Date: Wed, 03 Sep 2014 17:07:39 +0200 From: "Ronald Klop" <ronald-lists@klop.ws> To: "Ed Maste" <emaste@freebsd.org>, "Alexey Dokuchaev" <danfe@freebsd.org> Cc: svn-src-stable@freebsd.org, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "src-committers@freebsd.org" <src-committers@freebsd.org>, svn-src-stable-10@freebsd.org Subject: Re: svn commit: r271023 - stable/10/sys/dev/vt Message-ID: <op.xll9m10ukndu52@82-171-231-144.ip.telfort.nl> In-Reply-To: <20140903145753.GA25935@FreeBSD.org> References: <201409031400.s83E0bK6049810@svn.freebsd.org> <20140903140757.GA7494@FreeBSD.org> <CAPyFy2B8F_mWOeTGXormEQ2amzQ00rFotmsNpXmgaKTy63DYzA@mail.gmail.com> <20140903145753.GA25935@FreeBSD.org>
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On Wed, 03 Sep 2014 16:57:53 +0200, Alexey Dokuchaev <danfe@freebsd.org> wrote: > On Wed, Sep 03, 2014 at 10:34:21AM -0400, Ed Maste wrote: >> On 3 September 2014 10:07, Alexey Dokuchaev <danfe@freebsd.org> 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"
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