Re: bio too big device

John Bradford
2003-03-12T18:52:28Z

> >I am not quite sure I understand your reasoning.
> >We have seen *zero* drives that do not understand 256 sector commands.
> >Maybe such drives exist, but so far there is zero evidence.
>
> That is definitely not true. We definitely _have_ had drives that
> misconstrue the 256-sector case. It's been a long time, but they
> definitely exist.
>
> The right limit for IDE is 255 sectors, and doing 256 sectors WILL fail
> on some setups.

Couldn't we have a list of known good drives, though, and enable 256
sectors as a special case?

John.