Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750958AbaG1ELT (ORCPT ); Mon, 28 Jul 2014 00:11:19 -0400 Received: from mga09.intel.com ([134.134.136.24]:25545 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750708AbaG1ELP (ORCPT ); Mon, 28 Jul 2014 00:11:15 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,746,1400050800"; d="scan'208";a="579848453" Message-ID: <53D5CD5F.4010904@intel.com> Date: Mon, 28 Jul 2014 12:11:11 +0800 From: Aaron Lu MIME-Version: 1.0 To: Nick Krause CC: Rob Clark , LKML , lkp@01.org Subject: Re: [LKP] [drm] WARNING: CPU: 2 PID: 430 at drivers/gpu/drm/drm_crtc.c:1391 drm_universal_plane_init+0x241/0x260 [drm]() References: <53d5ad85.OKrHssidwykOWTnD%fengguang.wu@intel.com> <53D5AF41.6080604@intel.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/28/2014 11:16 AM, Nick Krause wrote: > 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. I suppose you want GPU information? Here it is: 00:02.0 VGA compatible controller: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller (rev 04) (prog-if 00 [VGA controller]) Subsystem: Intel Corporation Device 2211 Flags: bus master, fast devsel, latency 0, IRQ 45 Memory at afc00000 (64-bit, non-prefetchable) [size=4M] Memory at c0000000 (64-bit, prefetchable) [size=256M] I/O ports at 2000 [size=64] Expansion ROM at [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915 00: 86 80 62 01 07 04 90 00 04 00 00 03 00 00 00 00 10: 04 00 c0 af 00 00 00 00 0c 00 00 c0 00 00 00 00 20: 01 20 00 00 00 00 00 00 00 00 00 00 86 80 11 22 30: 00 00 00 00 90 00 00 00 00 00 00 00 0b 01 00 00 Regards, Aaron -- 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/