linux-kernel - Re: loading EHCI_HCD slows down IDE disk performance by 50%

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Message-ID: <5a4c581d0610291152r7f538188m4ce52fba1f5f4683@mail.gmail.com>
Date:	Sun, 29 Oct 2006 20:52:26 +0100
From:	"Alessandro Suardi" <alessandro.suardi@...il.com>
To:	"Lee Revell" <rlrevell@...-job.com>
Cc:	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: Re: loading EHCI_HCD slows down IDE disk performance by 50%

On 10/29/06, Lee Revell <rlrevell@...-job.com> wrote:
> On Sun, 2006-10-29 at 19:13 +0100, Alessandro Suardi wrote:
> > Any hints/tips about what to try with this issue will be
> >  of course very welcome.
>
> git bisect

As I clarified to Lee in private email, this method doesn't
 seem to apply in this situation, as the problem appeared
 when I selected CONFIG_EHCI_HCD in my build due to the
 purchase of the USB2.0 disk, back in the 2.6.16-rc cycle;
 so if the combination of high performance IDE + EHCI_HCD
 ever existed, it must be earlier than 2.6.16-rc5-git8.

Lacking any input I'll try to find out more in the next week
 by starting out at 2.6.10 and eventually earlier.

Thanks, ciao,

--alessandro

"...when I get it, I _get_ it"

     (Lara Eidemiller)
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