From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753531Ab1KKWad (ORCPT ); Fri, 11 Nov 2011 17:30:33 -0500 Received: from os.inf.tu-dresden.de ([141.76.48.99]:51329 "EHLO os.inf.tu-dresden.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752669Ab1KKWac (ORCPT ); Fri, 11 Nov 2011 17:30:32 -0500 Date: Fri, 11 Nov 2011 23:30:18 +0100 From: Udo Steinberg To: Cc: Linux Kernel Mailing List , dri-devel@lists.freedesktop.org Subject: i915 screen corruption Message-ID: <20111111233018.629c864b@x220> X-Mailer: X-Mailer 5.0 Gold Mime-Version: 1.0 Content-Type: multipart/signed; micalg=PGP-SHA1; boundary="Sig_/b41QxSY.i5KlrW/w70_5baZ"; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Sig_/b41QxSY.i5KlrW/w70_5baZ Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable Hi, On a Lenovo Thinkpad X220 with Gen6 (SNB) integrated graphics, I occasional= ly get screen corruption under X. Every time this happens I'm seeing the following in dmesg. This is a vanilla Linux 3.1 kernel. Cheers, - Udo ------------[ cut here ]------------ WARNING: at drivers/gpu/drm/i915/i915_drv.c:387 __gen6_gt_wait_for_fifo+0x6= 3/0x6e() Hardware name: 4290W4H Pid: 1671, comm: X Not tainted 3.1.0 #1 Call Trace: [] ? warn_slowpath_common+0x73/0x87 [] ? __gen6_gt_wait_for_fifo+0x63/0x6e [] ? gen6_ring_put_irq+0x66/0xa6 [] ? i915_wait_request+0x2e0/0x3b9 [] ? render_ring_flush+0xa1/0xac =20 [] ? abort_exclusive_wait+0x79/0x79 [] ? i915_gem_flush_ring+0x24/0xdc=20 [] ? i915_gem_do_execbuffer.clone.8+0xd7b/0x11cf [] ? i915_gem_execbuffer2+0x12b/0x1ac [] ? drm_ioctl+0x251/0x306 [] ? i915_gem_execbuffer+0x360/0x360 [] ? init_fpu+0x10b/0x124 [] ? check_for_xstate+0x1c/0x71 [] ? do_vfs_ioctl+0x404/0x445 =20 [] ? sys_rt_sigreturn+0x196/0x1c5 [] ? sys_ioctl+0x3c/0x5e [] ? system_call_fastpath+0x16/0x1b ---[ end trace 63d59cd44de45e89 ]--- --Sig_/b41QxSY.i5KlrW/w70_5baZ Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iEYEARECAAYFAk69ofoACgkQnhRzXSM7nSmgpACbBzEA2HgnS923/26Ql+0MLeqb krIAn1VbPikJD7db/LV0MdjPtUfxP/m+ =GmFM -----END PGP SIGNATURE----- --Sig_/b41QxSY.i5KlrW/w70_5baZ--