Problem with 16-in-1 card reader

[Robert Marella]

On Sat, 11 Mar 2006 13:51:30 +0100
Alex Dupre <ale at FreeBSD.org> wrote:

> My new PC has an internal 16-in-1 card reader connected via USB 2.0.
> The device is the Techsolo TCR-1640
> (http://www.techsolo.de/product/cardreader/tcr_1640/index.php).
> I boot from a compact flash inserted in it and I can mount and unmount
> the same CF once the system has booted and has mounted the root
> partition from my graid3 array.
> The problem arise when I replace the inserted CF with another one
> (with different size and filesystem) and try to mount it. Fdisk can
> correctly sees the new partition table, but devfs is not updated and
> I cannot mount the new media. 

<snip>

Hello Alex

This problem has been discussed many times on the lists. In order to
update devfs you can use:

cat /dev/null > /dev/daX

I seem to remember another method using dd.

I hope this helps.

Robert