From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 83436] Sudden framerate drops in multiple games when compiling with -mtune=generic (as well with -mtune=pentium-mmx and older CPUs) Date: Sun, 02 Aug 2015 18:31:41 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0828089196==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 349986E2C1 for ; Sun, 2 Aug 2015 11:31:42 -0700 (PDT) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0828089196== Content-Type: multipart/alternative; boundary="1438540301.dbe22.22832"; charset="UTF-8" --1438540301.dbe22.22832 Date: Sun, 2 Aug 2015 18:31:41 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable https://bugs.freedesktop.org/show_bug.cgi?id=3D83436 --- Comment #35 from smoki --- (In reply to Marek Ol=C5=A1=C3=A1k from comment #34) > Is this issue still happening on current Mesa git? 32bit apps on 32bit kernel are fine, as GTT_WC is disabled for X86_32: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id= =3Da08b588e4199e4200d26027ffcdf3ab2fa906412 But now issue appear too for 64bit kernel using 32bit apps, so it is still= an issue. 64bit kernel and 64bit apps are not affected. Unrelated to this driver, but i also found that 32bit fglrx is also slow on the same thing... GTT_WC while running some 32bit apps simply made things m= uch slower. Of course no idea how to do anything with that driver to 100% approve that = :) --=20 You are receiving this mail because: You are the assignee for the bug. --1438540301.dbe22.22832 Date: Sun, 2 Aug 2015 18:31:41 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable

Commen= t # 35 on bug 83436<= /a> from = smoki 
(In reply to Marek Ol=C5=A1=C3=A1k from comment #34)
> Is this issue still happening on current Mesa gi=
t?

 32bit apps on 32bit kernel are fine, as GTT_WC is disabled for X86_32:


http://git.kernel.org=
/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3Da08b588e4199e4200d26=
027ffcdf3ab2fa906412

 But now issue appear too for 64bit kernel using 32bit apps, so it is still=
 an
issue. 64bit kernel and 64bit apps are not affected.

 Unrelated to this driver, but i also found that 32bit fglrx is also slow on
the same thing... GTT_WC while running some 32bit apps simply made things m=
uch
slower.
Of course no idea how to do anything with that driver to 100% approve that =
:)

You are receiving this mail because: =20=20=20=20=20=20
  • You are the assignee for the bug.
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