From: Pavel Machek <pavel@ucw.cz>
To: Daniel Hazelton <dhazelton@enter.net>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>,
Linus Torvalds <torvalds@linux-foundation.org>,
Nigel Cunningham <nigel@nigel.suspend2.net>,
Pekka J Enberg <penberg@cs.helsinki.fi>,
LKML <linux-kernel@vger.kernel.org>,
Oleg Nesterov <oleg@tv-sign.ru>
Subject: progress meter in s2disk (was Re: Back to the future.)
Date: Sat, 28 Apr 2007 09:00:39 +0200 [thread overview]
Message-ID: <20070428070039.GG2994@elf.ucw.cz> (raw)
In-Reply-To: <200704272251.57407.dhazelton@enter.net>
Hi!
> > > > > It's doubly bad, because that idiocy has also infected s2ram. Again,
> > > > > another thing that really makes no sense at all - and we do it not
> > > > > just for snapshotting, but for s2ram too. Can you tell me *why*?
> > > >
> > > > Why we freeze tasks at all or why we freeze kernel threads?
> > >
> > > In many ways, "at all".
> > >
> > > I _do_ realize the IO request queue issues, and that we cannot actually
> > > do s2ram with some devices in the middle of a DMA. So we want to be able
> > > to avoid *that*, there's no question about that. And I suspect that
> > > stopping user threads and then waiting for a sync is practically one of
> > > the easier ways to do so.
> > >
> <snip>
>
> Apparently I *CANNOT* wrap my head around this - if just because my laptop,
> running a vendor 2.6.17 kernel does s2ram perfectly, at least, it does when
> using the "Upstart" init system rather than the classical SysV init system. I
> have tried it with the classical init and the suspend isn't triggered by the
> buttons that used to do it. I didn't try 'echo ram > /sys/power/state', but I
> have a feeling that would have worked as well. I have problems with s2disk,
> but thats because I keep my swap partition small - I try to keep it at or
> around 256M when I have more than half a gig of Ram in a system. Perhaps one
> of these days I'll grab a multi-gig flash disk, set it up as a swap partition
> and try it again. (every time I've tried s2disk I wind up running out of disk
> space - and this is with nothing but X running. Any kind of progress meter
> for when the system is doing s2disk would be nice - every time I've tried it
> all I see for the nearly 2 minutes before the s2disk attempt ends is a black
> screen. I say 2 minutes because thats how long it takes for it to learn that
> there isn't enough space on the swap-partition to save the image)
Just turn up console loglevel to see the messages.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2007-04-28 7:01 UTC|newest]
Thread overview: 135+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-26 6:04 Back to the future Nigel Cunningham
2007-04-26 7:28 ` Pekka Enberg
[not found] ` <1177573348.50 25.224.camel@nigel.suspend2.net>
2007-04-26 7:42 ` Nigel Cunningham
2007-04-26 8:17 ` Pekka Enberg
2007-04-26 9:28 ` Nigel Cunningham
2007-04-26 17:29 ` Luca Tettamanti
2007-04-26 16:56 ` Linus Torvalds
2007-04-26 17:03 ` Xavier Bestel
2007-04-26 17:34 ` Linus Torvalds
2007-04-26 20:08 ` Nigel Cunningham
2007-04-26 20:45 ` Linus Torvalds
2007-04-26 20:50 ` Nigel Cunningham
2007-04-27 0:10 ` Olivier Galibert
2007-04-27 10:21 ` Daniel Pittman
2007-04-27 23:19 ` Nigel Cunningham
2007-04-26 21:38 ` Theodore Tso
2007-04-27 10:10 ` Christoph Hellwig
2007-04-26 22:08 ` Rafael J. Wysocki
2007-04-26 22:20 ` Nigel Cunningham
2007-04-26 23:15 ` Linus Torvalds
2007-04-27 7:51 ` Pekka Enberg
2007-04-26 17:07 ` Linus Torvalds
2007-04-26 18:22 ` Chase Venters
2007-04-26 18:50 ` David Lang
2007-04-26 19:56 ` Nigel Cunningham
2007-04-27 4:52 ` Pekka J Enberg
2007-04-27 6:08 ` Nigel Cunningham
