From owner-freebsd-current@FreeBSD.ORG Wed Feb 20 23:16:47 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 30C58DDB for ; Wed, 20 Feb 2013 23:16:47 +0000 (UTC) (envelope-from delphij@delphij.net) Received: from anubis.delphij.net (anubis.delphij.net [IPv6:2001:470:1:117::25]) by mx1.freebsd.org (Postfix) with ESMTP id 1691C1AC for ; Wed, 20 Feb 2013 23:16:47 +0000 (UTC) Received: from epsilon.delphij.net (drawbridge.ixsystems.com [206.40.55.65]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by anubis.delphij.net (Postfix) with ESMTPSA id B4ADE24389; Wed, 20 Feb 2013 15:16:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=delphij.net; s=anubis; t=1361402206; bh=xHu3hUsVRxOjrSJA9VEYPrd8yy8ROlwSZhr69abAjO0=; h=Date:From:Reply-To:To:CC:Subject:References:In-Reply-To; b=Mveg0YICUNGsS7FdrPen3hf4I4btCH9s3eC1+wUMpa/bWi4L59uLGCs4UgMbDFJXO sIb/lkbeDs6383HK6SU+kpbqlNAOK7cMKxWxHFXzD1Ob0kfpkeE/J5tyn8EjuY5pwn e2/ZxC7yY/LfD+N7GIFXWqn+mH5D0NjShiA7HXV8= Message-ID: <5125595D.5010508@delphij.net> Date: Wed, 20 Feb 2013 15:16:45 -0800 From: Xin Li Organization: The FreeBSD Project MIME-Version: 1.0 To: Konstantin Belousov Subject: Re: -CURRENT userland regression References: <51254ACE.2030100@delphij.net> <51254C7E.9050705@gmail.com> <20130220222518.GT2598@kib.kiev.ua> <51254E51.1070702@delphij.net> <20130220223704.GU2598@kib.kiev.ua> In-Reply-To: <20130220223704.GU2598@kib.kiev.ua> X-Enigmail-Version: 1.4.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: FreeBSD Current , d@delphij.net, Navdeep Parhar X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list Reply-To: d@delphij.net List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2013 23:16:47 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 02/20/13 14:37, Konstantin Belousov wrote: > On Wed, Feb 20, 2013 at 02:29:37PM -0800, Xin Li wrote: >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 >> >> On 02/20/13 14:25, Konstantin Belousov wrote: >>> On Wed, Feb 20, 2013 at 02:21:50PM -0800, Navdeep Parhar >>> wrote: >>>> On 02/20/13 14:14, Xin Li wrote: >>>>> Hi, >>>>> >>>>> It seems that fresh -HEAD would give an unusable kernel >>>>> that overwrites screen buffer in a way making it impossible >>>>> to debug. Using an old world source to do 'make buildworld >>>>> buildkernel' results in a (mostly: I have some strange USB >>>>> issue right now and still looking for the cause) usable >>>>> kernel. >>>>> >>>>> For now my known good combination is world 246858 with >>>>> kernel 247057. I'm still trying to find out which revision >>>>> have broke the stuff. >>>> >>>> I ran into this earlier today. Selecting "safe mode" in the >>>> boot loader menu seems to work around the problem on my >>>> system. Now I will not reboot until I see a fix for this in >>>> head :-) >>> >>> How much 'the earlier today' is ? I.e., could you specify some >>> revisions ? >> >> It would take some time to bi-sect as one needs to do full >> world/kernel build. The only thing I can say definitely is that >> something from userland was broken within the (246858,247057] >> range. I'm compiling 246957 right now. > > My first guess would be r247047, but I did booted the kernel+world > with this change applied, on amd64. Hm, I booted on the machine > with serial console. I think it's unlikely -- I have r247057 of sys/ which worked fine... userland 246957 works good by the way. Cheers, - -- Xin LI https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- iQEcBAEBCgAGBQJRJVldAAoJEG80Jeu8UPuzxBcH/AntMKSKAou10EU8/PbZEAHH q7A4enMQll13UuG9DzcXoQLEdmy+oCTpOcCn1Fe7YcY/ykvKgZhSUgTwwmZseL/N vHRgLH44ctAHEZMGW50oAVLgpR4ac4/dwbqeCThFwMb6C0wwRgo2SJD1w5GW8TMw JI40BeGdSEggJVOuYf+GJh433Wg5IhhxTsVkd5DXNrqjY5QfbtFwWJmUS7DKCb4X Ds153GhyxVJ2YXHBp6HjJ8ccmocBZ+plnda9uNTTVYcvklbQDzYWIFmxHsUO1OBq rXXSh93PJ7yJh/vrSFncDyxxpjfEfqlpCyM60Htd6CaFri1JbAn1kl4OmaDrlt8= =i2Ev -----END PGP SIGNATURE-----