From owner-freebsd-current Sun Mar 29 20:18:35 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id TAA08439 for freebsd-current-outgoing; Sun, 29 Mar 1998 19:45:30 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from zuul.covalent.net (ns1.covalent.net [208.214.56.2]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id TAA07879; Sun, 29 Mar 1998 19:43:06 -0800 (PST) (envelope-from randy@covalent.net) Received: from sierra.covalent.net (sierra [208.214.58.10]) by zuul.covalent.net (8.8.8/8.8.7) with ESMTP id UAA11649; Sun, 29 Mar 1998 20:36:23 -0600 (CST) (envelope-from randy@Covalent.NET) Received: (from randy@localhost) by sierra.covalent.net (8.8.8/8.8.7) id UAA09493; Sun, 29 Mar 1998 20:36:46 -0600 (CST) (envelope-from randy) To: dyson@freebsd.org, current@freebsd.org Subject: Re: Signal 11's.. (and SCB problems) References: <199803290524.AAA24173@dyson.iquest.net> Mime-Version: 1.0 (generated by tm-edit 7.108) Content-Type: text/plain; charset=US-ASCII From: Randy Terbush Date: 29 Mar 1998 20:36:45 -0600 In-Reply-To: "John S. Dyson"'s message of "Sun, 29 Mar 1998 00:24:42 -0500 (EST)" Message-ID: Lines: 25 X-Mailer: Gnus v5.5/XEmacs 20.4 - "Diamond" Sender: owner-freebsd-current@freebsd.org Precedence: bulk X-Loop: FreeBSD.ORG "John S. Dyson" writes: > Chris Csanady said: > > While building a world, I recently noticed that I was getting random > > signal 11's. I was under the impression that this was fixed earlier, > > is this correct? > > > > I suppose this is probably related to the SCB problems, but I can't > > say. Is anyone else seeing similar problems? > > > > Regardless, SMP is still miserable here. I seem to have similar SCB > > hangs (that I mentioned earlier) running UP as well, although they > > are fairly rare. > > > I have been working on some improvements, and have noticed that it > is possible (with only minor mods) to cause sig-11's. It is too early > to say whether or not I am reproducing what you are seeing, and I > currently doubt it. Just FYI, I am listening (lurking), and not > assuming that things are perfect on the VM and VFS fronts. FTR - I discovered recently that some of the page fault storms and general instability was caused by AHC_ALLOW_MEMIO. Creation of files during compiles, etc. were creating files containing random garbage from what appeared to be other random open files. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message