2007-04-27 6:18 ` Pekka J Enberg
2007-04-27 6:29 ` Pekka J Enberg
2007-04-27 6:34 ` Nigel Cunningham
2007-04-27 6:50 ` Pekka J Enberg
2007-04-27 7:03 ` Nigel Cunningham
2007-04-27 7:24 ` Pekka J Enberg
2007-04-27 9:50 ` Oliver Neukum
2007-04-27 10:12 ` Pekka J Enberg
2007-04-27 19:07 ` Oliver Neukum
2007-04-28 9:22 ` Pekka Enberg
2007-04-28 13:37 ` Oliver Neukum
2007-05-03 12:06 ` Pavel Machek
2007-05-04 21:52 ` Indan Zupancic
2007-05-05 9:16 ` Pavel Machek
2007-05-05 12:02 ` Indan Zupancic
2007-04-28 10:35 ` Rafael J. Wysocki
2007-04-28 18:43 ` David Lang
2007-04-28 19:37 ` Rafael J. Wysocki
2007-04-27 21:24 ` Rafael J. Wysocki
2007-04-27 21:44 ` Linus Torvalds
2007-04-27 22:04 ` Rafael J. Wysocki
2007-04-27 22:08 ` Linus Torvalds
2007-04-27 22:41 ` Rafael J. Wysocki
2007-04-27 22:26 ` David Lang
2007-04-27 23:21 ` Rafael J. Wysocki
2007-04-27 23:01 ` David Lang
2007-04-28 0:02 ` Rafael J. Wysocki
2007-04-27 23:17 ` Linus Torvalds
2007-04-27 23:45 ` Rafael J. Wysocki
2007-04-27 23:57 ` Nigel Cunningham
2007-04-27 23:50 ` David Lang
2007-04-28 0:40 ` Linus Torvalds
2007-04-28 6:58 ` Oliver Neukum
2007-04-28 9:16 ` Pekka J Enberg
2007-04-28 18:28 ` David Lang
2007-05-03 17:18 ` Pavel Machek
2007-05-07 2:13 ` David Lang
2007-05-07 3:33 ` Kyle Moffett
2007-05-07 12:48 ` Pavel Machek
2007-05-07 12:52 ` Oliver Neukum
2007-05-07 14:37 ` david
2007-05-07 19:51 ` Pavel Machek
2007-05-07 19:55 ` david
2007-05-07 20:38 ` Pavel Machek
2007-05-08 17:36 ` Disconnect
2007-04-27 23:59 ` Linus Torvalds
2007-04-28 0:18 ` Linus Torvalds
2007-05-05 11:42 ` Pavel Machek
2007-04-28 0:50 ` Paul Mackerras
2007-04-28 1:00 ` Rafael J. Wysocki
2007-04-28 1:12 ` Linus Torvalds
2007-04-28 0:54 ` David Lang
2007-04-28 1:44 ` Rafael J. Wysocki
2007-04-28 2:51 ` Daniel Hazelton
2007-04-28 7:00 ` Pavel Machek [this message]
2007-04-28 8:50 ` Pavel Machek
2007-04-28 9:24 ` Rafael J. Wysocki
2007-04-28 16:28 ` Linus Torvalds
2007-04-28 17:50 ` Rafael J. Wysocki
2007-04-28 21:25 ` Linus Torvalds
2007-04-28 23:03 ` Rafael J. Wysocki
2007-04-28 23:45 ` Linus Torvalds
2007-04-29 0:01 ` Nigel Cunningham
2007-04-29 5:01 ` Bojan Smojver
2007-04-29 3:43 ` Kyle Moffett
2007-04-29 8:57 ` Rafael J. Wysocki
2007-04-29 8:59 ` Pavel Machek
2007-04-29 9:32 ` Rafael J. Wysocki
2007-04-29 8:23 ` Pavel Machek
2007-04-29 9:22 ` Rafael J. Wysocki
2007-04-28 18:32 ` David Lang
2007-04-28 19:14 ` Rafael J. Wysocki
2007-04-28 18:44 ` David Lang
2007-05-03 15:25 ` Pavel Machek
2007-04-27 22:07 ` Nigel Cunningham
2007-04-28 1:03 ` Kyle Moffett
2007-04-28 1:15 ` Rafael J. Wysocki
2007-04-28 0:51 ` David Lang
2007-04-28 1:25 ` Kyle Moffett
2007-05-03 15:10 ` Pavel Machek
2007-05-03 16:53 ` Kyle Moffett
2007-05-04 7:52 ` David Greaves
2007-05-04 13:27 ` Kyle Moffett
2007-04-28 0:18 ` Jeremy Fitzhardinge
2007-04-28 1:00 ` Matthew Garrett
2007-04-28 1:05 ` Jeremy Fitzhardinge
2007-05-03 15:14 ` Pavel Machek
2007-06-01 19:00 ` Eric W. Biederman
2007-04-28 1:08 ` Rafael J. Wysocki
2007-04-27 20:44 ` Rafael J. Wysocki
2007-04-28 19:09 ` Bill Davidsen
2007-04-26 22:40 ` Pavel Machek
2007-04-27 5:41 ` Pekka Enberg
2007-04-27 14:55 ` Pavel Machek
2007-04-27 21:39 ` Nigel Cunningham
2007-04-26 22:42 ` Pavel Machek
2007-04-26 22:24 ` David Lang
2007-04-26 23:12 ` Pavel Machek
2007-04-26 22:49 ` David Lang
2007-04-26 23:27 ` Pavel Machek
2007-04-26 22:56 ` David Lang
2007-04-27 0:23 ` Olivier Galibert
2007-04-27 12:49 ` Pavel Machek
2007-04-27 21:26 ` Rafael J. Wysocki
2007-04-27 22:12 ` David Lang
2007-04-26 8:38 ` Jan Engelhardt
2007-04-26 9:33 ` Nigel Cunningham
2007-04-28 0:28 ` Bojan Smojver
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