linux-kernel - [lkp] [drm] 6a9b928d41: WARNING: CPU: 0 PID: 1 at drivers/gpu/drm/drm_crtc.c:3598 drm_property

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Message-ID: <87oafr7m3z.fsf@yhuang-dev.intel.com>
Date:	Thu, 22 Oct 2015 09:01:04 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Shashank Sharma <shashank.sharma@...el.com>
CC:	0day robot <fengguang.wu@...el.com>
Subject: [lkp] [drm] 6a9b928d41: WARNING: CPU: 0 PID: 1 at
 drivers/gpu/drm/drm_crtc.c:3598 drm_property_create+0x11f/0x140()

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]  [<c155c5a2>] dump_stack+0x4b/0x79
[    3.131648]  [<c104e132>] warn_slowpath_common+0x82/0xc0
[    3.132726]  [<c173509f>] ? drm_property_create+0x11f/0x140
[    3.142859]  [<c173509f>] ? drm_property_create+0x11f/0x140
[    3.150987]  [<c104e21b>] warn_slowpath_null+0x1b/0x20
[    3.152008]  [<c173509f>] drm_property_create+0x11f/0x140
[    3.153109]  [<c1739b42>] drm_mode_config_init+0x502/0x570
[    3.161237]  [<c189395a>] bochs_kms_init+0x1a/0x120
[    3.162235]  [<c18927ac>] bochs_load+0x6c/0x90
[    3.163154]  [<c172d76e>] drm_dev_register+0x9e/0xb0
[    3.164333]  [<c172f864>] drm_get_pci_dev+0x74/0x1c0
[    3.165326]  [<c1892710>] bochs_pci_probe+0x70/0xa0
[    3.166349]  [<c15b157f>] pci_device_probe+0x7f/0xf0
[    3.167365]  [<c257b5d0>] ? _raw_spin_unlock+0x10/0x30
[    3.168421]  [<c18a37d6>] ? devices_kset_move_last+0x56/0xa0
[    3.169539]  [<c18a7c99>] driver_probe_device+0x139/0x490
[    3.170608]  [<c15b1242>] ? pci_match_device+0xc2/0xf0
[    3.171670]  [<c18a8079>] __driver_attach+0x89/0x90
[    3.172645]  [<c18a7ff0>] ? driver_probe_device+0x490/0x490
[    3.193865]  [<c18a6017>] bus_for_each_dev+0x47/0x80
[    3.194873]  [<c18a8159>] driver_attach+0x19/0x20
[    3.203879]  [<c18a7ff0>] ? driver_probe_device+0x490/0x490
[    3.204979]  [<c18a6a37>] bus_add_driver+0x1d7/0x280
[    3.206013]  [<c2e2b409>] ? qxl_init+0x43/0x43
[    3.206938]  [<c2e2b409>] ? qxl_init+0x43/0x43
[    3.207865]  [<c18a87c4>] driver_register+0x54/0xe0
[    3.208877]  [<c15b161e>] __pci_register_driver+0x2e/0x40
[    3.209917]  [<c172fa9a>] drm_pci_init+0xea/0x110
[    3.210885]  [<c2e2b409>] ? qxl_init+0x43/0x43
[    3.211836]  [<c2e2b41b>] bochs_init+0x12/0x14
[    3.223822]  [<c2dfccad>] do_one_initcall+0x17f/0x192
[    3.224847]  [<c2dfc4fa>] ? repair_env_string+0x12/0x54
[    3.225890]  [<c10668ef>] ? parse_args+0x1ef/0x4f0
[    3.226878]  [<c107302b>] ? __might_sleep+0x3b/0xc0
[    3.227862]  [<c2dfce24>] kernel_init_freeable+0x164/0x1e1
[    3.228968]  [<c2dfce24>] ? kernel_init_freeable+0x164/0x1e1
[    3.230078]  [<c25733bb>] kernel_init+0xb/0xe0
[    3.231002]  [<c106f75a>] ? schedule_tail+0x2a/0xa0
[    3.232018]  [<c257bc41>] ret_from_kernel_thread+0x21/0x30
[    3.253128]  [<c25733b0>] ? rest_init+0x80/0x80
[    3.263116] ---[ end trace 067054755672de5e ]---
[    3.264122] ------------[ cut here ]------------





Thanks,
Ying Huang

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