Date: Mon, 14 Nov 2005 18:08:27 -0800 (PST) From: Rob <spamrefuse@yahoo.com> To: freebsd-stable@freebsd.org Subject: Re: Swapfile problem in 6? (was: 6.0: during kernel compilation, 'kernel linking' freezes PC) Message-ID: <20051115020827.83656.qmail@web36214.mail.mud.yahoo.com> In-Reply-To: <20051115015801.GA84919@xor.obsecurity.org>
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--- Kris Kennaway <kris@obsecurity.org> wrote: > On Mon, Nov 14, 2005 at 05:52:42PM -0800, Rob wrote: > > > > Problem kind of solved: > > > > As this PC has only 32 MB Ram, I add a swapfile. > > However, when I compile the new kernel without the > > swapfile, all goes well. > > > > Since the freeze is very reproducible with the > > swapfile (always at the 'kernel linking' stage), > > and immediately disappears when I do not use the > > swapfile, I think there's something wrong with > > using swapfile in 6.0. Is it? > > > > I do this: > > > > dd if=/dev/zero of=/swapfile bs=1024k count=128 > > chmod 0600 /swapfile > > mdconfig -a -t vnode -f /swapfile -u 0 > > swapon /dev/md0 > > > > Is this OK? > > Looks fine, and I use this myself (on a much larger > scale). Are you > sure it's freezing and not just taking a really long > time? Whenever > your system is swapping performance will be > terrible, and that goes at > least double for swapping onto a file and not a > device. > > What happens if you leave it for an hour or two (or > overnight)? I left it overnight twice for performing this 'kernel linking' stage. In both cases the machine remained dead. Without the swapfile, this 'kernel linking' stage completes in just about less than a minute. So I think it's not my impatience, but there is another problem with my swapfile or with 6 :). Rob. __________________________________ Yahoo! FareChase: Search multiple travel sites in one click. http://farechase.yahoo.com
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