Date: Wed, 10 Sep 1997 08:45:35 +0930 From: Greg Lehey <grog@lemis.com> To: Joe McGuckin <joe@via.net> Cc: questions@freebsd.org Subject: Re: /: file system is full Message-ID: <19970910084535.11505@lemis.com> In-Reply-To: <199709091717.KAA29928@monk.via.net>; from Joe McGuckin on Tue, Sep 09, 1997 at 10:17:37AM -0700 References: <199709091717.KAA29928@monk.via.net>
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On Tue, Sep 09, 1997 at 10:17:37AM -0700, Joe McGuckin wrote:
>
> I was trying to cause my system to crash. So, I thought that I'd use up all
> the available memory.
>
> I wrote a simple 'C' program to malloc a 1 MB chunk, then write into it to
> insure that the paged were allocated
>
> while(1){
> p = (char *) malloc(1024*1024);
> *p = '1';
> }
This will only allocate the first page. *p is the same thing as p
[0]. To allocate all pages, you need to loop through at offsets of
4096.
> Very quickly, I get back a msg about "/: file system full"
>
> What going on here?
Good question. Where's your swap?
Greg
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