kern/129875: Kernel fails to mount disks after r186240

Joseph S. Atkinson jsatkinson at
Mon Dec 22 18:40:01 PST 2008

>Number:         129875
>Category:       kern
>Synopsis:       Kernel fails to mount disks after r186240
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Dec 23 02:40:01 UTC 2008
>Originator:     Joseph S. Atkinson
>Release:        FreeBSD 8.0-CURRENT i386

System: FreeBSD 8.0-CURRENT #0: Mon Dec 22 20:04:21 EST 2008
    jsa at


r186240 breaks the disk mounting phases of boot on my machine. The disk itself is detected, but no partitions are recognized.

The only "strange" thing about my setup is that the drives are "Dangerously Dedicated" and I thus use the simple boot loader.

The MEPHISTO kernel is GENERIC with the extra debugging in head removed.


Boot a kernel built with the GEOM_* changes in r186240 on i386.


Revert the sys/i386/conf/DEFAULTS GEOM_* changes, and build a new kernel. All works as it did prior.


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