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

On Tue, 28 Jul 2009, David Young wrote:
> cgd1 is not a pseudo-device, so it cannot be detached.  If it is backed
> by wd0, then wd0 will not be detached.

So pseudo-devices (e.g. md0) can be detached, and real devices
(e.g. ppb1) can be detached, but cgd is somehow in neither of those
categories, and therefore cannot be detached?  I find this confusing.

--apb (Alan Barrett)

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