Date: Fri, 6 Feb 2009 09:37:55 -0500 From: John Baldwin <jhb@freebsd.org> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-arch@freebsd.org Subject: Re: Trimming the default /boot/device.hints Message-ID: <200902060937.55724.jhb@freebsd.org> In-Reply-To: <498C2A70.2030909@icyb.net.ua> References: <200901260947.32870.jhb@freebsd.org> <20090131.212608.-1522433384.imp@bsdimp.com> <498C2A70.2030909@icyb.net.ua>
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On Friday 06 February 2009 7:17:52 am Andriy Gapon wrote: > on 01/02/2009 06:26 M. Warner Losh said the following: > ... > > hint.sc.0.at="isa" > > hint.sc.0.flags="0x100" > ... > > I'm too chicken to remove the hint.sc.0 hints, but maybe they can go. > > > > I've just tried this (7.1/i386) as those were the last hints, it turned > out to be not that scary :) I just didn't get the system console, i.e. > there were no kernel messages during boot and no system console at VT0 > afterwards. VT0 became and stayed completely blank/black after loader > finished its job. > But the system successfully went into multi-user mode, getty-s and X > started normally. Yes, it's just the issue of the console that matters. If that could be made to work w/o needing the hint then we could remove it. > OTOH, with this hint present I see the following in verbose dmesg: > ... > sc: sc0 already exists; skipping it This is because it tried to add itself via an identify routine when it already existed. > ... > sc0: <System console> at flags 0x100 on isa0 > sc0: VGA <16 virtual consoles, flags=0x300> > sc0: fb0, kbd1, terminal emulator: sc (syscons terminal) > > A little bit puzzling. > > And from the code in sys/isa/syscons_isa.c (scidentify) it seems that sc > needs not a hint to get attached. Puzzled again. Yes, it only needs the hint for it to be a console device. -- John Baldwin
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