Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 27 Jul 1998 16:00:55 +0000
From:      "Duncan Barclay" <dmlb@ragnet.demon.co.uk>
To:        Karl Denninger <karl@mcs.net>, current@FreeBSD.ORG, Pierre Beyssac <Pierre.Beyssac@hsc.fr>
Subject:   Re: MMAP problems
Message-ID:  <199807271501.IAA28873@mailgate.cadence.com>
In-Reply-To: <19980727152658.A24276@mars.hsc.fr>
References:  <19980725155148.43084@mcs.net>; from Karl Denninger on Sat, Jul 25, 1998 at 03:51:48PM -0500

next in thread | previous in thread | raw e-mail | index | archive | help
> On Sat, Jul 25, 1998 at 03:51:48PM -0500, Karl Denninger wrote:
> > I believe I have found a rather serious MMAP problem in -CURRENT.
> > 
> > Diablo (the news system) is the test case; with MMAP enabled it will randomly 
> > write exactly one block (512 bytes) of zeros into the article spool files 
> > rather than the proper data - its almost like an update via MMAP isn't 
> 
> I have seen an extremely similar problem, both on 2.2.6 and
> -current, with INN 2.0 configured to use MMAP for the active file.
> It is fairly easy to reproduce by doing a "ctlinnd newgroup". After
> that, a bunch of zeroes appears in the active file.
> 
> I haven't bothered investigating the problem for lack of time
> because configuring INN to use read() just works and because I
> wasn't sure it was a FreeBSD problem, but I'm ready to do any
> testing I can to help fix this.
> -- 

Ditto same problem with inn on -2.2.5, and inn 1.5.2.
I seem to remember that this was documented in the inn instructions?

Duncan

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199807271501.IAA28873>