From: Pavel Machek <pavel@ucw•cz>
To: Benjamin Herrenschmidt <benh@kernel•crashing.org>
Cc: Michael Schmitz <schmitz@opal•biophys.uni-duesseldorf.de>,
Michael Schmitz <schmitz@zirkon•biophys.uni-duesseldorf.de>,
Hugang <hugang@soulinfo•com>,
Patrick Mochel <mochel@digitalimplant•org>,
Nigel Cunningham <ncunningham@users•sourceforge.net>,
ncunningham@clear•net.nz,
linuxppc-dev list <linuxppc-dev@lists•linuxppc.org>
Subject: Re: pmdisk working on ppc (WAS: Help port swsusp to ppc)
Date: Thu, 29 Jan 2004 00:35:09 +0100 [thread overview]
Message-ID: <20040128233509.GA336@elf.ucw.cz> (raw)
In-Reply-To: <1075326924.5658.299.camel@gaston>
Hi!
> > > > Battery requests might have been underway; pmud is running. If I read
> > > > pmu_suspend() right, pending battery requests should result in pmu_suspend
> > > > waiting for them to finish?
> > >
> > > Normally yes... pmud isn't running at this point (all processes are frozen)
> >
> > OK. I put a mdelay(100) between the PMU_SYSTEM_READY request and the
> > pmu_suspend() call in pmu_sys_resume and it seems to work so far. Side
> > note: if you are saving a large system and have multiple swap files, play
> > with swap priorities to make sure the pages are swapped out to the file
> > _not_ used for suspend.
>
> Ah ? What's up ? suspend trashes the swap ? That's very bad...
No, it does not.
But swap space is shared between suspend and swap. And if that place
is full (unlikely), you've got a problem.
Pavel
--
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2004-01-28 23:35 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1075154452.6191.91.camel@gaston>
2004-01-27 10:34 ` pmdisk working on ppc (WAS: Help port swsusp to ppc) Michael Schmitz
2004-01-27 10:37 ` Benjamin Herrenschmidt
2004-01-27 14:32 ` Michael Schmitz
2004-01-27 21:40 ` Benjamin Herrenschmidt
2004-01-28 16:09 ` Michael Schmitz
2004-01-28 17:02 ` Hugang
2004-01-28 17:03 ` Colin Leroy
2004-01-29 9:17 ` Michael Schmitz
2004-01-28 18:00 ` Michael Schmitz
2004-01-28 21:56 ` Benjamin Herrenschmidt
2004-01-28 21:55 ` Benjamin Herrenschmidt
2004-01-29 9:30 ` Michael Schmitz
2004-01-29 12:10 ` Benjamin Herrenschmidt
2004-01-28 21:55 ` Benjamin Herrenschmidt
2004-01-28 23:35 ` Pavel Machek [this message]
2004-01-29 8:11 ` Michael Schmitz
2004-01-27 10:47 ` Pavel Machek
2004-01-27 10:56 ` Benjamin Herrenschmidt
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