Error in __bread reading a 4K block from a SATA device

["Thanos McAtos" <mcatos@xxxxxxxxxxxx>]

Hello,

I'm trying to read a 4KB block using __bread from a SATA device but I get
the following error:

__find_get_block_slow() failed. block=1, b_blocknr=0
b_state=0x00000029, b_size=4096

If I try to read a 2K block (which is the hard sector size of the device),
it works fine.

Kernel version is 2.6.20.21. I have used this function at another system but
the device from which I read was an IDE one and it's hard sector size was
512 bytes.

The old device was at a 32bit system, the new one is at a 64bit one.

What could be wrong?

Thanx in advance.




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