Date: Sun, 17 Jan 1999 14:23:59 -0800 From: Ulf Zimmermann <ulf@Alameda.net> To: Mike Smith <mike@smith.net.au>, ulf@Alameda.net Cc: current@FreeBSD.ORG Subject: Re: possible problem with new boot loader ? Message-ID: <19990117142359.J28911@TelcoSucks.org> In-Reply-To: <199901172157.NAA09016@dingo.cdrom.com>; from Mike Smith on Sun, Jan 17, 1999 at 01:57:20PM -0800 References: <19990117134951.H28911@TelcoSucks.org> <199901172157.NAA09016@dingo.cdrom.com>
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On Sun, Jan 17, 1999 at 01:57:20PM -0800, Mike Smith wrote: > > On Sun, Jan 17, 1999 at 01:36:12PM -0800, Mike Smith wrote: > > > > > There are two issues here: > > > > > > > > > > o The bootblocks get the SCSI unit number wrong in cases where > > > > > IDE drives are also attached. > > > > > > > > > > This is to be expected. There is just insufficient space > > > > > available to the bootblocks for "smarter" logic. > > > > > > > > > > The old bootblocks have a build setting BOOT_HD_BIAS to work > > > > > around this problem. The new bootblocks rely on /boot.config. > > > > > You can have > > > > > > > > > > 2:da(0,a) > > > > > > > > If I do that, it does find the loader, but the kernel panics, because > > > > it thinks root should be on da2s1a. > > > > > > You need 'set num_ide_disks=2' > > > > > > The variable's somewhat misnamed, and I'm still groping for an > > > algorithm that'll get it more or less right without screwing the pooch > > > should we ever improve the root mount detection in the kernel. > > > > Set that where? At the disk1s1a:> prompt ? Still can't find kernel. > > num_ide_disks will help the kernel work out where the root filesystem > is. If you can't find the kernel, try 'ls' to start with, and then > send the output 'lsdev' > > I'm also curious why you get a 'disk1s1a' prompt, when it should be > disk3 (presuming you have a floppy disk). Have you installed new > bootblocks on your boot disk? I have installed the new bootblocks with disklabel -B -b /boot/boot1 -s /boot/boot2 /dev/da0s1. I use System Commander, that might have an influence too. > > -- > \\ Sometimes you're ahead, \\ Mike Smith > \\ sometimes you're behind. \\ mike@smith.net.au > \\ The race is long, and in the \\ msmith@freebsd.org > \\ end it's only with yourself. \\ msmith@cdrom.com > -- Regards, Ulf. --------------------------------------------------------------------- Ulf Zimmermann, 1525 Pacific Ave., Alameda, CA-94501, #: 510-769-2936 Alameda Networks, Inc. | http://www.Alameda.net | Fax#: 510-521-5073 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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