From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1QnzIP-0004Ll-0b for garchives@archives.gentoo.org; Mon, 01 Aug 2011 20:41:05 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 0159121C2E7; Mon, 1 Aug 2011 20:40:51 +0000 (UTC) Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by pigeon.gentoo.org (Postfix) with ESMTP id 0524821C3AD for ; Mon, 1 Aug 2011 20:39:09 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp.gentoo.org (Postfix) with ESMTP id 815A51B402C for ; Mon, 1 Aug 2011 20:39:09 +0000 (UTC) X-Virus-Scanned: by amavisd-new using ClamAV at gentoo.org X-Spam-Score: -5.248 X-Spam-Level: X-Spam-Status: No, score=-5.248 required=5.5 tests=[AWL=1.351, BAYES_00=-2.599, RCVD_IN_DNSWL_MED=-4] Received: from smtp.gentoo.org ([127.0.0.1]) by localhost (smtp.gentoo.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id lanohEsxBa4e for ; Mon, 1 Aug 2011 20:39:01 +0000 (UTC) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by smtp.gentoo.org (Postfix) with ESMTP id BA6AB1BC016 for ; Mon, 1 Aug 2011 20:38:59 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1QnzGI-000364-7z for gentoo-user@gentoo.org; Mon, 01 Aug 2011 22:38:54 +0200 Received: from dsl.comtrol.com ([64.122.56.22]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 01 Aug 2011 22:38:54 +0200 Received: from grant.b.edwards by dsl.comtrol.com with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Mon, 01 Aug 2011 22:38:54 +0200 X-Injected-Via-Gmane: http://gmane.org/ To: gentoo-user@lists.gentoo.org From: Grant Edwards Subject: [gentoo-user] Re: make oldconfig necessary? Date: Mon, 1 Aug 2011 20:38:40 +0000 (UTC) Message-ID: References: <4E36CD86.5040109@badapple.net> <4E370BEE.2060004@orlitzky.com> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: dsl.comtrol.com User-Agent: slrn/pre0.9.9-102 (Linux) X-Archives-Salt: X-Archives-Hash: 846a2a354472928374dd517fe3e10ca7 On 2011-08-01, Michael Orlitzky wrote: > Use oldconfig. Running 'oldconfig' will prompt you for any new > sections/drivers that have appeared since your last kernel. Running > 'menuconfig' will silently accept all of the defaults for these new > options. > > Why is it safer if only the new stuff gets defaulted? Because on more > than one occasion, there has been a group of drivers, e.g. wireless > chipsets, that got a new "enable anything" option. So while you may > have had your Atheros chipset enabled in the old kernel, the new > kernel has a "enable wireless networking" option that defaults to > "no" despite the fact that your old kernel had one or more wireless > chipsets enabled. > > This also happened with the entire SATA subsystem, Been there, tripped over that. ;) I didn't pay close enough attention when running "make oldconfig" and suddenly no hard-drives with the new kernel. It took me an embarassingly long time to figure out what had gone wrong... -- Grant Edwards grant.b.edwards Yow! Did an Italian CRANE at OPERATOR just experience gmail.com uninhibited sensations in a MALIBU HOT TUB?