SD card suddenly read-only

[Derek Broughton]

Dotan Cohen wrote:

> I have been moving files back and forth between an PDA (Dell Axim) and
> my personal computer (the Kubuntu machine) via SD card all day.
> Suddenly, the Kubuntu machine insists that the card is read-only and
> will not write to it. Even reseting the machine and switching card
> readers does not help. The Axim still writes to the card just fine.
> What could be the cause?

Marked dirty and in need of an fsck?  It's just a filesystem like any other,
and if it gets removed without being unmounted first, it's going to need to
be fscked.
-- 
derek