random problem with 8.3 from yesterday

Andriy Gapon avg at FreeBSD.org
Fri Feb 24 22:40:01 UTC 2012

on 24/02/2012 18:23 Ian Lepore said the following:
> I've always
> suspected something in the geom layer isn't noticing that a CF or SD
> card in the reader got removed/inserted/reformatted, and un-/re-plugging
> the whole reader (making the cam layer destroy and recreate the devices)
> makes geom aware of the change.

This is a fact, actually.  Nothing in GEOM layer (and below it) notices a silent
card change, since most hardware doesn't have any notification for the change
and FreeBSD disk stack doesn't do any polling for changes.

Andriy Gapon

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