From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Andi Kleen <ak@suse.de>
Cc: Jan Beulich <JBeulich@novell.com>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org, Discuss x86-64 <discuss@x86-64.org>
Subject: Re: [discuss] Re: 2.6.15-rc5-mm1 (x86_64-hpet-overflow.patch breaks resume from disk)
Date: Fri, 9 Dec 2005 00:00:21 +0100 [thread overview]
Message-ID: <200512090000.22103.rjw@sisk.pl> (raw)
In-Reply-To: <20051208224735.GV11190@wotan.suse.de>
Hi,
On Thursday, 8 December 2005 23:47, Andi Kleen wrote:
> On Thu, Dec 08, 2005 at 09:43:52AM +0100, Jan Beulich wrote:
> > I don't know how resume normally handles the re-syncing of the wall
> > clock, but the problem here is obvious: do_timer runs a loop to
> > increment jiffies, which may require significant amounts of time
> > (depending how long the system was sleeping).
>
> It would be good if someone could submit a patch to fix
> this up properly. It indeed sounds wrong.
Well, timer_resume() does adjust jiffies and wall_jiffies.
The problem seems to be that vxtime.last and/or vxtime.last_tsc are not
adjusted by it which makes the timer interrupt handler unhappy (with the
hpet-overflow patch applied, that is).
Greetings,
Rafael
--
Beer is proof that God loves us and wants us to be happy - Benjamin Franklin
next prev parent reply other threads:[~2005-12-08 22:59 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-05 7:21 2.6.15-rc5-mm1 Andrew Morton
2005-12-05 6:49 ` 2.6.15-rc5-mm1 Carlos Martín
2005-12-06 3:04 ` 2.6.15-rc5-mm1 Andrew Morton
2005-12-06 6:59 ` 2.6.15-rc5-mm1 Ingo Molnar
2005-12-05 19:06 ` 2.6.15-rc5-mm1: git-alsa-vs-git-pcmcia.patch introduces new compile errors Adrian Bunk
2005-12-05 20:05 ` Takashi Iwai
2005-12-05 21:40 ` 2.6.15-rc5-mm1: USB_IP problems Adrian Bunk
2005-12-07 0:02 ` Greg KH
2005-12-07 0:08 ` Adrian Bunk
2005-12-05 23:05 ` 2.6.15-rc5-mm1 J.A. Magallon
2005-12-05 23:06 ` 2.6.15-rc5-mm1 Randy.Dunlap
2005-12-10 23:36 ` 2.6.15-rc5-mm1 Greg KH
2005-12-10 23:46 ` 2.6.15-rc5-mm1 J.A. Magallon
2005-12-11 21:36 ` 2.6.15-rc5-mm1 J.A. Magallon
2005-12-12 22:58 ` 2.6.15-rc5-mm1 Andrew Morton
2005-12-13 3:44 ` [linux-usb-devel] 2.6.15-rc5-mm1 Alan Stern
2005-12-13 13:51 ` J.A. Magallon
2005-12-13 15:35 ` Alan Stern
2005-12-13 16:47 ` David Brownell
2005-12-06 13:33 ` 2.6.15-rc5-mm1 KAMEZAWA Hiroyuki
2005-12-07 0:46 ` 2.6.15-rc5-mm1 (x86_64-hpet-overflow.patch breaks resume from disk) Rafael J. Wysocki
2005-12-07 23:15 ` Rafael J. Wysocki
2005-12-08 8:43 ` [discuss] " Jan Beulich
2005-12-08 10:53 ` Rafael J. Wysocki
2005-12-08 22:35 ` Rafael J. Wysocki
2005-12-09 9:15 ` Jan Beulich
2005-12-09 9:16 ` Andi Kleen
2005-12-09 11:20 ` Rafael J. Wysocki
2005-12-09 12:41 ` Jan Beulich
2005-12-09 13:10 ` Rafael J. Wysocki
2005-12-09 17:34 ` Rafael J. Wysocki
2005-12-12 7:58 ` Jan Beulich
2005-12-12 8:05 ` [discuss] " Andi Kleen
2005-12-08 22:47 ` Andi Kleen
2005-12-08 23:00 ` Rafael J. Wysocki [this message]
2005-12-09 9:08 ` Jan Beulich
2005-12-09 9:16 ` Andi Kleen
2005-12-09 10:57 ` Jan Beulich
2005-12-08 19:09 ` 2.6.15-rc5-mm1 Badari Pulavarty
2005-12-08 21:14 ` 2.6.15-rc5-mm1 James Courtier-Dutton
2005-12-08 23:02 ` 2.6.15-rc5-mm1 Adrian Bunk
2005-12-09 7:15 ` [Alsa-devel] 2.6.15-rc5-mm1 Jaroslav Kysela
2005-12-09 7:15 ` Jaroslav Kysela
2005-12-08 23:02 ` 2.6.15-rc5-mm1 Adrian Bunk
2005-12-09 1:09 ` 2.6.15-rc5-mm1 Alexander E. Patrakov
2005-12-09 1:52 ` 2.6.15-rc5-mm1 Jeff Garzik
2005-12-12 16:12 ` 2.6.15-rc5-mm1 Alan Cox
2005-12-13 22:49 ` 2.6.15-rc5-mm1 J.A. Magallon
2005-12-13 23:24 ` 2.6.15-rc5-mm1 Andrew Morton
2005-12-14 0:17 ` 2.6.15-rc5-mm1 J.A. Magallon
2005-12-14 0:22 ` 2.6.15-rc5-mm1 Andrew Morton
2005-12-14 1:33 ` 2.6.15-rc5-mm1 Dmitry Torokhov
2005-12-14 0:31 ` 2.6.15-rc5-mm1 Ben Pfaff
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