From: Dave Jones <davej@redhat.com>
To: Hugh Dickins <hughd@google.com>
Cc: Sasha Levin <sasha.levin@oracle.com>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Bob Liu <bob.liu@oracle.com>,
Konstantin Khlebnikov <koct9i@gmail.com>
Subject: Re: bad rss-counter message in 3.14rc5
Date: Wed, 19 Mar 2014 10:52:00 -0400 [thread overview]
Message-ID: <20140319145200.GA4608@redhat.com> (raw)
In-Reply-To: <alpine.LSU.2.11.1403181918130.3423@eggly.anvils>
On Tue, Mar 18, 2014 at 07:19:09PM -0700, Hugh Dickins wrote:
> Another positive on the rss counters, great, thanks Dave.
> That encourages me to think again on the swapops BUG, but no promises.
So while I slept I ran a test kernel with that swapops BUG replaced with a printk.
I'm not sure of the validity of this, given the state of the kernel afterwards
is somewhat suspect, but I did see in the logs this morning..
[18728.075153] migration_entry_to_page BUG hit
[18728.200705] BUG: Bad rss-counter state mm:ffff880241b3f500 idx:0 val:1 (Not tainted)
[18728.200706] BUG: Bad rss-counter state mm:ffff880241b3f500 idx:1 val:-1 (Not tainted)
This might be collateral damage from the swapops thing, I guess we won't know until
that gets fixed, but I thought I'd mention that we might still have a problem here.
Dave
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
WARNING: multiple messages have this Message-ID (diff)
From: Dave Jones <davej@redhat.com>
To: Hugh Dickins <hughd@google.com>
Cc: Sasha Levin <sasha.levin@oracle.com>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>,
Linux Kernel <linux-kernel@vger.kernel.org>,
linux-mm@kvack.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Joonsoo Kim <iamjoonsoo.kim@lge.com>,
Bob Liu <bob.liu@oracle.com>,
Konstantin Khlebnikov <koct9i@gmail.com>
Subject: Re: bad rss-counter message in 3.14rc5
Date: Wed, 19 Mar 2014 10:52:00 -0400 [thread overview]
Message-ID: <20140319145200.GA4608@redhat.com> (raw)
In-Reply-To: <alpine.LSU.2.11.1403181918130.3423@eggly.anvils>
On Tue, Mar 18, 2014 at 07:19:09PM -0700, Hugh Dickins wrote:
> Another positive on the rss counters, great, thanks Dave.
> That encourages me to think again on the swapops BUG, but no promises.
So while I slept I ran a test kernel with that swapops BUG replaced with a printk.
I'm not sure of the validity of this, given the state of the kernel afterwards
is somewhat suspect, but I did see in the logs this morning..
[18728.075153] migration_entry_to_page BUG hit
[18728.200705] BUG: Bad rss-counter state mm:ffff880241b3f500 idx:0 val:1 (Not tainted)
[18728.200706] BUG: Bad rss-counter state mm:ffff880241b3f500 idx:1 val:-1 (Not tainted)
This might be collateral damage from the swapops thing, I guess we won't know until
that gets fixed, but I thought I'd mention that we might still have a problem here.
