linux-kernel - Re: WARNING: at mm/page-writeback.c:1990 __set_page_dirty

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Message-ID: <20120601161640.GA329@x4>
Date:	Fri, 1 Jun 2012 18:16:40 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Hugh Dickins <hughd@...gle.com>
Cc:	Dave Jones <davej@...hat.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Cong Wang <amwang@...hat.com>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org
Subject: Re: WARNING: at mm/page-writeback.c:1990
 __set_page_dirty_nobuffers+0x13a/0x170()

On 2012.06.01 at 01:44 -0700, Hugh Dickins wrote:
> On Thu, 31 May 2012, Dave Jones wrote:
> > On Wed, May 30, 2012 at 08:57:40PM -0400, Dave Jones wrote:
> >  > On Wed, May 30, 2012 at 12:33:17PM -0400, Dave Jones wrote:
> >  >  > Just saw this on Linus tree as of 731a7378b81c2f5fa88ca1ae20b83d548d5613dc
> >  >  > 
> >  >  > WARNING: at mm/page-writeback.c:1990 __set_page_dirty_nobuffers+0x13a/0x170()

I've also hit this warning today:

------------[ cut here ]------------
WARNING: at mm/page-writeback.c:1990 __set_page_dirty_nobuffers+0xea/0x120()
Hardware name: System Product Name
Pid: 4385, comm: firefox Not tainted 3.4.0-09547-gfb21aff-dirty #46
Call Trace:
 [<ffffffff8105c6c0>] ? warn_slowpath_common+0x60/0xa0
 [<ffffffff810ba44a>] ? __set_page_dirty_nobuffers+0xea/0x120
 [<ffffffff810e4db0>] ? migrate_page_copy+0x150/0x160
 [<ffffffff810e4e2d>] ? migrate_page+0x4d/0x80
 [<ffffffff810e4edd>] ? move_to_new_page+0x7d/0x220
 [<ffffffff810c9e40>] ? suitable_migration_target.isra.12+0x1a0/0x1a0
 [<ffffffff810e55a8>] ? migrate_pages+0x3c8/0x460
 [<ffffffff810caa44>] ? compact_zone+0x1c4/0x2c0
 [<ffffffff810cad42>] ? compact_zone_order+0x82/0xc0
 [<ffffffff810cae4a>] ? try_to_compact_pages+0xca/0x140
 [<ffffffff81551f11>] ? __alloc_pages_direct_compact+0xa7/0x18f
 [<ffffffff810b8a30>] ? __alloc_pages_nodemask+0x3b0/0x7a0
 [<ffffffff810e884d>] ? do_huge_pmd_anonymous_page+0x10d/0x2a0
 [<ffffffff8105301b>] ? do_page_fault+0xfb/0x400
 [<ffffffff810d46bd>] ? mmap_region+0x1dd/0x540
 [<ffffffff81559f2f>] ? page_fault+0x1f/0x30
---[ end trace 7d7c821044142576 ]---

-- 
Markus
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