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Subject: Re: Power saving and ATA

Re: Power saving and ATA

From: Björn Stenberg <bjorn_at_haxx.se>
Date: Fri, 11 Apr 2003 09:33:24 +0200

Linus Nielsen Feltzing wrote:
> I wonder if this is good behaviour. If the hard disk is just a little
> slow and the status isn't set yet, the thread goes to sleep and won't
> wake up until the next tick interrupt (or the DMA or MP3 tick
> interrupt). This means that the ATA driver waits several milliseconds
> too long for every status poll, worst case is 10ms.

Excellent catch! This is most likely what is causing Owen Kalau's delay.

I'll fix it.

-- 
Björn
Received on 2003-04-11

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