Cf Card Data Transfer Problem

[outfromoutwhere]

My 512 meg CF card has worked great for me for over a year now on my Zaurus. I've taken data on and off it countless times. Now, just a couple days ago, I started getting the message "Please review with error check function on your Zaurus" when I tried sending data to this same card. I can still read off it, delete things, and rename and what have you, it's just that any size file I try to put on gets this message after a few seconds.

[Meanie]

My 512 meg CF card has worked great for me for over a year now on my Zaurus. I've taken data on and off it countless times. Now, just a couple days ago, I started getting the message "Please review with error check function on your Zaurus" when I tried sending data to this same card. I can still read off it, delete things, and rename and what have you, it's just that any size file I try to put on gets this message after a few seconds.
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you might have some bad sectors. try running e2fsck to check for them and if they are there, then maybe its time to find that warranty card...