Problem with 16-in-1 card reader

Benjamin Lutz benlutz at
Sat Mar 11 14:00:29 UTC 2006

Hi Alex,

> My new PC has an internal 16-in-1 card reader connected via USB 2.0. The
> device is the Techsolo TCR-1640
> (
> 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. I tried to issue all sort of camcontrol commands
> (rescan the bus, eject and load the device, ...) but the dev entries
> remain unchanged (equal as boot time) even if the card is inserted or
> removed (camcontrol tur can see if the media is ready or not).
> The system is a recent 6.1-PRERELEASE.
> Any ideas or suggestions?

Did you try to unplug the whole card reader, inserting the new CF card an then 
plugging it back into an USB port? It's /dev/da* entries should disappear 
once it's unplugged, and be newly created when it's reconnected.

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