From owner-cvs-all Mon Mar 17 22:23:28 2003 Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B5E5D37B401; Mon, 17 Mar 2003 22:23:25 -0800 (PST) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id AA0DE43F3F; Mon, 17 Mar 2003 22:23:24 -0800 (PST) (envelope-from phk@phk.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.8/8.12.8) with ESMTP id h2I6N6Yl047421; Tue, 18 Mar 2003 07:23:06 +0100 (CET) (envelope-from phk@phk.freebsd.dk) To: Kirk McKusick Cc: Jeff Roberson , dwmalone@FreeBSD.org, El Vampiro , "Evgueni V. Gavrilov" , Mike Makonnen , src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: kern/42277 From: "Poul-Henning Kamp" In-Reply-To: Your message of "Mon, 17 Mar 2003 15:41:27 PST." <200303172341.h2HNfRFL014201@beastie.mckusick.com> Date: Tue, 18 Mar 2003 07:23:06 +0100 Message-ID: <47420.1047968586@critter.freebsd.dk> Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <200303172341.h2HNfRFL014201@beastie.mckusick.com>, Kirk McKusick wr ites: >I have not had any success in reproducing the problem on my machines, >but I am mostly running on 5.X these days. Evgueni V. Gavrilov (copied >on this message) seems to be able to produce the problem about once a >day on his machines. He is also very willing to help out by testing >patches and sending back reports. So, if you are able to provide him >with a patch to collect the information, I am sure that he will run it >and send back the results. He and I have already gone through all the >128-byte structures reported by `vmstat -m' looking for ones with a >short at 64-bytes and found no viable candidates. So, I was feeling >rather stuck. But it sounds like you have a viable way of tracking >this down. So you're saying this is only a -stable problem ? Have you tried aggressively setting the word @64 to random values ? With a little luck this will make some code somewhere unhappy and you might get a hint who's responsible ? -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message