Date: Mon, 25 Aug 1997 08:05:18 +0200 From: Andreas Klemm <andreas@klemm.gtn.com> To: Steve Passe <smp@csn.net>, "John S. Dyson" <toor@dyson.iquest.net> Cc: peter@FreeBSD.org, roberto@keltia.freenix.fr, current@FreeBSD.org Subject: Re: SMP seem to introduce some strange things... Message-ID: <19970825080518.27259@klemm.gtn.com> In-Reply-To: <199708242054.OAA13395@Ilsa.StevesCafe.com>; from Steve Passe on Sun, Aug 24, 1997 at 02:54:39PM -0600 References: <19970824221429.06046@klemm.gtn.com> <199708242054.OAA13395@Ilsa.StevesCafe.com>
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> Steve:
> I suspect you are getting hit by a variation of this. Even if you've supped
> the code that fixes the problem (file truncation), it may have hosed 1 or
> more of your control files causing you continuing problems. First cvsup
> current, then examine the printcap control files for problems if new
> src doesn't fix things. If all else fails, a make world might be in order...
>
> --
> Steve Passe | powered by
> smp@csn.net | Symmetric MultiProcessor FreeBSD
>
On Sun, Aug 24, 1997 at 04:26:09PM -0500, John S. Dyson wrote:
> The bug that I caused in the VFS code was kind-of non-deterministic (or
> seemed so.) The problems with file truncation were not the SMP code,
> even though timing issues might make the problem worse.
>
> We still have a problem with the VFS layer (I haven't manifested it yet.) I
> am doing a careful code review, and found some places in the filesystem code
> where there are some dependencies on the v_usecount field of the vnode, and
> I think the current problem that I caused is somewhere around there.
Thanks ! Ok, I'll cvsup and do a make world and report you
the results this evening or tomorrow (my isdn line is out
of order, cvsup via modem is more expensive...)
Andreas ///
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