From owner-freebsd-current@FreeBSD.ORG Sat Sep 3 06:02:37 2011 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CAE16106564A; Sat, 3 Sep 2011 06:02:37 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-yw0-f54.google.com (mail-yw0-f54.google.com [209.85.213.54]) by mx1.freebsd.org (Postfix) with ESMTP id 73DCA8FC15; Sat, 3 Sep 2011 06:02:37 +0000 (UTC) Received: by ywo32 with SMTP id 32so3250755ywo.13 for ; Fri, 02 Sep 2011 23:02:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=ixwbc+lHeaKHQZpjds39qhVtKI5mx8NjyBVDS9TreYw=; b=p8hVLnhXdHtbdgZ9oRlcKZUtVbrtPvJN4yVHDD9h2ih76waoLYbsoBYamxxITojnWu o3bQ9FaXaqQt9zkqbmrYbgg+yThifQvG1iL+iotDF+xuyRLHblqK7GBCWiy2iEH5HFi5 tPT9s9T2sPGhKg2dQhIIB8mdNK6HFut06/Kuo= MIME-Version: 1.0 Received: by 10.236.22.9 with SMTP id s9mr7765606yhs.129.1315029756873; Fri, 02 Sep 2011 23:02:36 -0700 (PDT) Sender: adrian.chadd@gmail.com Received: by 10.236.103.6 with HTTP; Fri, 2 Sep 2011 23:02:36 -0700 (PDT) In-Reply-To: References: <201108250940.44847.jhb@freebsd.org> Date: Sat, 3 Sep 2011 14:02:36 +0800 X-Google-Sender-Auth: cokXLA6eXuVj-0z261W5giL72NU Message-ID: From: Adrian Chadd To: Eitan Adler Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Daniel Eischen , freebsd-current@freebsd.org Subject: Re: ath0 no longer attaches, cardbus problems? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Sep 2011 06:02:37 -0000 On 3 September 2011 12:35, Eitan Adler wrote: > The best way to do this is to find a known working version of the > kernel and then "bisect" the version from the known bad and known good > versions until you arrive at the breaking commit. It is easier if you > look at the svn log to see which commits might matter. =A0Yes this takes > a while, but is the surest way to find the regression. You shouldn't have to try many kernels. 130,000 revisions, only a max of 18 attempts needed. :) No, you don't need a whole buildworld. Just try booting the kernel and see when it attaches. Thanks, Adrian