Date: Sat, 24 Apr 2004 20:35:06 +0200
From: Pavel Machek <pavel@ucw.cz>
To: Grzegorz Piotr Jaskiewicz <gj@pointblue.com.pl>
Cc: ncunningham@linuxmail.com, kernel list <linux-kernel@vger.kernel.org>
Subject: Re: swsusp: fix error handling in "not enough swap space"
Message-ID: <20040424183505.GB2525@elf.ucw.cz>
References: <4089DC36.5020806@pointblue.com.pl> <opr6xykbzqruvnp2@laptop-linux.wpcb.org.au> <4089E761.5050708@pointblue.com.pl> <opr6x0o10uruvnp2@laptop-linux.wpcb.org.au> <4089F0E5.3050006@pointblue.com.pl>
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Hi!

> >I agree with you; it does sound like the process of eating memory is  
> >grabbing all the swap. I can't see how it could be doing that, 
> >however. If  you really want to use Pavel's version, I'd suggest 
> >adding some more debug  statements. Perhaps print out the number of 
> >swap pages free at the start  of that loop.
> >
> Ok, now funny bit happends. Simple program like that:
> while(1){
>    char *a=malloc(1024*1024*16);
>    if (a==NULL)
>       break;
> }
> 
> can allocate only about 200MB, than exits. That's the fist thing.

That's bad. That's even without swsusp, right? Again, test on 2.6.5
and post test case. Something is probably wrong in 2.6.6-bk. 

> Second one, starting KDE, and when swap usage != 0 (just to be sure 
> there is no problem with any assumption), gives me loads of error 
> messages (see attached file).

Can you try CONFIG_PREEMPT=n?
								Pavel

-- 
When do you have a heart between your knees?
[Johanka's followup: and *two* hearts?]
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