From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Mel Gorman <mel@csn.ul.ie>,
linux-kernel <linux-kernel@vger.kernel.org>,
Linux MM <linux-mm@kvack.org>,
hugh.dickins@tiscali.co.uk,
pm list <linux-pm@lists.linux-foundation.org>,
Kernel Testers List <kernel-testers@vger.kernel.org>,
Alan Jenkins <sourcejedi.lkml@googlemail.com>
Subject: Re: s2disk hang update
Date: Wed, 24 Feb 2010 10:20:37 +0900 [thread overview]
Message-ID: <20100224102037.2cca4f83.kamezawa.hiroyu__46075.3313186162$1266974723$gmane$org@jp.fujitsu.com> (raw)
In-Reply-To: <201002232213.56455.rjw@sisk.pl>
On Tue, 23 Feb 2010 22:13:56 +0100
"Rafael J. Wysocki" <rjw@sisk.pl> wrote:
> Well, it still looks like we're waiting for create_workqueue_thread() to
> return, which probably is trying to allocate memory for the thread
> structure.
>
> My guess is that the preallocated memory pages freed by
> free_unnecessary_pages() go into a place from where they cannot be taken for
> subsequent NOIO allocations. I have no idea why that happens though.
>
> To test that theory you can try to change GFP_IOFS to GFP_KERNEL in the
> calls to clear_gfp_allowed_mask() in kernel/power/hibernate.c (and in
> kernel/power/suspend.c for completness).
>
If allocation of kernel threads for stop_machine_run() is the problem,
What happens when
1. use CONIFG_4KSTACK
or
2. make use of stop_machine_create(), stop_machine_destroy().
A new interface added by this commit.
http://git.kernel.org/?p=linux/kernel/git/torvalds/ linux-2.6.git;a=commit;h=9ea09af3bd3090e8349ca2899ca2011bd94cda85
You can do no-fail stop_machine_run().
Thanks,
-Kame
next prev parent reply other threads:[~2010-02-24 1:20 UTC|newest]
Thread overview: 86+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-02 15:03 s2disk hang update Alan Jenkins
2010-01-02 15:03 ` Alan Jenkins
2010-01-02 20:38 ` Rafael J. Wysocki
2010-01-02 20:38 ` Rafael J. Wysocki
2010-01-02 20:38 ` Rafael J. Wysocki
2010-02-02 14:21 ` Alan Jenkins
2010-02-02 14:21 ` Alan Jenkins
2010-02-02 20:34 ` Rafael J. Wysocki
2010-02-02 20:34 ` Rafael J. Wysocki
2010-02-03 11:14 ` Alan Jenkins
2010-02-09 16:36 ` Alan Jenkins
2010-02-09 16:36 ` Alan Jenkins
2010-02-15 23:08 ` Rafael J. Wysocki
2010-02-15 23:08 ` Rafael J. Wysocki
2010-02-16 11:09 ` Alan Jenkins
2010-02-16 11:09 ` Alan Jenkins
2010-02-16 15:12 ` Alan Jenkins
2010-02-16 15:12 ` Alan Jenkins
2010-02-16 15:12 ` Alan Jenkins
2010-02-16 21:16 ` Rafael J. Wysocki
2010-02-16 21:16 ` Rafael J. Wysocki
2010-02-16 21:16 ` Rafael J. Wysocki
2010-02-17 11:27 ` Alan Jenkins
2010-02-17 11:27 ` Alan Jenkins
2010-02-17 11:27 ` Alan Jenkins
2010-02-17 19:58 ` Rafael J. Wysocki
2010-02-17 19:58 ` Rafael J. Wysocki
2010-02-18 12:53 ` Alan Jenkins
2010-02-18 12:53 ` Alan Jenkins
2010-02-18 12:53 ` Alan Jenkins
2010-02-18 20:04 ` Rafael J. Wysocki
2010-02-18 20:04 ` Rafael J. Wysocki
2010-02-19 11:48 ` Alan Jenkins
2010-02-19 11:48 ` Alan Jenkins
2010-02-19 11:48 ` Alan Jenkins
2010-02-21 20:47 ` Rafael J. Wysocki
2010-02-22 15:35 ` Alan Jenkins
2010-02-22 15:35 ` Alan Jenkins
2010-02-22 19:17 ` Rafael J. Wysocki
2010-02-22 19:17 ` Rafael J. Wysocki
2010-02-23 14:24 ` Alan Jenkins
2010-02-23 14:24 ` Alan Jenkins
2010-02-23 21:13 ` Rafael J. Wysocki
2010-02-23 21:13 ` Rafael J. Wysocki
2010-02-23 21:13 ` Rafael J. Wysocki
2010-02-23 21:13 ` Rafael J. Wysocki
2010-02-24 1:20 ` KAMEZAWA Hiroyuki [this message]
2010-02-24 1:20 ` KAMEZAWA Hiroyuki
2010-02-24 1:20 ` KAMEZAWA Hiroyuki
2010-02-24 1:20 ` KAMEZAWA Hiroyuki
2010-02-24 20:19 ` Alan Jenkins
2010-02-24 20:19 ` Alan Jenkins
2010-02-24 20:19 ` Alan Jenkins
2010-02-24 20:19 ` Alan Jenkins
2010-02-24 20:36 ` Rafael J. Wysocki
2010-02-24 20:36 ` Rafael J. Wysocki
2010-02-24 20:36 ` Rafael J. Wysocki
2010-02-24 20:36 ` Rafael J. Wysocki
2010-02-24 16:23 ` Alan Jenkins
2010-02-24 16:23 ` Alan Jenkins
2010-02-24 20:52 ` Rafael J. Wysocki
2010-02-24 20:52 ` Rafael J. Wysocki
2010-02-24 20:52 ` Rafael J. Wysocki
2010-02-25 13:10 ` Alan Jenkins
2010-02-25 13:10 ` Alan Jenkins
2010-02-25 13:10 ` Alan Jenkins
2010-02-25 20:04 ` Rafael J. Wysocki
2010-02-25 20:04 ` Rafael J. Wysocki
2010-02-25 20:04 ` Rafael J. Wysocki
2010-02-25 20:04 ` Rafael J. Wysocki
2010-02-26 9:26 ` Alan Jenkins
2010-02-26 9:26 ` Alan Jenkins
2010-02-26 9:26 ` Alan Jenkins
2010-02-26 9:26 ` Alan Jenkins
2010-02-25 13:10 ` Alan Jenkins
2010-02-24 20:52 ` Rafael J. Wysocki
2010-02-23 14:24 ` Alan Jenkins
2010-02-22 19:17 ` Rafael J. Wysocki
2010-02-22 15:35 ` Alan Jenkins
2010-02-18 20:04 ` Rafael J. Wysocki
2010-02-17 19:58 ` Rafael J. Wysocki
2010-02-16 11:09 ` Alan Jenkins
2010-02-15 23:08 ` Rafael J. Wysocki
2010-02-09 16:36 ` Alan Jenkins
2010-02-03 11:14 ` Alan Jenkins
2010-01-02 15:03 Alan Jenkins
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