NAND fail testing

David A. Marlin dmarlin at redhat.com
Thu Jan 13 12:56:07 EST 2005


Thomas Gleixner wrote:

> 
> We have blocked the access to short writes. You can do the following:
> 
> Erase a block from userspace with flash_erase
> Write a page of all 0xff except one byte to the first page using
> nandwrite
> 
> Repeat until you get an error

Would this not still 'write' all bytes in the page (even though they are 
0xff and unchanged), causing them to also wear and possibly fail?


d.marlin





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