From: Minchan Kim <minchan@kernel.org>
To: Petr Vorel <pvorel@suse.cz>
Cc: ltp@lists.linux.it, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
Nitin Gupta <ngupta@vflare.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Jens Axboe <axboe@kernel.dk>,
OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>,
Martin Doucha <mdoucha@suse.cz>,
Yang Xu <xuyang2018.jy@fujitsu.com>
Subject: Re: [PATCH 0/1] Possible bug in zram on ppc64le on vfat
Date: Thu, 10 Nov 2022 15:04:40 -0800 [thread overview]
Message-ID: <Y22DiF5Q5EDUIrZE@google.com> (raw)
In-Reply-To: <Y2l89dt/t8M6+9go@pevik>
On Mon, Nov 07, 2022 at 10:47:33PM +0100, Petr Vorel wrote:
> Hi Minchan,
>
> > On Mon, Nov 07, 2022 at 08:11:35PM +0100, Petr Vorel wrote:
> > > Hi all,
>
> > > following bug is trying to workaround an error on ppc64le, where
> > > zram01.sh LTP test (there is also kernel selftest
> > > tools/testing/selftests/zram/zram01.sh, but LTP test got further
> > > updates) has often mem_used_total 0 although zram is already filled.
>
> > Hi, Petr,
>
> > Is it happening on only ppc64le?
> I haven't seen it on other archs (x86_64, aarch64).
>
> > Is it a new regression? What kernel version did you use?
> Found on openSUSE kernel, which uses stable kernel releases 6.0.x.
> It's probably much older, first I've seen it some years ago (I'm not able to find kernel version), but it was random. Now it's much more common.
>
> Test runs on VM (I can give qemu command or whatever you need to know about it)
> I'll try to verify it on some bare metal ppc64le.
Hi Petr and Martin,
Thanks for testing and meaning information.
Could you tell how I could create VM to run ppc64le and run the test?
I'd like to reproduce in my local to debug it.
Thanks!
next prev parent reply other threads:[~2022-11-10 23:04 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-07 19:11 [PATCH 0/1] Possible bug in zram on ppc64le on vfat Petr Vorel
2022-11-07 19:11 ` [PATCH 1/1] zram01.sh: Workaround division by 0 on vfat on ppc64le Petr Vorel
[not found] ` <CAEemH2fYv_=9UWdWB7VDiFOd8EC89qdCbxnPcTPAtGnkwLOYFg@mail.gmail.com>
2022-11-21 8:59 ` [LTP] " Petr Vorel
2022-11-07 21:25 ` [PATCH 0/1] Possible bug in zram on ppc64le on vfat Minchan Kim
2022-11-07 21:47 ` Petr Vorel
2022-11-07 22:42 ` Petr Vorel
2022-11-08 1:05 ` Sergey Senozhatsky
2022-11-09 22:08 ` Petr Vorel
2022-11-10 23:04 ` Minchan Kim [this message]
2022-11-11 9:29 ` Petr Vorel
2022-11-10 14:29 ` Martin Doucha
2022-11-11 0:48 ` Sergey Senozhatsky
2022-11-21 9:41 ` Petr Vorel
2022-11-22 14:56 ` Martin Doucha
2022-11-22 15:07 ` Petr Vorel
2022-11-29 4:38 ` Sergey Senozhatsky
2023-05-02 15:23 ` Martin Doucha
2022-11-11 9:18 ` Petr Vorel
2023-08-04 6:37 ` Ian Wienand
2023-08-07 4:44 ` Ian Wienand
2023-08-07 5:19 ` Sergey Senozhatsky
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=Y22DiF5Q5EDUIrZE@google.com \
--to=minchan@kernel.org \
--cc=axboe@kernel.dk \
--cc=hirofumi@mail.parknet.co.jp \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-kselftest@vger.kernel.org \
--cc=ltp@lists.linux.it \
--cc=mdoucha@suse.cz \
--cc=ngupta@vflare.org \
--cc=pvorel@suse.cz \
--cc=senozhatsky@chromium.org \
--cc=xuyang2018.jy@fujitsu.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).