Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751288AbaG1DQN (ORCPT ); Sun, 27 Jul 2014 23:16:13 -0400 Received: from mail-we0-f171.google.com ([74.125.82.171]:41522 "EHLO mail-we0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750862AbaG1DQM convert rfc822-to-8bit (ORCPT ); Sun, 27 Jul 2014 23:16:12 -0400 MIME-Version: 1.0 In-Reply-To: <53D5AF41.6080604@intel.com> References: <53d5ad85.OKrHssidwykOWTnD%fengguang.wu@intel.com> <53D5AF41.6080604@intel.com> Date: Sun, 27 Jul 2014 23:16:10 -0400 Message-ID: Subject: Re: [LKP] [drm] WARNING: CPU: 2 PID: 430 at drivers/gpu/drm/drm_crtc.c:1391 drm_universal_plane_init+0x241/0x260 [drm]() From: Nick Krause To: Aaron Lu Cc: Rob Clark , LKML , lkp@01.org 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 On Sun, Jul 27, 2014 at 10:02 PM, Aaron Lu wrote: > FYI, we noticed the below changes on > > git://people.freedesktop.org/~robclark/linux cold-fusion-v3.16-rc5 > commit 08172e9d2385ca9bd545a8229ac749f589146a31 ("drm: convert plane to properties/state") > > +-----------------+------------+------------+ > | | 88471ddbb1 | 08172e9d23 | > +-----------------+------------+------------+ > | boot_successes | 10 | 10 | > | early-boot-hang | 1 | 1 | > +-----------------+------------+------------+ > > > [ 21.274681] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). > [ 21.275090] [drm] Driver supports precise vblank timestamp query. > [ 21.275984] ------------[ cut here ]------------ > [ 21.276300] WARNING: CPU: 2 PID: 430 at drivers/gpu/drm/drm_crtc.c:1391 drm_universal_plane_init+0x241/0x260 [drm]() > [ 21.277126] Modules linked in: firewire_ohci(+) firewire_core crc_itu_t snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic shpchp pcspkr i2c_i801 ahci snd_hda_intel i915(+) libahci snd_hda_controller libata snd_hda_codec snd_hwdep snd_pcm snd_timer drm_kms_helper snd soundcore drm winbond_cir rc_core floppy(+) parport_pc parport video > [ 21.279682] CPU: 2 PID: 430 Comm: modprobe Not tainted 3.16.0-rc6-wl-ath-04110-gc6264ea #1 > [ 21.280208] Hardware name: Intel Corporation 2012 Client Platform/LosLunas CRB, BIOS ACRVMBY1.86C.0054.B00.1107311147 07/31/2011 > [ 21.281029] 0000000000000009 ffff88041b34b860 ffffffff8182d64b 0000000000000000 > [ 21.281655] ffff88041b34b898 ffffffff8106d16d ffff88007fb32000 0000000000000000 > [ 21.282191] ffff88041a9ebe00 000000000000000a ffff88041a9ebe00 ffff88041b34b8a8 > [ 21.282791] Call Trace: > [ 21.282958] [] dump_stack+0x4d/0x66 > [ 21.283290] [] warn_slowpath_common+0x7d/0xa0 > [ 21.283756] [] warn_slowpath_null+0x1a/0x20 > [ 21.284134] [] drm_universal_plane_init+0x241/0x260 [drm] > [ 21.284697] [] intel_modeset_init+0x471/0xe70 [i915] > [ 21.285127] [] ? ibx_irq_postinstall+0x5a/0xe0 [i915] > [ 21.285652] [] ? ironlake_irq_postinstall+0xc6/0x1a0 [i915] > [ 21.286137] [] i915_driver_load+0xb4a/0x1000 [i915] > [ 21.286640] [] ? kobject_uevent_env+0x178/0x690 > [ 21.287028] [] ? get_device+0x17/0x30 > [ 21.287361] [] ? klist_class_dev_get+0x15/0x20 > [ 21.287813] [] ? klist_add_tail+0x3a/0x40 > [ 21.288166] [] ? device_add+0x1f9/0x610 > [ 21.288608] [] ? drm_sysfs_device_add+0xd6/0x120 [drm] > [ 21.289033] [] drm_dev_register+0xad/0x100 [drm] > [ 21.289420] [] drm_get_pci_dev+0x8f/0x1f0 [drm] > [ 21.289887] [] i915_pci_probe+0x3b/0x60 [i915] > [ 21.290258] [] local_pci_probe+0x45/0xa0 > [ 21.290690] [] ? pci_match_device+0xe5/0x110 > [ 21.291078] [] pci_device_probe+0xd1/0x130 > [ 21.291435] [] driver_probe_device+0x90/0x3c0 > [ 21.291891] [] __driver_attach+0x93/0xa0 > [ 21.292227] [] ? __device_attach+0x40/0x40 > [ 21.292640] [] bus_for_each_dev+0x63/0xa0 > [ 21.292969] [] driver_attach+0x1e/0x20 > [ 21.293293] [] bus_add_driver+0x180/0x250 > [ 21.293705] [] driver_register+0x64/0xf0 > [ 21.294041] [] __pci_register_driver+0x4c/0x50 > [ 21.294399] [] drm_pci_init+0x10a/0x140 [drm] > [ 21.294863] [] ? 0xffffffffa026cfff > [ 21.295209] [] i915_init+0x89/0x90 [i915] > [ 21.295654] [] do_one_initcall+0xbc/0x1f0 > [ 21.296010] [] ? __vunmap+0xb2/0x100 > [ 21.296330] [] load_module+0x15fc/0x1a30 > [ 21.296760] [] ? store_uevent+0x40/0x40 > [ 21.297132] [] SyS_init_module+0xc1/0x110 > [ 21.297470] [] system_call_fastpath+0x16/0x1b > [ 21.297910] ---[ end trace ecc622d672d3c733 ]--- > [ 21.298652] ------------[ cut here ]------------ > > > > Disclaimer: > Results have been estimated based on internal Intel analysis and are provided > for informational purposes only. Any difference in system hardware or software > design or configuration may affect actual performance. > > Thanks, > Aaron Aaron, I want to known what cpu's Intel is running this on it order to get kernel warning in the x86 boot code. Regards Nick -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in 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/