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From: Mel Gorman <mel@csn.ul.ie>
To: Chris Mason <chris.mason@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Jens Axboe <jaxboe@fusionio.com>, linux-mm <linux-mm@kvack.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Andrea Arcangeli <aarcange@redhat.com>,
	Shaohua Li <shaohua.li@intel.com>
Subject: Re: hunting an IO hang
Date: Mon, 17 Jan 2011 17:09:07 +0000	[thread overview]
Message-ID: <20110117170907.GC27152@csn.ul.ie> (raw)
In-Reply-To: <1295276272-sup-1788@think>

On Mon, Jan 17, 2011 at 10:02:47AM -0500, Chris Mason wrote:
> Excerpts from Chris Mason's message of 2011-01-17 09:07:40 -0500:
> 
> [ various crashes under load with current git ]
> 
> > 
> > I did have CONFIG_COMPACTION off for my latest reproduce.  The last two
> > have been corruption on the page->lru lists, maybe that'll help narrow
> > our bisect pool down.
> 
> I've reverted 744ed1442757767ffede5008bb13e0805085902e, and
> d8505dee1a87b8d41b9c4ee1325cd72258226fbc and the run has lasted longer
> than any runs in the past.
> 

Confirmed that reverting these patches makes the problem unreproducible
for the many_dd's + fsmark for at least an hour here.

> I'll give this a few hours but they seem the most related to my various
> crashes so far.
> 
> -chris
> 

-- 
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab

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  parent reply	other threads:[~2011-01-17 17:09 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <1295225684-sup-7168@think>
     [not found] ` <AANLkTikBamG2NG6j-z9fyTx=mk6NXFEE7LpB5z9s6ufr@mail.gmail.com>
     [not found]   ` <4D339C87.30100@fusionio.com>
     [not found]     ` <1295228148-sup-7379@think>
     [not found]       ` <AANLkTimp6ef0W_=ijW=CfH6iC1mQzW3gLr1LZivJ5Bmd@mail.gmail.com>
     [not found]         ` <AANLkTimr3hN8SDmbwv98hkcVfWoh9tioYg4M+0yanzpb@mail.gmail.com>
     [not found]           ` <1295229722-sup-6494@think>
2011-01-17  2:30             ` hunting an IO hang Andrew Morton
2011-01-17  2:41               ` Chris Mason
2011-01-17  5:11                 ` Andrea Arcangeli
2011-01-17 13:48                   ` Minchan Kim
2011-01-17 14:10                   ` Chris Mason
2011-01-17 14:26                     ` Andrea Arcangeli
2011-01-17 14:47                       ` Minchan Kim
2011-01-17 15:09                         ` Minchan Kim
2011-01-17 20:39                           ` Andrea Arcangeli
2011-01-17 10:27                 ` Mel Gorman
2011-01-17 13:21                   ` Chris Mason
2011-01-17 13:50                     ` Mel Gorman
2011-01-17 14:07                       ` Chris Mason
2011-01-17 15:02                         ` Chris Mason
2011-01-17 16:32                           ` Johannes Weiner
2011-01-17 18:10                             ` Mel Gorman
2011-01-17 17:09                           ` Mel Gorman [this message]
2011-01-17 17:40                             ` Chris Mason
2011-01-17 18:24                               ` Linus Torvalds
2011-01-17 21:23                                 ` Chris Mason
2011-01-17 23:03                                   ` Mel Gorman
2011-01-18  0:30                                     ` Shaohua Li
2011-01-17 23:02                                 ` Linus Torvalds
2011-01-17 23:13                                   ` Minchan Kim

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