From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759743AbZACAfK (ORCPT ); Fri, 2 Jan 2009 19:35:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757987AbZACAe6 (ORCPT ); Fri, 2 Jan 2009 19:34:58 -0500 Received: from 69-30-77-85.dq1sn.easystreet.com ([69.30.77.85]:64660 "EHLO camus.anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757500AbZACAe5 (ORCPT ); Fri, 2 Jan 2009 19:34:57 -0500 Subject: Re: i915 KMS framebuffer oops report From: Eric Anholt To: Hubert Tonneau Cc: airlied@gmail.com, linux-kernel@vger.kernel.org In-Reply-To: <08IR6K911@briare1.fullpliant.org> References: <08IR6K911@briare1.fullpliant.org> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="=-yM0NE1CO3ZJ1LVQToDZs" Date: Fri, 02 Jan 2009 16:34:54 -0800 Message-Id: <1230942894.4727.5.camel@gaiman.anholt.net> Mime-Version: 1.0 X-Mailer: Evolution 2.22.3.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-yM0NE1CO3ZJ1LVQToDZs Content-Type: text/plain Content-Transfer-Encoding: quoted-printable On Tue, 2008-12-30 at 14:21 +0000, Hubert Tonneau wrote: > I've tested the GIT tree submitted by Airlied for inclusion > in 2.6.29, and just got an oops when trying to load i915 > with kernel mode setting: Hmm, I've been poking at modesetting a bunch today while working on HDMI support, and haven't managed to reproduce this. Could you open a bug with .config and dmesg? > <6>Linux agpgart interface v0.103 > <6>agpgart-intel 0000:00:00.0: Intel 945GM Chipset > <6>agpgart-intel 0000:00:00.0: detected 7932K stolen memory > <6>agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xd0000000 > <6>[drm] Initialized drm 1.1.0 20060810 > <6>pci 0000:00:02.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 > <7>pci 0000:00:02.0: setting latency timer to 64 > <1>BUG: unable to handle kernel NULL pointer dereference at 00000000 > <1>IP: [<00000000>] 0x0 > <4>*pde =3D 00000000=20 > <0>Oops: 0000 [#1] SMP=20 > <0>last sysfs file:=20 > <4>Modules linked in: i915(+) cfbfillrect cfbimgblt cfbcopyarea i2c_algo_= bit drm i2c_core intel_agp agpgart > <4> > <4>Pid: 1420, comm: insmod Not tainted (2.6.28 #1) Latitude D820 = =20 > <4>EIP: 0060:[<00000000>] EFLAGS: 00010246 CPU: 1 > <4>EIP is at 0x0 > <4>EAX: 00000000 EBX: c1fbc2a0 ECX: c2008500 EDX: c1fbc2a0 > <4>ESI: 00000000 EDI: f6f64148 EBP: 00000000 ESP: f648bca8 > <4> DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > <0>Process insmod (pid: 1420, ti=3Df648a000 task=3Df6fcd8d0 task.ti=3Df64= 8a000) > <0>Stack: > <4> c0152fe0 000000d0 00000000 00000000 00000000 00000000 f6f64148 c01530= 54 > <0> 00000000 00000000 00000000 00000000 00000020 f65853c0 c01530f0 000000= 00 > <0> f65853c0 f7e08bcc 00000000 f7cd3931 f6437f40 f6f64148 f6585440 f65853= c0 > <0>Call Trace: > <0> [] __read_cache_page+0x70/0xc0 > <0> [] read_cache_page_async+0x24/0xb0 > <0> [] read_cache_page+0x10/0x50 > <0> [] i915_gem_object_get_page_list+0x7c/0x100 [i915] > <0> [] drm_mm_split_at_start+0x21/0x80 [drm] > <0> [] i915_gem_object_bind_to_gtt+0xd7/0x1f0 [i915] > <0> [] i915_gem_object_pin+0x87/0xd0 [i915] > <0> [] i915_gem_init_object+0x12/0x50 [i915] > <0> [] drm_gem_object_alloc+0x87/0xb0 [drm] > <0> [] i915_gem_init_ringbuffer+0x71/0x340 [i915] > <0> [] drm_mm_create_tail_node+0x27/0x80 [drm] > <0> [] i915_load_modeset_init+0x2e7/0x460 [i915] > <0> [] i915_driver_load+0x1ba/0x2c0 [i915] > <0> [] drm_get_dev+0x1ce/0x200 [drm] > <0> [] pci_get_dev_by_id+0x40/0x80 > <0> [] drm_init+0x8c/0xf0 [drm] > <0> [] i915_init+0x0/0x6a [i915] > <0> [] do_one_initcall+0x23/0x1d0 > <0> [] idr_get_empty_slot+0xc5/0x150 > <0> [] sysfs_add_one+0x12/0x50 > <0> [] ida_get_new_above+0x3f/0x1b0 > <0> [] sysfs_ilookup_test+0x0/0x10 > <0> [] sysfs_ilookup_test+0x0/0x10 > <0> [] ifind+0x31/0xa0 > <0> [] __sysfs_add_one+0x47/0x80 > <0> [] sysfs_add_one+0x12/0x50 > <0> [] sysfs_addrm_start+0x3f/0xb0 > <0> [] sysfs_addrm_finish+0xe/0xa0 > <0> [] __vunmap+0x4d/0xc0 > <0> [] load_module+0xa14/0xb70 > <0> [] filemap_fault+0x0/0x360 > <0> [] blocking_notifier_call_chain+0x17/0x20 > <0> [] sys_init_module+0xe6/0x1a0 > <0> [] syscall_call+0x7/0xb > <0>Code: Bad EIP value. > <0>EIP: [<00000000>] 0x0 SS:ESP 0068:f648bca8 > <4>---[ end trace 6e26e53289db93ad ]--- >=20 > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" i= n > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ --=20 Eric Anholt eric@anholt.net eric.anholt@intel.com --=-yM0NE1CO3ZJ1LVQToDZs Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEABECAAYFAklesq4ACgkQHUdvYGzw6vckuACfZm+PgtTTaPSpUpIhEYcYYwcY WYQAn1/WpQw2QCFkqoZS6FNHgVsNQHxl =eZXB -----END PGP SIGNATURE----- --=-yM0NE1CO3ZJ1LVQToDZs--