Date: Sun, 12 Mar 2006 00:51:09 -0500 (EST) From: Peter <petermatulis@yahoo.ca> To: "Donald J. O'Neill" <duncan.fbsd@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: "cg 0: bad magic number" (used to be Disappointed with version 6.0) Message-ID: <20060312055109.7923.qmail@web60022.mail.yahoo.com> In-Reply-To: <200603112236.16471.duncan.fbsd@gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
--- "Donald J. O'Neill" <duncan.fbsd@gmail.com> wrote: > > Ok, I have narrowed down my problem a great deal. It appears that > > FreeBSD cannot read the partition table of my 300 GB Seagate > > Barracuda. My dos diagnostic utility works because it accesses the > > disk in a different way. > > > > I used the entire disk (one slice/partition) and attempted to > format > > it. This is what I get after it reaches the end of the disk: > > > > "cg 0: bad magic number" > > > > It also slows down significantly about 3/4 through the procedure. > > > > Are you doing this through sysinstall or are you manually running > fdisk > and bsdlabel. > Through sysinstall. Both disklabel and fdisk don't work. The former gives "input/output error" and output to the latter I gave in my last post. > > Now the funny part. I create two partitions and the newfs output > is > > exactly the same as before when I try to format the first > partition! > > It tries to format as if there is only one partition and produces > the > > same error. > > > > If I remove the slice via sysinstall and then try fdisk I get this: > > > > # fdisk -vBI ad3 > > ******* Working on device /dev/ad3 ******* > > parameters extracted from in-core disklabel are: > > cylinders=581421 heads=16 sectors/track=63 (1008 blks/cyl) > > > > Figures below won't work with BIOS for partitions not in cyl 1 > > parameters to be used for BIOS calculations are: > > cylinders=581421 heads=16 sectors/track=63 (1008 blks/cyl) > > > > Information from DOS bootblock is: > > 1: sysid 165 (0xa5),(FreeBSD/NetBSD/386BSD) > > start 63, size 586072305 (286168 Meg), flag 80 (active) > > beg: cyl 0/ head 1/ sector 1; > > end: cyl 812/ head 15/ sector 63 > > 2: <UNUSED> > > 3: <UNUSED> > > 4: <UNUSED> > > fdisk: Geom not found > Is this a brand new disk? Has it ever been used before? Is it still > under warrantee? If it is, take it back and get it replaced. Yeah, I'm leaning that way too. > Hey, I just saw it. You made Google search. Huh? > It looks to me like things just went through the motions and not the > actuality of installing ufs on the drive. That's happened to me a > couple of times and from what I remember, I had to start the install > over from the beginning - and I seem to recall something about having > > to install windows first and reformatting all the hard-drives with > NTFS, then I could go back in and install FreeBSD. Otherwise, I > couldn't get FreeBSD to install, it just went through the motions, > wiping out whatever was on the hard-drives but not putting in > FreeBSD. > Without a CDROM, it's going to be a little bit rough to do. I don't understand why you mention Windows. Surely I don't require Windows to get this drive to work. As for the cdrom, I can always put it back to do an install. It doesn't cause trouble -just slows down the boot drive. -- Peter __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060312055109.7923.qmail>