Re: ATA device reset, shoud I be concerned?

[Alan Cox]

> while IDE thinks that IRQ might be lost and complete the command if the
> TF status register says so.

For PATA at least that makes a lot of sense. It would probably make the
Promise driver a lot more stable too.

> It could be that the particular device doesn't raise IRQ on certain
> error conditions but updates TF registers.  After timeout, IDE completes
> the command with the indicated error while libata ignores the status and
> resets the device.

And loses the important information like media errors
 
> libata never touches TF register after timeout because some controllers
> lock up hard if TF register is read after certain error conditions
> (event the status register).

Should that not then be a per host flag ?

Alan
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