Date: Tue, 31 Dec 2002 11:44:30 +1000 (EST) From: Andy Farkas <andyf@speednet.com.au> To: freebsd-bugs@FreeBSD.ORG Subject: Re: bin/46633: Flase error report in swapon when adding too many disks Message-ID: <20021231110927.X35303-100000@hewey.af.speednet.com.au> In-Reply-To: <200212310040.gBV0e3SC098849@freefall.freebsd.org>
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On Mon, 30 Dec 2002, David Schultz wrote:
> Thus spake Willem Jan Withagen <wjw@files.digiware.nl>:
> > When adding too many disk for swapping the error reported is a 'strange one'
> > Nicer would be to respond something like:
> > All swapdisk slots are occupied.
>
> If swapon(2) returned EBUSY in this case, you'd get the message
> 'Device busy' without having to make a special case out of it.
> Does that sound better?
The error is not 'device busy', the error is 'out of swapdisk slots'.
The first time this happened to me, I was stumped as to why it wouldn't
let me do it; the error message was not intuative at all. Man pages were
useless, there is no mention of swap device limits there. Only after
asking the maillists did I find out you have to look in LINT to find that
there is a limit. Nowhere does it say how to find out what the current
limit is.
It is not common knowledge that Freebsd has a limit to the number of swap
devices you can use. And it seems that this knowledge has been dropped
from -current:
$ grep -i swap /sys/i386/conf/NOTES
$
Have a happy new year!
--
:{ andyf@speednet.com.au
Andy Farkas
System Administrator
Speednet Communications
http://www.speednet.com.au/
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