernel.org>,
linux-mm <linux-mm@kvack.org>, Yafang Shao <laoar.shao@gmail.com>,
Andreas Dilger <adilger.kernel@dilger.ca>,
Cgroups <cgroups@vger.kernel.org>,
Andrea Arcangeli <aarcange@redhat.com>,
Anders Roxell <anders.roxell@linaro.org>,
Hugh Dickins <hughd@google.com>,
Matthew Wilcox <willy@infradead.org>,
Linux-Next Mailing List <linux-next@vger.kernel.org>,
linux-ext4 <linux-ext4@vger.kernel.org>,
linux-block <linux-block@vger.kernel.org>,
Jaegeuk Kim <jaegeuk@kernel.org>, Theodore Ts'o <tytso@mit.edu>,
Chris Down <chris@chrisdown.name>,
open list <linux-kernel@vger.kernel.org>,
"Linux F2FS DEV,
Mailing List" <linux-f2fs-devel@lists.sourceforge.net>,
Johannes Weiner <hannes@cmpxchg.org>,
Andrew Morton <akpm@linux-foundation.org>,
Roman Gushchin <guro@fb.com>
Subject: Re: [f2fs-dev] mm: mkfs.ext4 invoked oom-killer on i386 - pagecache_get_page
Date: Thu, 21 May 2020 11:35:49 +0200 [thread overview]
Message-ID: <CAK8P3a2Yna-BD+M6-+Y2Go_Y0ZXx8_7KMud7JxSfPbG8+-Q7Wg@mail.gmail.com> (raw)
In-Reply-To: <CA+G9fYt1qvGQTAdUZ4WgitY18cydgnNzqu_fyoTtSm3W8JhF3w@mail.gmail.com>
On Thu, May 21, 2020 at 11:22 AM Naresh Kamboju
<naresh.kamboju@linaro.org> wrote:
> On Thu, 21 May 2020 at 00:39, Chris Down <chris@chrisdown.name> wrote:
> > Since you have i386 hardware available, and I don't, could you please apply
> > only "avoid stale protection" again and check if it only happens with that
> > commit, or requires both? That would help narrow down the suspects.
Note that Naresh is running an i386 kernel on regular 64-bit hardware that
most people have access to.
> kernel config link,
> https://builds.tuxbuild.com/8lg6WQibcwtQRRtIa0bcFA/kernel.config
Do you know if the same bug shows up running a kernel with that
configuration in qemu? I would expect it to, and that would make
it much easier to reproduce.
I would also not be surprised if it happens on all architectures but only
shows up on the 32-bit arm and x86 machines first because they have
a rather limited amount of lowmem. Maybe booting a 64-bit kernel
with "mem=512M" and then running "dd if=/dev/sda of=/dev/null bs=1M"
will also trigger it. I did not attempt to run this myself.
Arnd
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next prev parent reply other threads:[~2020-05-21 10:01 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-01 12:38 [f2fs-dev] mm: mkfs.ext4 invoked oom-killer on i386 - pagecache_get_page Naresh Kamboju
2020-05-01 20:58 ` Andrew Morton
2020-05-18 14:10 ` Naresh Kamboju
2020-05-19 7:52 ` Michal Hocko
2020-05-19 8:11 ` Arnd Bergmann
2020-05-19 8:45 ` Michal Hocko
2020-05-20 11:56 ` Naresh Kamboju
2020-05-20 17:59 ` Naresh Kamboju
2020-05-20 19:09 ` Chris Down
2020-05-21 9:22 ` Naresh Kamboju
2020-05-21 9:35 ` Arnd Bergmann [this message]
2020-05-21 9:55 ` Michal Hocko
2020-05-21 10:41 ` Naresh Kamboju
2020-05-21 10:58 ` Michal Hocko
2020-05-21 12:24 ` Hugh Dickins via Linux-f2fs-devel
2020-05-21 12:44 ` Michal Hocko
2020-05-21 19:17 ` Johannes Weiner
2020-05-21 20:06 ` Hugh Dickins via Linux-f2fs-devel
2020-05-21 21:58 ` Johannes Weiner
2020-05-21 23:35 ` Hugh Dickins via Linux-f2fs-devel
2020-05-28 14:59 ` Michal Hocko
2020-05-21 16:34 ` Michal Hocko
2020-05-21 19:00 ` Naresh Kamboju
2020-05-21 20:53 ` Naresh Kamboju
2020-05-28 15:03 ` Michal Hocko
2020-05-28 16:17 ` Naresh Kamboju
2020-05-28 16:41 ` Chris Down
2020-05-29 1:50 ` Yafang Shao
2020-05-29 1:56 ` Chris Down
2020-05-29 9:49 ` Michal Hocko
2020-06-11 9:55 ` Michal Hocko
2020-06-12 9:43 ` Naresh Kamboju
2020-06-12 12:09 ` Michal Hocko
2020-06-17 13:37 ` Naresh Kamboju
2020-06-17 13:57 ` Chris Down
2020-06-17 14:11 ` Michal Hocko
2020-06-17 15:53 ` Naresh Kamboju
2020-06-17 16:06 ` Michal Hocko
2020-06-17 20:13 ` Naresh Kamboju
2020-06-17 21:09 ` Chris Down
2020-06-18 1:43 ` Yafang Shao
2020-06-18 12:37 ` Chris Down
2020-06-18 12:41 ` Michal Hocko
2020-06-18 12:49 ` Chris Down
2020-06-18 14:59 ` Yafang Shao
2020-06-17 13:59 ` Michal Hocko
2020-06-17 14:08 ` Chris Down
2020-05-21 2:39 ` Yafang Shao
2020-05-21 8:58 ` Naresh Kamboju
2020-05-21 9:47 ` Yafang Shao
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