From owner-freebsd-hackers Thu Apr 19 21:12:49 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from relay.butya.kz (butya-gw.butya.kz [212.154.129.94]) by hub.freebsd.org (Postfix) with ESMTP id 2724C37B423; Thu, 19 Apr 2001 21:12:45 -0700 (PDT) (envelope-from bp@butya.kz) Received: by relay.butya.kz (Postfix, from userid 1000) id 3E0E228AE2; Fri, 20 Apr 2001 11:12:39 +0700 (ALMST) Received: from localhost (localhost [127.0.0.1]) by relay.butya.kz (Postfix) with ESMTP id 3116B28676; Fri, 20 Apr 2001 11:12:39 +0700 (ALMST) Date: Fri, 20 Apr 2001 11:12:39 +0700 (ALMST) From: Boris Popov To: John Baldwin Cc: Mike Bristow , hackers@FreeBSD.org, Jeremiah Gowdy Subject: Re: OpenBSD's FFS/dirpref/softupdates improvements In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Thu, 19 Apr 2001, John Baldwin wrote: > > I suspect that Jordan would shoot someone who suggested a MFC before > > 4.3 is out. > > It needs more work, too. If you try to use an old fsck with the new kernel, > then the old fsck will clobber some new variables in the superblock. Then the > new kernel will panic later on instead of doing a sanity check on the new > values in the superblock and falling back to defaults if they are bogus. This > is a major POLA bug and the changes shouldn't go into 4.x unless this is fixed. > This breaks the recommended method of updating stable by doing the installworld > after rebooting into a new kernel. On other hand, it makes some troubles if filesystem is shared between 4.x and -current :) -- Boris Popov http://www.butya.kz/~bp/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message