Re: Serious IDE problem still present in 2.6.14

From: Andrew Morton
Date: Thu Nov 10 2005 - 23:53:21 EST


David Ronis <ronis@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> I've been busy and have been a bit late responding to this. In short,
> have a problem with disk performance on a HP Pavilion laptop in the
> 2.6.1[34] kernels (it works fine under 2.6.12.x). I've summarized much
> of the tests I've run on in a post to linux-kernel and linux-ide (when
> we thought it was a problem in the ATIIXP module) at:
>
> http://marc.theaimsgroup.com/?l=linux-kernel&m=112802950411697&w=2
>
> After working with Stefan for a bit, we determined that the problem is
> in the ACPI modules (in fact setting ACPI=ht at boot fixes it, although
> other things seem to break, as described below). Stefan suggested I
> repost the bug to the linux-kernel list, and so here it is.

The acpi team are very bugzilla-oriented. Could you please open a bug
report for this, against acpi at bugzilla.kernel.org?

Thanks.
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