From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tomi Valkeinen Subject: Re: omap DSS fails with tft410 driver panel? Date: Thu, 29 Nov 2012 16:56:35 +0200 Message-ID: <50B777A3.1080803@ti.com> References: <50ADE6A5.3030001@ti.com> <50AF37EA.3080400@ti.com> <50B4A4D7.2070203@ti.com> <50B74592.3020308@ti.com> <50B771D3.8050907@ti.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigA0EAC8A330CD95694F845421" Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:39371 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753407Ab2K2O4k (ORCPT ); Thu, 29 Nov 2012 09:56:40 -0500 In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Steve Sakoman Cc: Enric Balletbo Serra , "linux-omap@vger.kernel.org" , Tony Lindgren , Javier Martinez Canillas --------------enigA0EAC8A330CD95694F845421 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 2012-11-29 16:53, Steve Sakoman wrote: > On Thu, Nov 29, 2012 at 6:31 AM, Tomi Valkeinen = wrote: >=20 >>> It is stock Linux 3.6 (i.e. commit a0d271cbfed1dd50278c6b06bead3d00ba= 0a88f9) >> >> Still can't reproduce. So does the null pointer deref happen at boot >> time? What display related kernel boot options do you have? This looks= >> funny, considering lcd43 is a bit smaller lcd: >=20 > Yes, it happens at boot time. >=20 > The boot options: >=20 > [ 0.000000] Kernel command line: console=3DttyO2,115200n8 mpurate=3D= 500 > vram=3D12M omapfb.mode=3Ddvi:1024x768MR-16@60 omapdss.def_disp=3Dlcd43 > root=3D/dev/mmcblk0p2 rw rootfstype=3Dext3 rootwait Ok, now I see it. It happens because DVI is not configured to be used, but you have DVI video mode specified in the command line. I'll study this further and make a fix. Tomi --------------enigA0EAC8A330CD95694F845421 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Using GnuPG with undefined - http://www.enigmail.net/ iQIcBAEBAgAGBQJQt3ejAAoJEPo9qoy8lh71ILcQAIHnzdochwzwxvdepBvLtHPe WG7CLBSAEWSabXj6+Nv4xie27Pnpkt3ZyK1fqRvNOZOErqpfmPMsQVtPi3D7/hOI aN23FLtEvsz7EMlLZrV8kZSmm11ryy4o+DnaJKZ7SK6sxpbq/51VhkTMrK1D1Xvh E16hCMDv/sYjaXe6QY4sddVlNCPs0pN6uD2LAzvi5uVa2j5X1sUCdkS2YDKiNX0k 576+OFLIWBAcYCUOiSV16cneBpksmpM13N+e8N+Ig5tco+Ja37I6d1emkM2wPB81 KwN9FcU+CnDIdzeyek2uzf9IdsJDrpFdIX7MuDqJ9mK9PTs6lBkKDwDXunkJ+oA3 sj3PtY8soHf2ewQqFdq1TyawTenigk+l0+K7yAbdz1lMzWWtmyW2hMF4+XDFcmFO YxRBsgeXmrR7Bj7boqaSD4hZ+TygM0o1LUznEHFs1Z4YxPHPSWAnCNGEZTUIUGo0 egtBHySsyY+ctjki8TZkw8t8ez1ONbYjjvfaTs1DO+2tN0USAw7dV657n0yYqMoF Z8E9dr83nMR+UmJO3sBpYumRHa/T39egGFHh6euX65xq/DobTlGlT1Lzl3Egs6oQ zPeyFfn+yb6a+7yay2Ixia9M9vRhB2zdGXt4pcCBEvdb1shieUC24ORPuPycdjZN qQ1Ez08Wh+mQ+ALupjNL =Z0do -----END PGP SIGNATURE----- --------------enigA0EAC8A330CD95694F845421--