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Date:      Wed, 12 Jan 2000 02:40:02 -0800 (PST)
From:      Bruce Evans <bde@zeta.org.au>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: misc/16068: FreeBSD 3.3 with IDE > 32GB causes Panic: ufs_dirbad: bad dir during installation
Message-ID:  <200001121040.CAA11686@freefall.freebsd.org>

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The following reply was made to PR misc/16068; it has been noted by GNATS.

From: Bruce Evans <bde@zeta.org.au>
To: jbebeau@1nettw.com
Cc: freebsd-gnats-submit@FreeBSD.ORG
Subject: Re: misc/16068: FreeBSD 3.3 with IDE > 32GB causes Panic: ufs_dirbad:
 bad dir during installation
Date: Wed, 12 Jan 2000 21:37:38 +1100 (EST)

 On Tue, 11 Jan 2000 jbebeau@1nettw.com wrote:
 
 > >Synopsis:       FreeBSD 3.3 with IDE > 32GB causes Panic: ufs_dirbad: bad dir during installation
 
 > I'm upgrading to a bigger dist and chose to install 3.3 again from CD.  During the install process, just after the newfs system panics:
 > Panic: usf_dirbad: bad dir followed by syncing disks...65 65 9 1 1.. done.
 > I'm replacing a Matox 8GM with a Matrox 36GM model 93652U8.  At boot time, FreeBSD reports wd0 34837MB (71346240 sectors) 70780 cyl, 16 heads, 63 S/T 512 T/S and the doc indicates I should use the BIOS values. I've tried several combinations, all yeild result.
 
 The limit for the wd driver in CHS mode is 65536 cylinders.  Don't use
 cylinders above # 65535, or you will get corrupted data on the
 corresponding cylinders mod 65536, and errors like the above.
 
 LBA mode has been reported to work, but is doesn't support kernel dumps.
 Don't use kernel dumps with LBA mode, or you will get corrupted data.
 
 Bruce
 
 


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