Messages in this thread | | | Date | Thu, 11 Sep 2008 10:30:41 +0200 | From | Rene Herman <> | Subject | Re: AGP PAT issue. |
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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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