Date: Sat, 11 Jul 2009 07:29:26 -0700 (PDT) From: Barney Cordoba <barney_cordoba@yahoo.com> To: Matt Smith <freebsd@xtaz.co.uk>, Kamigishi Rei <spambox@haruhiism.net> Cc: freebsd-current@freebsd.org Subject: Re: Disk devices changed after upgrade to current Message-ID: <245714.27770.qm@web63908.mail.re1.yahoo.com>
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--- On Sat, 7/11/09, Kamigishi Rei <spambox@haruhiism.net> wrote: > From: Kamigishi Rei <spambox@haruhiism.net> > Subject: Re: Disk devices changed after upgrade to current > To: "Matt Smith" <freebsd@xtaz.co.uk> > Cc: freebsd-current@freebsd.org > Date: Saturday, July 11, 2009, 10:23 AM > Matt Smith wrote: > > I have just upgraded my system from 7.2 to 8.0 using a > source based > > upgrade. After rebooting it for the first time the > server unfortunately > > failed to come back up. I had a look at the console > and found that it was > > failing to find the root device and prompting me for > it. By manually > > entering it I managed to boot the server and could > then see the problem. > > > > In the 7.2 fstab my root partition and swap space were > ad4s1a and ad4s1b > > but after booting the 8.0 kernel these seem to have > changed to ad4a and > > ad4b so I set the new names in the fstab and it's now > working fine. I read > > through the UPDATING file before I did this but I > couldn't see any warnings > > that this may occur. The only entry that's possibly > relevant is 20090320 > > talking about GEOM_PART. > > > If you check June'09 archives, you'll find out that there > already was a question about this, coming from a person with > FreeBSD installed on a dangerously dedicated disk. > Are you sure you aren't using a DDD (a drive that has no > DOS/GPT partition tables, just the bsdlabel)? > > -- > Kamigishi Rei This, unfortunately, is a common problem. There are devices detected in 8 that are not detected in 7 (or vice versa). You can try disabling acpi but that causes different problems. I wasn't able to get 7 and 8 synced in terms of detecting disks no matter what settings I used. Barneyhelp
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