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From: Dave Jones <davej@redhat.com>
To: Sasha Levin <sasha.levin@oracle.com>,
	Hugh Dickins <hughd@google.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: Tue, 18 Mar 2014 22:11:31 -0400	[thread overview]
Message-ID: <20140319021131.GA30018@redhat.com> (raw)
In-Reply-To: <20140319020602.GA29787@redhat.com>

On Tue, Mar 18, 2014 at 10:06:02PM -0400, Dave Jones wrote:
 > On Tue, Mar 18, 2014 at 09:32:36PM -0400, Sasha Levin wrote:
 >  
 >  > > Untested patch below: I can't quite say Reported-by, because it may
 >  > > not even be one that you and Sasha have been seeing; but I'm hopeful,
 >  > > remap_file_pages is in the list.
 >  > >
 >  > > Please give this a try, preferably on 3.14-rc or earlier: I've never
 >  > > seen "Bad rss-counter"s there myself (trinity uses remap_file_pages
 >  > > a lot more than most of us); but have seen them on mmotm/next, so
 >  > > some other trigger is coming up there, I'll worry about that once
 >  > > it reaches 3.15-rc.
 >  > 
 >  > The patch fixed the "Bad rss-counter" errors I've been seeing both in
 >  > 3.14-rc7 and -next.
 >  
 > It's looking good here too so far. I'll leave it running overnight to be sure.

Of course, that isn't going to happen. Immediately after posting this, I hit the
swapops bug.  Patch does seem to have cured the bad rss counters though.

	Dave

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WARNING: multiple messages have this Message-ID (diff)
From: Dave Jones <davej@redhat.com>
To: Sasha Levin <sasha.levin@oracle.com>,
	Hugh Dickins <hughd@google.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: Tue, 18 Mar 2014 22:11:31 -0400	[thread overview]
Message-ID: <20140319021131.GA30018@redhat.com> (raw)
In-Reply-To: <20140319020602.GA29787@redhat.com>

On Tue, Mar 18, 2014 at 10:06:02PM -0400, Dave Jones wrote:
 > On Tue, Mar 18, 2014 at 09:32:36PM -0400, Sasha Levin wrote:
 >  
 >  > > Untested patch below: I can't quite say Reported-by, because it may
 >  > > not even be one that you and Sasha have been seeing; but I'm hopeful,
 >  > > remap_file_pages is in the list.
 >  > >
 >  > > Please give this a try, preferably on 3.14-rc or earlier: I've never
 >  > > seen "Bad rss-counter"s there myself (trinity uses remap_file_pages
 >  > > a lot more than most of us); but have seen them on mmotm/next, so
 >  > > some other trigger is coming up there, I'll worry about that once
 >  > > it reaches 3.15-rc.
 >  > 
 >  > The patch fixed the "Bad rss-counter" errors I've been seeing both in
 >  > 3.14-rc7 and -next.
 >  
 > It's looking good here too so far. I'll leave it running overnight to be sure.

Of course, that isn't going to happen. Immediately after posting this, I hit the
swapops bug.  Patch does seem to have cured the bad rss counters though.

	Dave


  reply	other threads:[~2014-03-19  2:11 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 [this message]
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
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

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