From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f172.google.com (mail-ob0-f172.google.com [209.85.214.172]) by kanga.kvack.org (Postfix) with ESMTP id 2A95D6B00A4 for ; Tue, 11 Mar 2014 10:58:52 -0400 (EDT) Received: by mail-ob0-f172.google.com with SMTP id wm4so8557678obc.3 for ; Tue, 11 Mar 2014 07:58:51 -0700 (PDT) Received: from aserp1040.oracle.com (aserp1040.oracle.com. [141.146.126.69]) by mx.google.com with ESMTPS id iz10si24522770obb.13.2014.03.11.07.58.51 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Tue, 11 Mar 2014 07:58:51 -0700 (PDT) Message-ID: <531F24A6.2020409@oracle.com> Date: Tue, 11 Mar 2014 10:58:46 -0400 From: Sasha Levin MIME-Version: 1.0 Subject: Re: bad rss-counter message in 3.14rc5 References: <20140311024906.GA9191@redhat.com> <20140310201340.81994295.akpm@linux-foundation.org> <20140310214612.3b4de36a.akpm@linux-foundation.org> <20140311045109.GB12551@redhat.com> <20140310220158.7e8b7f2a.akpm@linux-foundation.org> <20140311053017.GB14329@redhat.com> <20140311132024.GC32390@moon> <531F0E39.9020100@oracle.com> <20140311134158.GD32390@moon> <20140311142817.GA26517@redhat.com> <20140311143750.GE32390@moon> In-Reply-To: <20140311143750.GE32390@moon> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Cyrill Gorcunov , Dave Jones Cc: Andrew Morton , Linux Kernel , linux-mm@kvack.org, Linus Torvalds , Joonsoo Kim , Bob Liu , Konstantin Khlebnikov On 03/11/2014 10:37 AM, Cyrill Gorcunov wrote: > On Tue, Mar 11, 2014 at 10:28:17AM -0400, Dave Jones wrote: >> On Tue, Mar 11, 2014 at 05:41:58PM +0400, Cyrill Gorcunov wrote: >> > On Tue, Mar 11, 2014 at 09:23:05AM -0400, Sasha Levin wrote: >> > > >> >> > > >>Ok, with move_pages excluded it still oopses. >> > > > >> > > >Dave, is it possible to somehow figure out was someone reading pagemap file >> > > >at moment of the bug triggering? >> > > >> > > We can sprinkle printk()s wherever might be useful, might not be 100% accurate but >> > > should be close enough to confirm/deny the theory. >> > >> > After reading some more, I suppose the idea I had is wrong, investigating. >> > Will ping if I find something. >> >> I can rule it out anyway, I can reproduce this by telling trinity to do nothing >> other than mmap()'s. I'll try and narrow down the exact parameters. > > Dave, iirc trinity can write log file pointing which exactly syscall sequence > was passed, right? Share it too please. I've sent one of those last time I reported this issue: https://lkml.org/lkml/2014/1/22/625 Thanks, Sasha -- 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: email@kvack.org