Dave
next prev parent reply other threads:[~2014-03-19 14:52 UTC|newest]
Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-03-05 17:45 bad rss-counter message in 3.14rc5 Dave Jones
2014-03-05 17:45 ` Dave Jones
2014-03-05 17:57 ` Dave Jones
2014-03-05 17:57 ` Dave Jones
2014-03-07 0:22 ` Dave Jones
2014-03-07 0:22 ` Dave Jones
2014-03-11 2:49 ` Dave Jones
2014-03-11 2:49 ` Dave Jones
2014-03-11 3:13 ` Andrew Morton
2014-03-11 3:13 ` Andrew Morton
2014-03-11 4:46 ` Andrew Morton
2014-03-11 4:46 ` Andrew Morton
2014-03-11 4:50 ` Dave Jones
2014-03-11 4:50 ` Dave Jones
2014-03-11 4:51 ` Dave Jones
2014-03-11 4:51 ` Dave Jones
2014-03-11 5:01 ` Andrew Morton
2014-03-11 5:01 ` Andrew Morton
2014-03-11 5:07 ` Dave Jones
2014-03-11 5:07 ` Dave Jones
2014-03-11 5:30 ` Dave Jones
2014-03-11 5:30 ` Dave Jones
2014-03-11 12:55 ` Sasha Levin
2014-03-11 12:55 ` Sasha Levin
2014-03-11 13:20 ` Cyrill Gorcunov
2014-03-11 13:20 ` Cyrill Gorcunov
2014-03-11 13:23 ` Sasha Levin
2014-03-11 13:23 ` Sasha Levin
2014-03-11 13:41 ` Cyrill Gorcunov
2014-03-11 13:41 ` Cyrill Gorcunov
2014-03-11 14:28 ` Dave Jones
2014-03-11 14:28 ` Dave Jones
2014-03-11 14:37 ` Cyrill Gorcunov
2014-03-11 14:37 ` Cyrill Gorcunov
2014-03-11 14:58 ` Sasha Levin
2014-03-11 14:58 ` Sasha Levin
2014-03-11 17:10 ` Dave Jones
2014-03-11 17:10 ` Dave Jones
2014-03-11 17:36 ` Cyrill Gorcunov
2014-03-11 17:36 ` Cyrill Gorcunov
2014-03-11 17:39 ` Dave Jones
2014-03-11 17:39 ` Dave Jones
2014-03-14 12:27 ` Cyrill Gorcunov
2014-03-14 12:27 ` Cyrill Gorcunov
2014-03-19 0:38 ` Hugh Dickins
2014-03-19 0:38 ` Hugh Dickins
2014-03-19 1:10 ` Linus Torvalds
2014-03-19 1:10 ` Linus Torvalds
2014-03-19 2:06 ` Hugh Dickins
2014-03-19 2:06 ` Hugh Dickins
2014-03-19 2:24 ` Linus Torvalds
2014-03-19 2:24 ` Linus Torvalds
2014-03-19 2:37 ` Hugh Dickins
2014-03-19 2:37 ` Hugh Dickins
2014-03-19 2:57 ` Linus Torvalds
2014-03-19 2:57 ` Linus Torvalds
2014-03-19 11:04 ` Jan Kara
2014-03-19 11:04 ` Jan Kara
2014-03-19 1:32 ` Sasha Levin
2014-03-19 1:32 ` Sasha Levin
2014-03-19 2:06 ` Dave Jones
2014-03-19 2:06 ` Dave Jones
2014-03-19 2:11 ` Dave Jones
2014-03-19 2:11 ` Dave Jones
2014-03-19 2:19 ` Hugh Dickins
2014-03-19 2:19 ` Hugh Dickins
2014-03-19 14:52 ` Dave Jones [this message]
2014-03-19 14:52 ` Dave Jones
2014-03-20 5:00 ` Hugh Dickins
2014-03-20 5:00 ` Hugh Dickins
2014-03-20 13:51 ` Dave Jones
2014-03-20 13:51 ` Dave Jones
2014-03-20 14:19 ` Sasha Levin
2014-03-20 14:19 ` Sasha Levin
2014-03-21 4:46 ` Hugh Dickins
2014-03-21 4:46 ` Hugh Dickins
2014-03-19 2:12 ` Hugh Dickins
2014-03-19 2:12 ` Hugh Dickins
2014-03-19 2:42 ` Sasha Levin
2014-03-19 2:42 ` Sasha Levin
2014-03-19 12:04 ` Cyrill Gorcunov
2014-03-19 12:04 ` Cyrill Gorcunov
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=20140319145200.GA4608@redhat.com \
--to=davej@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=bob.liu@oracle.com \
--cc=gorcunov@gmail.com \
--cc=hughd@google.com \
--cc=iamjoonsoo.kim@lge.com \
--cc=koct9i@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=sasha.levin@oracle.com \
--cc=torvalds@linux-foundation.org \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.