Re: [Bug #12417] glx performance drop with: "x86: PAT: implementtrack/untrack of pfnmap regions for x86 - v3"

From: Alexey Fisher
Date: Tue Jan 20 2009 - 04:10:20 EST

Ingo Molnar schrieb:
* Rafael J. Wysocki <rjw@xxxxxxx> wrote:

This message has been generated automatically as a part of a report
of recent regressions.

The following bug entry is on the current list of known regressions
from 2.6.28. Please verify if it still should be listed and let me know
(either way).

Bug-Entry :
Subject : glx performance drop with: "x86: PAT: implement track/untrack of pfnmap regions for x86 - v3"
Submitter : Alexey Fisher <bug-track@xxxxxxxxxxxxxxxxx>
Date : 2009-01-06 18:46 (14 days old)
References :
Handled-By : Pallipadi, Venkatesh <venkatesh.pallipadi@xxxxxxxxx>

is it still broken with the current lineup of x86 fixes:

git pull git:// x86-fixes-for-linus



I migrated now to the next ubuntu versio, hope it do no hava mach difference.
There is no warnings in dmesg about mtrr or pat, no xorg crashes with glxx but same pure performace. With enabled or disabled drm i get ~300fps

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