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SubjectRe: AGP PAT issue.
On 11-09-08 10:17, Ingo Molnar wrote:

> * Rene Herman <rene.herman@keyaccess.nl> wrote:
>
>> On 22-08-08 22:02, Rene Herman wrote:
>>
>>> On 22-08-08 06:15, Ingo Molnar wrote:
>>>> The frontside cache itself is in x86/urgent:
>>>>
>>>> # 80c5e73: x86: fix Xorg startup/shutdown slowdown with PAT
>>>>
>>>> ... and should at least solve the symptom that you've hit in practice
>>>> (the slowdown), without changing the underlying PAT machinery. (which
>>>> would be way too dangerous for v2.6.27)
>>> Well, please note that that specific commit only fixes X startup -- it
>>> doesn't do anything for shutdown. With only that one, I'm still at 14
>>> seconds for X shutdown (first time after boot that is, 5 seconds
>>> subsequent shutdowns) versus 1 (or sub 1, feels immediate) normally.
>>>
>>> It's also a black-screen "hang", so we'll probably be getting a lot of
>>> "long hang at shutdown" reports without something additionally for .27.
>>>
>>> Venki?
>> Haven't been subcribed to any lists recently and someone was talking
>> about "the other thread" before but just noticed that an -rc6 was cut.
>>
>> Please note that the shutdown issue remains unfixed in it (I'm doing
>> my coalescing changes locally).
>
> here's what is pending in tip/x86/pat for v2.6.28:

Only talking about .27 and just making sure again the issue is known.

The above mentioned subject for the entry cache one ("fix Xorg
startup/shutdown slowdown with PAT") after all mistakingly says it does
something for shutdown.

Rene.


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