Date: Thu, 8 Apr 1999 10:46:51 +0200 (MET DST) From: Jens Schweikhardt <schweikh@noc.dfn.de> To: rich@chumbly.math.missouri.edu (Rich Winkel) Cc: rich@chumbly.math.missouri.edu, freebsd-stable@FreeBSD.ORG Subject: Re: 3.1-RELEASE install: changing root device to both wd2s1a and wd2a Message-ID: <199904080846.KAA08161@obsidian.noc.dfn.de> In-Reply-To: <199904072023.PAA10011@chumbly.math.missouri.edu> from "Rich Winkel" at Apr 7, 99 03:23:34 pm
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Rich, # I should mention he has a somewhat unusual disk configuration. # The freebsd disk is the IDE master on the second controller, # and there's only 1 disk on the first controller. Might this be a # problem? # # According to Rich Winkel: # > # > I'm trying to talk a friend through the CD install on the phone. The # > install appears to go fine, but when he reboots, it says: # > changing root device to wd2s1a # > AND # > changing root device to wd2a # > before panicing with "can't mount /" # > Has anyone seen this before? # > # > Thanks for any help!! # > Rich I've had a similar problem with a box having 1 IDE and 2 SCSI disks. Some probe code apparently gets confused (due to BIOS braindamage, I'm told) and can't reliably determine the root disk device. This is why the new boot code allows you to set root_disk_unit=0 (or 1, 2, ...) before you boot (Hit the "any key" when the 10sec countdown runs to get at the prompt to set root_disk_unit.) You may want to look at a few files near http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/boot/i386/loader/help.i386 for more info. Regards, Jens -- Jens Schweikhardt http://www.shuttle.de/schweikh/ SIGSIG -- signature too long (core dumped) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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