FYI, we noticed the below changes on https://github.com/0day-ci/linux Shashank-Sharma/Color-Management-for-DRM-framework/20151020-202959 commit 6a9b928d4149ae2b195a2c13d55bf9c59a98c40c ("drm: Create Color Management query properties") +--------------------------------------------------------------+------------+------------+ | | 44325dcfed | 6a9b928d41 | +--------------------------------------------------------------+------------+------------+ | boot_successes | 15 | 0 | | boot_failures | 0 | 11 | | WARNING:at_drivers/gpu/drm/drm_crtc.c:#drm_property_create() | 0 | 11 | | backtrace:drm_property_create | 0 | 11 | | backtrace:drm_mode_config_init | 0 | 11 | | backtrace:bochs_kms_init | 0 | 11 | | backtrace:__pci_register_driver | 0 | 11 | | backtrace:drm_pci_init | 0 | 11 | | backtrace:bochs_init | 0 | 11 | | backtrace:kernel_init_freeable | 0 | 11 | +--------------------------------------------------------------+------------+------------+ [ 3.088019] [TTM] Zone kernel: Available graphics memory: 80722 kiB [ 3.089216] [TTM] Initializing pool allocator [ 3.090150] ------------[ cut here ]------------ [ 3.091098] WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_crtc.c:3598 drm_property_create+0x11f/0x140() [ 3.093218] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.3.0-rc3-00447-g6a9b928 #1 [ 3.109890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014 [ 3.111674] 00000000 00000000 cb46fcdc c155c5a2 00000000 cb46fd10 c104e132 c2a474cc [ 3.123017] 00000000 00000001 c2b4b4ac 00000e0e c173509f 00000e0e c173509f c9bc55a0 [ 3.127796] c9bb2e1c c2ab39c1 cb46fd20 c104e21b 00000009 00000000 cb46fd3c c173509f [ 3.130073] Call Trace: [ 3.130723] [] dump_stack+0x4b/0x79 [ 3.131648] [] warn_slowpath_common+0x82/0xc0 [ 3.132726] [] ? drm_property_create+0x11f/0x140 [ 3.142859] [] ? drm_property_create+0x11f/0x140 [ 3.150987] [] warn_slowpath_null+0x1b/0x20 [ 3.152008] [] drm_property_create+0x11f/0x140 [ 3.153109] [] drm_mode_config_init+0x502/0x570 [ 3.161237] [] bochs_kms_init+0x1a/0x120 [ 3.162235] [] bochs_load+0x6c/0x90 [ 3.163154] [] drm_dev_register+0x9e/0xb0 [ 3.164333] [] drm_get_pci_dev+0x74/0x1c0 [ 3.165326] [] bochs_pci_probe+0x70/0xa0 [ 3.166349] [] pci_device_probe+0x7f/0xf0 [ 3.167365] [] ? _raw_spin_unlock+0x10/0x30 [ 3.168421] [] ? devices_kset_move_last+0x56/0xa0 [ 3.169539] [] driver_probe_device+0x139/0x490 [ 3.170608] [] ? pci_match_device+0xc2/0xf0 [ 3.171670] [] __driver_attach+0x89/0x90 [ 3.172645] [] ? driver_probe_device+0x490/0x490 [ 3.193865] [] bus_for_each_dev+0x47/0x80 [ 3.194873] [] driver_attach+0x19/0x20 [ 3.203879] [] ? driver_probe_device+0x490/0x490 [ 3.204979] [] bus_add_driver+0x1d7/0x280 [ 3.206013] [] ? qxl_init+0x43/0x43 [ 3.206938] [] ? qxl_init+0x43/0x43 [ 3.207865] [] driver_register+0x54/0xe0 [ 3.208877] [] __pci_register_driver+0x2e/0x40 [ 3.209917] [] drm_pci_init+0xea/0x110 [ 3.210885] [] ? qxl_init+0x43/0x43 [ 3.211836] [] bochs_init+0x12/0x14 [ 3.223822] [] do_one_initcall+0x17f/0x192 [ 3.224847] [] ? repair_env_string+0x12/0x54 [ 3.225890] [] ? parse_args+0x1ef/0x4f0 [ 3.226878] [] ? __might_sleep+0x3b/0xc0 [ 3.227862] [] kernel_init_freeable+0x164/0x1e1 [ 3.228968] [] ? kernel_init_freeable+0x164/0x1e1 [ 3.230078] [] kernel_init+0xb/0xe0 [ 3.231002] [] ? schedule_tail+0x2a/0xa0 [ 3.232018] [] ret_from_kernel_thread+0x21/0x30 [ 3.253128] [] ? rest_init+0x80/0x80 [ 3.263116] ---[ end trace 067054755672de5e ]--- [ 3.264122] ------------[ cut here ]------------ Thanks, Ying Huang