Re: [BUG] ide dma_timer_expiry, then hard lockup

Alan Cox
2007-06-21T21:36:15Z

> > queue ? You are overestimating IDE ;)
>
> He's not -- there is queued commands support since ATA[PI]-5. I'm not sure
> why but Linux decided not to support it.

Almost no hardware supports it and the functionality is really really
ugly to use when it works at all - NCQ is rather more elegant.

Alan