From owner-freebsd-alpha Thu Aug 31 13:43:36 2000 Delivered-To: freebsd-alpha@freebsd.org Received: from pike.osd.bsdi.com (pike.osd.bsdi.com [204.216.28.222]) by hub.freebsd.org (Postfix) with ESMTP id 7878937B422 for ; Thu, 31 Aug 2000 13:43:34 -0700 (PDT) Received: (from jhb@localhost) by pike.osd.bsdi.com (8.9.3/8.9.3) id NAA04694; Thu, 31 Aug 2000 13:42:51 -0700 (PDT) (envelope-from jhb) From: John Baldwin Message-Id: <200008312042.NAA04694@pike.osd.bsdi.com> Subject: Re: Console problems on alpha with -current In-Reply-To: <200008302317.e7UNHtG96193@netplex.com.au> from Peter Wemm at "Aug 30, 2000 04:17:55 pm" To: Peter Wemm Date: Thu, 31 Aug 2000 13:42:50 -0700 (PDT) Cc: alpha@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL68 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-alpha@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Peter Wemm wrote: > John Baldwin wrote: > > Mike Smith has suggested that the kenv pointer might not be initialied > > before the console init on the alpha for some reason... > > No, the more I think about it, the more I think something like this is > happening: > > i386: > console selection is done before any output using the low level console > probe routines. > > alpha: > the SRM console is being used until much later, and when sc0 comes up without > vga0 having probed already, then things are breaking. > The difference between static vs. dynamic hints is that loader(8) is sorting > the hints (sc0 comes before vga0) while static hints are preserving the order. > > In alpha/conf/GENERIC.hints: > hint.vga.0.at="isa" > hint.sc.0.at="isa" > > I'll bet that reversing these two in a static hints kernel will duplicate > the problem that people see with dynamic hints. > > Can somebody with a vga console alpha confirm/deny this? Bzzzzt. The console works ok with them reversed, although I get a machine check exception kernel panic during boot. :P > Cheers, > -Peter > -- > Peter Wemm - peter@FreeBSD.org; peter@yahoo-inc.com; peter@netplex.com.au > "All of this is for nothing if we don't go to the stars" - JMS/B5 -- John Baldwin -- http://www.FreeBSD.org/~jhb/ PGP Key: http://www.cslab.vt.edu/~jobaldwi/pgpkey.asc "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-alpha" in the body of the message