From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: linux-kernel@vger.kernel.org
Subject: Re: 2.6.9-rc3 software suspend (pmdisk) stopped working
Date: Fri, 1 Oct 2004 21:53:31 +0200
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Cc: Kevin Fenzi <kevin-linux-kernel@scrye.com>
References: <415C2633.3050802@0Bits.COM> <200410012055.29406.rjw@sisk.pl> <20041001192532.A0714A6017@voldemort.scrye.com>
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On Friday 01 of October 2004 21:25, Kevin Fenzi wrote:
> >>>>> "Rafael" == Rafael J Wysocki <rjw@sisk.pl> writes:
> 
> Rafael> On Friday 01 of October 2004 18:03, Kevin Fenzi wrote:
> >> >>>>> "Pavel" == Pavel Machek <pavel@ucw.cz> writes:
> >>
> Pavel> Hi!
> >> >> Anyone noticed that pmdisk software suspend stopped working in
> >> -rc3 >> ?  In -rc2 it worked just fine. My script was
> >> >>
> >> >> chvt 1 echo -n shutdown >/sys/power/disk echo -n disk >>
> >> >/sys/power/state chvt 7
> >> >>
> >> >> In -rc3 it appears to write pages out to disk, but never shuts
> >> down >> the machine. Is there something else i need to do or am
> >> missing ?
> >>
> Pavel> You are not missing anything, it is somehow broken. I'll try to
> Pavel> find out what went wrong and fix it. In the meantime, look at
> Pavel> -mm series, it works there.  Pavel
> >> I finally had a chance to try 2.6.9-rc3 here last night.
> >>
> >> It suspended ok for me, but on resume it would load in the cache
> >> and then reboot. :(
> 
> Rafael> Always?  I mean, is it reproducible?  I have a similar
> Rafael> problem, but it is not reproducible, apparently.  Sometimes it
> Rafael> reboots, sometimes it reports a double fault, but most often
> Rafael> it resumes just fine.
> 
> Well, I only tried it twice, but it rebooted both times.
> 
> After applying the patch below from Pavel on top of 2.6.9-rc3 it now
> seems to work (again, I have only done a few cycles).
> 
> Do you have HIMEM enabled?

I'm not sure what you mean.  It's an x86-64 system with 512 MB of RAM.

> Does the patch below make it more stable for you?

I have this patch applied, but I get double faults sometimes anyway.

Greets,
RJW

-- 
- Would you tell me, please, which way I ought to go from here?
- That depends a good deal on where you want to get to.
		-- Lewis Carroll "Alice's Adventures in Wonderland"
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