From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752517AbbHMOEz (ORCPT ); Thu, 13 Aug 2015 10:04:55 -0400 Received: from mail-pa0-f46.google.com ([209.85.220.46]:35689 "EHLO mail-pa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751692AbbHMOEx (ORCPT ); Thu, 13 Aug 2015 10:04:53 -0400 Date: Thu, 13 Aug 2015 23:03:52 +0900 From: Sergey Senozhatsky To: David Airlie Cc: Daniel Vetter , Sergey Senozhatsky , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org Subject: [-next] WARNING at ww_mutex.h in drm_atomic_check_only Message-ID: <20150813140352.GA550@swordfish> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.23+102 (2ca89bed6448) (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, rc6-next-20150813 [ 1.987833] fbcon: inteldrmfb (fb0) is primary device [ 1.988589] ------------[ cut here ]------------ [ 1.988607] WARNING: CPU: 0 PID: 62 at include/linux/ww_mutex.h:158 drm_atomic_check_only+0x24e/0x4ed [drm]() [ 1.988609] DEBUG_LOCKS_WARN_ON(ctx->done_acquire) [ 1.988631] Modules linked in: arc4 nls_iso8859_1 nls_cp437 iwlmvm vfat coretemp hwmon mac80211 serio_raw acpi_cpufreq(-) fat psmouse atkbd iwlwifi libps2 intel_powerclamp i915(+) crc32c_intel cfg80211 r8169 i2c_algo_bit drm_kms_helper cfbfillrect syscopyarea cfbimgblt mii i2c_i801 sysfillrect lpc_ich mfd_core sysimgblt mxm_wmi fb_sys_fops cfbcopyarea thermal drm ie31200_edac edac_core i8042 video wmi evdev backlight serio processor ext4 crc16 mbcache jbd2 sd_mod ehci_pci ehci_hcd ahci libahci libata xhci_pci scsi_mod xhci_hcd usbcore usb_common [ 1.988633] CPU: 0 PID: 62 Comm: kworker/u16:1 Not tainted 4.2.0-rc6-next-20150813-dbg-00006-gf3ed897-dirty #201 [ 1.988638] Workqueue: events_unbound async_run_entry_fn [ 1.988640] 0000000000000000 ffff88041bb73870 ffffffff813921e2 ffff88041bb738b8 [ 1.988641] ffff88041bb738a8 ffffffff810398ea ffffffffa02d8789 ffff88041cf7b400 [ 1.988642] ffff8800c6eac000 ffff880037f01000 ffff88041ad4f600 ffff88041bb73910 [ 1.988643] Call Trace: [ 1.988646] [] dump_stack+0x4b/0x63 [ 1.988648] [] warn_slowpath_common+0x99/0xb2 [ 1.988661] [] ? drm_atomic_check_only+0x24e/0x4ed [drm] [ 1.988662] [] warn_slowpath_fmt+0x48/0x50 [ 1.988673] [] drm_atomic_check_only+0x24e/0x4ed [drm] [ 1.988683] [] drm_atomic_commit+0x17/0x52 [drm] [ 1.988690] [] drm_atomic_helper_plane_set_property+0x6e/0xa5 [drm_kms_helper] [ 1.988701] [] drm_mode_plane_set_obj_prop+0x31/0x56 [drm] [ 1.988706] [] restore_fbdev_mode+0x66/0xd2 [drm_kms_helper] [ 1.988712] [] drm_fb_helper_restore_fbdev_mode_unlocked+0x27/0x5e [drm_kms_helper] [ 1.988716] [] drm_fb_helper_set_par+0x3f/0x4b [drm_kms_helper] [ 1.988752] [] intel_fbdev_set_par+0x17/0x56 [i915] [ 1.988755] [] fbcon_init+0x337/0x443 [ 1.988757] [] visual_init+0xcd/0x122 [ 1.988759] [] do_bind_con_driver+0x1b6/0x2d5 [ 1.988761] [] do_take_over_console+0x164/0x18e [ 1.988763] [] do_fbcon_takeover+0x60/0x9c [ 1.988764] [] fbcon_event_notify+0x423/0x746 [ 1.988766] [] ? __blocking_notifier_call_chain+0x33/0x67 [ 1.988767] [] notifier_call_chain+0x4a/0x6c [ 1.988768] [] __blocking_notifier_call_chain+0x4c/0x67 [ 1.988769] [] blocking_notifier_call_chain+0x14/0x16 [ 1.988771] [] fb_notifier_call_chain+0x1b/0x1d [ 1.988772] [] register_framebuffer+0x295/0x2cd [ 1.988778] [] drm_fb_helper_initial_config+0x29a/0x75e [drm_kms_helper] [ 1.988809] [] intel_fbdev_initial_config+0x1b/0x1d [i915] [ 1.988810] [] async_run_entry_fn+0x37/0xcd [ 1.988812] [] process_one_work+0x294/0x54d [ 1.988813] [] worker_thread+0x273/0x366 [ 1.988815] [] ? rescuer_thread+0x2a7/0x2a7 [ 1.988816] [] kthread+0xf8/0x100 [ 1.988818] [] ? kthread_create_on_node+0x1c7/0x1c7 [ 1.988820] [] ret_from_fork+0x3f/0x70 [ 1.988822] [] ? kthread_create_on_node+0x1c7/0x1c7 [ 1.988823] ---[ end trace 80dfb9f9e0dae41e ]--- -ss