[Bug 95381] New: WARNING: CPU: 0 PID: 129 at /home/kernel/COD/linux/include/linux/kref.h:47 drm_framebuffer_reference+0x6e/0x80 [drm]()

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=95381

            Bug ID: 95381
           Summary: WARNING: CPU: 0 PID: 129 at
                    /home/kernel/COD/linux/include/linux/kref.h:47
                    drm_framebuffer_reference+0x6e/0x80 [drm]()
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.0.0-rc5
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: caravena at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

[    1.456257] ------------[ cut here ]------------
[    1.456282] WARNING: CPU: 0 PID: 129 at
/home/kernel/COD/linux/include/linux/kref.h:47
drm_framebuffer_reference+0x6e/0x80 [drm]()
[    1.456284] Modules linked in: i915(+) i2c_algo_bit drm_kms_helper psmouse
ahci r8169 libahci drm mii wmi video
[    1.456299] CPU: 0 PID: 129 Comm: systemd-udevd Not tainted
4.0.0-040000rc5-generic #201503230035
[    1.456301] Hardware name: SAMSUNG ELECTRONICS CO., LTD.
530U3C/530U4C/SAMSUNG_NP1234567890, BIOS P14AAJ 04/15/2013
[    1.456303]  000000000000002f ffff8800358738e8 ffffffff817dfeea
00000000000022a0
[    1.456307]  0000000000000000 ffff880035873928 ffffffff810791b7
ffff880035bb87e8
[    1.456311]  ffff880035eef900 ffff880035eef900 0000000000000000
ffff880119216000
[    1.456314] Call Trace:
[    1.456322]  [<ffffffff817dfeea>] dump_stack+0x45/0x57
[    1.456328]  [<ffffffff810791b7>] warn_slowpath_common+0x97/0xe0
[    1.456333]  [<ffffffff8107921a>] warn_slowpath_null+0x1a/0x20
[    1.456348]  [<ffffffffc00b035e>] drm_framebuffer_reference+0x6e/0x80 [drm]
[    1.456366]  [<ffffffffc00c1d66>] drm_atomic_set_fb_for_plane+0x36/0xa0
[drm]
[    1.456410]  [<ffffffffc0217ccd>] update_state_fb.isra.42+0x1d/0x20 [i915]
[    1.456443]  [<ffffffffc021ff70>]
ironlake_get_initial_plane_config+0x290/0x3a0 [i915]
[    1.456477]  [<ffffffffc022b374>] intel_modeset_init+0x244/0x370 [i915]
[    1.456516]  [<ffffffffc025e22f>] i915_load_modeset_init+0xbf/0x190 [i915]
[    1.456552]  [<ffffffffc025ea06>] i915_driver_load+0x5d6/0x800 [i915]
[    1.456566]  [<ffffffffc00a9b6d>] drm_dev_register+0xbd/0x110 [drm]
[    1.456581]  [<ffffffffc00ac9a9>] drm_get_pci_dev+0x89/0x190 [drm]
[    1.456606]  [<ffffffffc01b3c9b>] i915_pci_probe+0x3b/0x60 [i915]
[    1.456612]  [<ffffffff8140198e>] local_pci_probe+0x4e/0xa0
[    1.456616]  [<ffffffff81402af5>] ? pci_match_device+0xe5/0x110
[    1.456620]  [<ffffffff81402c19>] __pci_device_probe+0xb9/0xf0
[    1.456624]  [<ffffffff81402c8a>] pci_device_probe+0x3a/0x60
[    1.456630]  [<ffffffff8150dfd1>] really_probe+0x91/0x380
[    1.456634]  [<ffffffff8150e447>] driver_probe_device+0x47/0xa0
[    1.456638]  [<ffffffff8150e54b>] __driver_attach+0xab/0xb0
[    1.456642]  [<ffffffff8150e4a0>] ? driver_probe_device+0xa0/0xa0
[    1.456646]  [<ffffffff8150c32e>] bus_for_each_dev+0x5e/0x90
[    1.456650]  [<ffffffff8150db7e>] driver_attach+0x1e/0x20
[    1.456654]  [<ffffffff8150d704>] bus_add_driver+0x124/0x260
[    1.456659]  [<ffffffff8150ee24>] driver_register+0x64/0xf0
[    1.456662]  [<ffffffffc02c7000>] ? 0xffffffffc02c7000
[    1.456666]  [<ffffffff81401d0c>] __pci_register_driver+0x4c/0x50
[    1.456679]  [<ffffffffc00acbaa>] drm_pci_init+0xfa/0x130 [drm]
[    1.456682]  [<ffffffffc02c7000>] ? 0xffffffffc02c7000
[    1.456706]  [<ffffffffc02c70a0>] i915_init+0xa0/0xa8 [i915]
[    1.456709]  [<ffffffffc02c7000>] ? 0xffffffffc02c7000
[    1.456713]  [<ffffffff81002157>] do_one_initcall+0xd7/0x200
[    1.456717]  [<ffffffff811de13d>] ? kmem_cache_alloc_trace+0x19d/0x210
[    1.456722]  [<ffffffff817d59c7>] do_init_module+0x61/0x1ce
[    1.456726]  [<ffffffff8110059e>] load_module+0x49e/0x5f0
[    1.456731]  [<ffffffff810fd600>] ? show_initstate+0x50/0x50
[    1.456734]  [<ffffffff8110089e>] SyS_finit_module+0xae/0xd0
[    1.456739]  [<ffffffff817ec6cd>] system_call_fastpath+0x16/0x1b
[    1.456742] ---[ end trace b8f5aa411087fa51 ]---

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