Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753469AbbF2PDj (ORCPT ); Mon, 29 Jun 2015 11:03:39 -0400 Received: from mail-ie0-f180.google.com ([209.85.223.180]:33947 "EHLO mail-ie0-f180.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753040AbbF2PD0 (ORCPT ); Mon, 29 Jun 2015 11:03:26 -0400 MIME-Version: 1.0 Date: Mon, 29 Jun 2015 11:03:25 -0400 X-Google-Sender-Auth: ZYQxdxlYfY3DsYP98QrDP0eYduA Message-ID: Subject: Warning in intel_disable_pipe with v4.1-11235-gc63f887bdea8 From: Josh Boyer To: Daniel Vetter , Jani Nikula , David Airlie Cc: "Linux-Kernel@Vger. Kernel. Org" , Intel Graphics Development Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4905 Lines: 90 Hi All, More i915 WARN splats. This one on a machine with Linus' latest tree as of this morning. josh [ 7.906372] [drm] Replacing VGA console driver [ 7.935724] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013). [ 7.942359] [drm] Driver supports precise vblank timestamp query. [ 7.952024] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 7.953189] e1000e 0000:00:19.0 enp0s25: renamed from eth0 [ 7.995333] [drm] Initialized i915 1.6.0 20150522 for 0000:00:02.0 on minor 0 [ 8.024490] fbcon: inteldrmfb (fb0) is primary device [ 8.132749] ------------[ cut here ]------------ [ 8.132815] WARNING: CPU: 0 PID: 143 at drivers/gpu/drm/i915/intel_display.c:1064 intel_disable_pipe+0x28d/0x2a0 [i915]() [ 8.132816] pipe_off wait timed out [ 8.132832] Modules linked in: i915 video i2c_algo_bit drm_kms_helper e1000e drm ata_generic pata_acpi ptp pps_core [ 8.132837] CPU: 0 PID: 143 Comm: kworker/u8:4 Not tainted 4.2.0-0.rc0.git2.1.fc23.x86_64 #1 [ 8.132839] Hardware name: Intel Corp. Intel(R) UDK2010 firmware developer platform, BIOS SDV.TM.B10 Release Build (CSM Available) 01/01/2011 [ 8.132849] Workqueue: events_unbound async_run_entry_fn [ 8.132855] 0000000000000000 000000007f346c1b ffff880134887638 ffffffff81856f03 [ 8.132861] 0000000000000000 ffff880134887690 ffff880134887678 ffffffff810ab456 [ 8.132866] ffffffff81e566c0 ffff8800b3010000 0000000000070008 00000000fffb8601 [ 8.132867] Call Trace: [ 8.132874] [] dump_stack+0x4c/0x65 [ 8.132880] [] warn_slowpath_common+0x86/0xc0 [ 8.132884] [] warn_slowpath_fmt+0x55/0x70 [ 8.132935] [] ? gen5_read32+0x1d5/0x200 [i915] [ 8.132985] [] intel_disable_pipe+0x28d/0x2a0 [i915] [ 8.133036] [] ironlake_crtc_disable+0x93/0x7f0 [i915] [ 8.133087] [] ? intel_frontbuffer_flush+0x65/0x70 [i915] [ 8.133138] [] __intel_set_mode+0x9de/0xbc0 [i915] [ 8.133189] [] ? intel_modeset_compute_config+0x3af/0xb60 [i915] [ 8.133241] [] intel_crtc_set_config+0x2cc/0x610 [i915] [ 8.133263] [] drm_mode_set_config_internal+0x69/0x110 [drm] [ 8.133274] [] restore_fbdev_mode+0xc2/0xf0 [drm_kms_helper] [ 8.133284] [] drm_fb_helper_restore_fbdev_mode_unlocked+0x29/0x70 [drm_kms_helper] [ 8.133294] [] drm_fb_helper_set_par+0x22/0x40 [drm_kms_helper] [ 8.133345] [] intel_fbdev_set_par+0x1a/0x60 [i915] [ 8.133350] [] fbcon_init+0x545/0x5d0 [ 8.133355] [] visual_init+0xbc/0x120 [ 8.133359] [] do_bind_con_driver+0x1c5/0x3b0 [ 8.133362] [] do_take_over_console+0x149/0x1a0 [ 8.133366] [] ? printk+0x55/0x6b [ 8.133370] [] do_fbcon_takeover+0x57/0xb0 [ 8.133373] [] fbcon_event_notify+0x674/0x770 [ 8.133378] [] notifier_call_chain+0x3e/0xb0 [ 8.133382] [] __blocking_notifier_call_chain+0x51/0x70 [ 8.133386] [] blocking_notifier_call_chain+0x16/0x20 [ 8.133389] [] fb_notifier_call_chain+0x1b/0x20 [ 8.133392] [] register_framebuffer+0x217/0x350 [ 8.133403] [] drm_fb_helper_initial_config+0x261/0x430 [drm_kms_helper] [ 8.133455] [] intel_fbdev_initial_config+0x1b/0x20 [i915] [ 8.133459] [] async_run_entry_fn+0x4a/0x140 [ 8.133463] [] process_one_work+0x232/0x840 [ 8.133467] [] ? process_one_work+0x19b/0x840 [ 8.133472] [] ? debug_lockdep_rcu_enabled+0x1d/0x20 [ 8.133475] [] ? worker_thread+0xd5/0x450 [ 8.133480] [] worker_thread+0x4e/0x450 [ 8.133484] [] ? process_one_work+0x840/0x840 [ 8.133487] [] kthread+0x104/0x120 [ 8.133493] [] ? kthread_create_on_node+0x250/0x250 [ 8.133497] [] ret_from_fork+0x3f/0x70 [ 8.133500] [] ? kthread_create_on_node+0x250/0x250 [ 8.133503] ---[ end trace 94ef6cc929187b61 ]--- [ 8.174594] Console: switching to colour frame buffer device 240x67 [ 8.538116] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device [ 8.538119] i915 0000:00:02.0: registered panic notifier -- 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/