From mboxrd@z Thu Jan 1 00:00:00 1970 From: Martin Steigerwald Subject: Re: [regression] 2.6.37-post-rc7 with radeon kms: reproducably locks up hard when using desktop cube of kwin Date: Tue, 8 Mar 2011 18:15:45 +0100 Message-ID: <201103081816.00235.Martin@lichtvoll.de> References: <201103051510.35057.Martin@lichtvoll.de> <1299580669.14068.219.camel@thor.local> (sfid-20110308_163828_651397_1E6F50A0) Mime-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart12406007.ZOnpCmsdst"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1299580669.14068.219.camel@thor.local> Sender: linux-kernel-owner@vger.kernel.org To: Michel =?iso-8859-1?q?D=E4nzer?= Cc: Dave Airlie , linux-kernel@vger.kernel.org, DRI List-Id: dri-devel@lists.freedesktop.org --nextPart12406007.ZOnpCmsdst Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Am Tuesday 08 March 2011 schrieb Michel D=C3=A4nzer: > On Die, 2011-03-08 at 19:40 +1000, Dave Airlie wrote: > > On Tue, Mar 8, 2011 at 7:35 PM, Martin Steigerwald=20 wrote: > > > Its rainy again in Sevilla... > > >=20 > > > Am Sunday 06 March 2011 schrieb Dave Airlie: > > >> > I verified this. Lockup happens with 2.6.38, last one tested > > >> > rc8-gfb62c00, but not with 2.6.37 with exactly same userspace. > > >> > Needed to try the effect several times, as this time the lockup > > >> > with 2.6.38 only happened shortly after the second activation > > >> > of the effect. > > >>=20 > > >> Hmm, can you attach Xorg logs from both? > > >=20 > > > Attached. I have dmesgs available as well. Both kernels are mainly > > > upstream. The 2.6.37 contains some recursive mtime patches from Jan > > > for Ext3/4 that are very likely unrelated. For 2.6.38 I am testing > > > too hibernation patches from Raphael, but the lockup also happened > > > with a plain vanilla 2.6.38 one before. > > >=20 > > >> I'm guessing its either pageflipping or a later kernel allowing > > >> some feature of mesa to be used. > >=20 > > Okay can you try using an xorg.conf with Option "pageflip" "false" > > set in it for the radeon. >=20 > That should be >=20 > Option "EnablePageFlip" "false" So the desktop cube runs absolutely stable with 2.6.38 when I disable page= =20 flipping. The hang just happens with enabled page flipping. But beside the= =20 desktop cube I had no other hang with page flipping enabled. If its not related to exact gfx chip, it should be easily reproducable: =2D install kwin =2D kwin --replace your current window manager =2D make sure composoting is enabled if it isn't=20 =2D Ctrl-Alt-F11, maybe hang happens on the second time, not on the first,= =20 but hang should happen quite reproducably My compositing settings are: martin@shambhala:~> grep -A 13 "\[Compositing\]" ~/.kde/share/config/kwinrc [Compositing] AnimationSpeed=3D3 Backend=3DOpenGL CheckIsSafe=3Dtrue DisableChecks=3Dtrue Enabled=3Dtrue GLDirect=3Dtrue GLMode=3DTFP GLTextureFilter=3D2 GLVSync=3Dtrue HiddenPreviews=3D5 OpenGLIsUnsafe=3Dfalse XRenderSmoothScale=3Dfalse (I disabled checks whether compositing is performant or safe enough=20 sometime ago, as KWin did not enable compositing otherwise, maybe due to=20 performance reasons. But from what I know OpenGL compositing should be=20 pretty safe on my chipset.) Thanks, =2D-=20 Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7 --nextPart12406007.ZOnpCmsdst Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEABECAAYFAk12ZEEACgkQmRvqrKWZhMdr+QCfXxtRr9cw0Rf7KlPJhiXYPoB2 cNUAnioHUQM7VSFp7AO++Y4pJpFln6Cs =RNl9 -----END PGP SIGNATURE----- --nextPart12406007.ZOnpCmsdst--