From owner-svn-src-stable@FreeBSD.ORG Wed Sep 3 15:07:44 2014 Return-Path: Delivered-To: svn-src-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2D43015B; Wed, 3 Sep 2014 15:07:44 +0000 (UTC) Received: from smarthost1.greenhost.nl (smarthost1.greenhost.nl [195.190.28.81]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id DD68E1790; Wed, 3 Sep 2014 15:07:43 +0000 (UTC) Received: from smtp.greenhost.nl ([213.108.104.138]) by smarthost1.greenhost.nl with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.72) (envelope-from ) id 1XPC9s-0005r0-Ky; Wed, 03 Sep 2014 17:07:40 +0200 Content-Type: text/plain; charset=us-ascii; format=flowed; delsp=yes To: "Ed Maste" , "Alexey Dokuchaev" Subject: Re: svn commit: r271023 - stable/10/sys/dev/vt References: <201409031400.s83E0bK6049810@svn.freebsd.org> <20140903140757.GA7494@FreeBSD.org> <20140903145753.GA25935@FreeBSD.org> Date: Wed, 03 Sep 2014 17:07:39 +0200 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: "Ronald Klop" Message-ID: In-Reply-To: <20140903145753.GA25935@FreeBSD.org> User-Agent: Opera Mail/12.16 (FreeBSD) X-Authenticated-As-Hash: 398f5522cb258ce43cb679602f8cfe8b62a256d1 X-Virus-Scanned: by clamav at smarthost1.samage.net X-Spam-Level: / X-Spam-Score: -0.2 X-Spam-Status: No, score=-0.2 required=5.0 tests=ALL_TRUSTED, BAYES_50 autolearn=disabled version=3.3.2 X-Scan-Signature: 5a1627636b35b65657045ef62631cd80 Cc: svn-src-stable@freebsd.org, "svn-src-all@freebsd.org" , "src-committers@freebsd.org" , svn-src-stable-10@freebsd.org X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Sep 2014 15:07:44 -0000 On Wed, 03 Sep 2014 16:57:53 +0200, Alexey Dokuchaev wrote: > On Wed, Sep 03, 2014 at 10:34:21AM -0400, Ed Maste wrote: >> On 3 September 2014 10:07, Alexey Dokuchaev wrote: >> > I'm also wondering why on PowerPC vt(4) behaves much better >> (switching is >> > instant, no artifacts at all). >> >> The VGA vt(4) issues all stem from the relatively complex and arcane >> VGA hardware and a somewhat limited vt_vga implementation. > > Can you elaborate a bit on the technical side of things? Particularly, > it > looks strange that syscons(4) was able to work just fine on "relatively > complex and arcane VGA hardware", while more modern vt(4) is fighting > with > problems. AFAIK syscons works in the text mode of the BIOS. Not on VGA graphics mode. See the vt man page for textmode in vt_vga. http://www.freebsd.org/cgi/man.cgi?query=vt&manpath=FreeBSD+10.0-stable Regards. Ronald. > > Don't get me wrong, I greatly appreciate all of you guys' work, just want > to understand better what are the challenges you're facing. Thank you, > > ./danfe > _______________________________________________ > svn-src-all@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/svn-src-all > To unsubscribe, send any mail to "svn-src-all-unsubscribe@freebsd.org"