From owner-freebsd-stable Sat Sep 1 17:54:57 2001 Delivered-To: freebsd-stable@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id 6455437B401 for ; Sat, 1 Sep 2001 17:54:54 -0700 (PDT) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id 9E47C6ACF0; Sun, 2 Sep 2001 10:24:52 +0930 (CST) Date: Sun, 2 Sep 2001 10:24:52 +0930 From: Greg Lehey To: Mike Harding Cc: stable@freebsd.org Subject: Tagged queueing causes silo overflows? (was: ah! the dread 'silo overflow' returns!) Message-ID: <20010902102452.D59668@wantadilla.lemis.com> References: <20010901232101.33FF513120@netcom1.netcom.com> <20010901234031.50B1313120@netcom1.netcom.com> <20010901232101.33FF513120@netcom1.netcom.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010901232101.33FF513120@netcom1.netcom.com>; from mvh@ix.netcom.com on Sat, Sep 01, 2001 at 04:21:01PM -0700 Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Saturday, 1 September 2001 at 16:21:01 -0700, Mike Harding wrote: > > I have been getting 'silo overflow' messages for a week or two, on > recent buildworld (for, example, today). I am using a 56K modem, 1.3 > GHz Athlon, IDE, etc. Is this a known issue??? I remember this from > the bad old days, but I haven't seen it in a while. On Saturday, 1 September 2001 at 16:40:31 -0700, Mike Harding wrote: > > (I think) never mind - I think that this is related to tagged queuing, > which got (re)enabled in the source. I saw this earlier when I hacked > the kernel source to support tagged queuing with my newish IBM drive - > the newer kernels recognize this drive. I had bad silo overflow > issues when I had previously enabled the tagged queuing. Hmm. I'd be inclined to consider this a bug. Looks as if the tagged queueing might cause interrupts to be locked out for too long. Greg -- See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message