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Date:      Wed, 30 Sep 1998 00:53:30 -0700
From:      "David O'Brien" <obrien@NUXI.com>
To:        freebsd-current@FreeBSD.ORG
Subject:   potential UFS kernel problem
Message-ID:  <19980930005330.A1326@nuxi.com>

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I would really appreciate it if someone would see if this patch to
GENERIC produces a kernel that can't mount a UFS root.

With this minimal change, I get the following when booting:

    ccdconfig ...
    fsck ....
    <fsck output>
    mount: ufs filesystem is not available
    Filesystem mount failed, startup aborted
    Enter full pathname for shell ....


I got this when I upgraded from the 19980803-SNAP (ie, pre-LETTERS), to
-CURRENT from a CVSup yesterday.  I have *not* passed thru E-day, but the
CVSup did take me thru C-day and P-day.

Thru many kernel compiles, I have narrowed it down the changes below.
Note that uncommenting any one of the options resolves the problem.  I
usually don't statically compile in these FS's so that the LKM versions
will be used.

-- 
-- David    (obrien@NUXI.ucdavis.edu  -or-  obrien@FreeBSD.org)


--- GENERIC	Sat Sep 19 13:55:55 1998
+++ MINBAD	Tue Sep 29 23:45:23 1998
@@ -25,12 +25,12 @@
 options		INET			#InterNETworking
 options		FFS			#Berkeley Fast Filesystem
 options		NFS			#Network Filesystem
-options		MSDOSFS			#MSDOS Filesystem
-options		"CD9660"		#ISO 9660 Filesystem
-options		"CD9660_ROOT"		#CD-ROM usable as root device
+#options		MSDOSFS			#MSDOS Filesystem
+#options		"CD9660"		#ISO 9660 Filesystem
+#options		"CD9660_ROOT"		#CD-ROM usable as root device
 options		FFS_ROOT		#FFS usable as root device [keep this!]
-options		NFS_ROOT		#NFS usable as root device
-options		PROCFS			#Process filesystem
+#options		NFS_ROOT		#NFS usable as root device
+#options		PROCFS			#Process filesystem
 options		"COMPAT_43"		#Compatible with BSD 4.3 [KEEP THIS!]
 options		SCSI_DELAY=15000	#Be pessimistic about Joe SCSI device
 options		UCONSOLE		#Allow users to grab the console

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