From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753692AbYL3NbZ (ORCPT ); Tue, 30 Dec 2008 08:31:25 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751870AbYL3NbR (ORCPT ); Tue, 30 Dec 2008 08:31:17 -0500 Received: from [78.227.24.35] ([78.227.24.35]:42711 "HELO briare1.fullpliant.org" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with SMTP id S1751709AbYL3NbQ (ORCPT ); Tue, 30 Dec 2008 08:31:16 -0500 X-Greylist: delayed 705 seconds by postgrey-1.27 at vger.kernel.org; Tue, 30 Dec 2008 08:31:15 EST From: Hubert Tonneau To: airlied@gmail.com Cc: linux-kernel@vger.kernel.org Subject: i915 KMS framebuffer oops report Date: Tue, 30 Dec 2008 14:21:44 GMT Message-ID: <08IR6K911@briare1.fullpliant.org> X-Mailer: Pliant 105 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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: <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 = 00000000 <0>Oops: 0000 [#1] SMP <0>last sysfs file: <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 <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=f648a000 task=f6fcd8d0 task.ti=f648a000) <0>Stack: <4> c0152fe0 000000d0 00000000 00000000 00000000 00000000 f6f64148 c0153054 <0> 00000000 00000000 00000000 00000000 00000020 f65853c0 c01530f0 00000000 <0> f65853c0 f7e08bcc 00000000 f7cd3931 f6437f40 f6f64148 f6585440 f65853c0 <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 ]---