Re: kern/41725 (uvm fault and problems unmounting file sytems at shutdown)

[Alan Barrett <apb%cequrux.com@localhost>]

On Sat, 25 Jul 2009, David Young wrote:
> Try this patch.  It maintains the openmask as a disk is supposed to.

Thank you; that does help.  Now I see this:

        ppb2: detached
        ppb1: detached
        audio1: detached

        unmounting 0xd02e5004 /cgd1a/ (/dev/cgd1a)...
        unmounting 0xd02d422c / (/dev/md0a)...
        forcefully unmounting /cgd1a/ (/dev/cgd1a)...forcefully unmounted
        /dev/cgd1a on /cgd1a/ type ffs

        unmounting 0xd02d422c / (/dev/md0a)...
        forcefully unmounting / (/dev/md0a)...forcefully unmounted
        /dev/md0a on / type ffs
        md0: detached
        acpi0: entering state 5

The system powers off correctly, and the md0 device is detached after,
rather than before, the md0a file system is unmounted.  These are both
improvements over the previous situation.

However, I remain concerned about the fact that the /dev/md0a and
/dev/cgd1a file systems were unmounted forcefully instead of gracefully,
and the fact that I don't see any "cgd1: detached" or "wd0: detached"
messages.

--apb (Alan Barrett)