From owner-freebsd-current Thu May 21 12:50:36 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id MAA14691 for freebsd-current-outgoing; Thu, 21 May 1998 12:50:36 -0700 (PDT) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from Kitten.mcs.com (Kitten.mcs.com [192.160.127.90]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id MAA14681 for ; Thu, 21 May 1998 12:50:33 -0700 (PDT) (envelope-from karl@Mars.mcs.net) Received: from Mars.mcs.net (karl@Mars.mcs.net [192.160.127.85]) by Kitten.mcs.com (8.8.7/8.8.2) with ESMTP id OAA08337; Thu, 21 May 1998 14:50:32 -0500 (CDT) Received: (from karl@localhost) by Mars.mcs.net (8.8.7/8.8.2) id OAA08329; Thu, 21 May 1998 14:50:32 -0500 (CDT) Message-ID: <19980521145032.65465@mcs.net> Date: Thu, 21 May 1998 14:50:32 -0500 From: Karl Denninger To: Julian Elischer Cc: current@FreeBSD.ORG Subject: Re: Explosion update on Softupdates - it is NOT CCD related References: <19980519172915.55147@mcs.net> <35646833.52BFA1D7@whistle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 0.84 In-Reply-To: <35646833.52BFA1D7@whistle.com>; from Julian Elischer on Thu, May 21, 1998 at 10:45:24AM -0700 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, May 21, 1998 at 10:45:24AM -0700, Julian Elischer wrote: > Karl Denninger wrote: > > > > The earlier panic I reported (including traceback) is not related to ccd. > > > > I just got another one on the Diablo machine. This is EXTREMELY > > reproducable in that environment; I can kill the system within 10 minutes, > > and this time when it came back up the filesystem had serious damage. > > > > Note that if I turn off softupdates on the SPOOL disk (leaving it on for all > > other drives, except root) it DOES NOT panic. > > > > This has to be related to the I/O pattern in that application. > > > > -- > > > what (exactly is going on on that disk? > is there mmapping happenning? > etc. etc. > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message Diablo uses mmap to read, and write to do writes to the spool files. It also does a hell of a lot of flock()ing. -- -- Karl Denninger (karl@MCS.Net)| MCSNet - Serving Chicagoland and Wisconsin http://www.mcs.net/ | T1's from $600 monthly / All Lines K56Flex/DOV | NEW! Corporate ISDN Prices dropped by up to 50%! Voice: [+1 312 803-MCS1 x219]| EXCLUSIVE NEW FEATURE ON ALL PERSONAL ACCOUNTS Fax: [+1 312 803-4929] | *SPAMBLOCK* Technology now included at no cost To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message