Nand flash: hang after erase

[David Woodhouse]

eclarke at aminocom.com said:
> I'm playing with nandtest on an mtd partition, and found it hangs
> after it has erased the first block. Putting in some debug I find that
> it gets as far as the schedule call in mtdchar.c mtd_ioctl line 324

What is erase->state? If the erase attempt has completed, either
successfully or otherwise, it should be one of the two values which 
prevents the call to schedule(). 

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dwmw2