<html>
    <head>
      <base href="https://bugs.freedesktop.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - [bsw] drv_module_reload_basic intel_user_framebuffer_leak"
   href="https://bugs.freedesktop.org/show_bug.cgi?id=95004">95004</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>[bsw] drv_module_reload_basic intel_user_framebuffer_leak
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>DRI
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>XOrg git
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>Other
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>medium
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>DRM/Intel
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>chris@chris-wilson.co.uk
          </td>
        </tr>

        <tr>
          <th>QA Contact</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>intel-gfx-bugs@lists.freedesktop.org
          </td>
        </tr></table>
      <p>
        <div>
        <pre>[   12.668941] ------------[ cut here ]------------
[   12.669012] WARNING: CPU: 0 PID: 926 at drivers/gpu/drm/drm_crtc.c:5939
drm_mode_config_cleanup+0x204/0x230
[   12.669046] Modules linked in: i915(-) intel_gtt drm_kms_helper
[   12.669121] CPU: 0 PID: 926 Comm: rmmod Not tainted 4.6.0-rc4+ #209
[   12.669147] Hardware name:                  /NUC5CPYB, BIOS
PYBSWCEL.86A.0027.2015.0507.1758 05/07/2015
[   12.669178]  0000000000000000 ffff88007addfcd8 ffffffff812841a8
0000000000000000
[   12.669240]  0000000000000000 ffff88007addfd18 ffffffff81072a8b
0000173375d22000
[   12.669308]  ffff880275751c58 ffff880275751800 ffff880275751b18
0000000000000000
[   12.669366] Call Trace:
[   12.669402]  [<ffffffff812841a8>] dump_stack+0x4d/0x65
[   12.669435]  [<ffffffff81072a8b>] __warn+0xcb/0xf0
[   12.669466]  [<ffffffff81072b7d>] warn_slowpath_null+0x1d/0x20
[   12.669497]  [<ffffffff813435f4>] drm_mode_config_cleanup+0x204/0x230
[   12.669703]  [<ffffffffa00b11b8>] intel_modeset_cleanup+0x88/0xb0 [i915]
[   12.669895]  [<ffffffffa00e9e49>] i915_driver_unload+0x69/0x1b0 [i915]
[   12.669929]  [<ffffffff81339de9>] drm_dev_unregister+0x29/0xb0
[   12.669960]  [<ffffffff8133a4c3>] drm_put_dev+0x23/0x60
[   12.670128]  [<ffffffffa002a195>] i915_pci_remove+0x15/0x20 [i915]
[   12.670175]  [<ffffffff812b5309>] pci_device_remove+0x39/0xc0
[   12.670217]  [<ffffffff8135a1f1>] __device_release_driver+0xa1/0x160
[   12.670258]  [<ffffffff8135ae26>] driver_detach+0xa6/0xb0
[   12.670297]  [<ffffffff81359bd5>] bus_remove_driver+0x55/0xd0
[   12.670339]  [<ffffffff8135b5bc>] driver_unregister+0x2c/0x50
[   12.670379]  [<ffffffff812b4181>] pci_unregister_driver+0x21/0x90
[   12.670420]  [<ffffffff8133bb84>] drm_pci_exit+0x94/0xb0
[   12.670619]  [<ffffffffa00ea5d1>] i915_exit+0x20/0x181 [i915]
[   12.670669]  [<ffffffff810d9ccc>] SyS_delete_module+0x19c/0x1f0
[   12.670715]  [<ffffffff8148385b>] entry_SYSCALL_64_fastpath+0x13/0x8f
[   12.670852] ---[ end trace f7177b2caa14eb03 ]---
[   12.670937] ------------[ cut here ]------------
[   12.671215] WARNING: CPU: 0 PID: 926 at drivers/gpu/drm/i915/i915_gem.c:3820
i915_gem_free_object+0x2f3/0x310 [i915]
[   12.671282] WARN_ON(obj->frontbuffer_bits)
[   12.671318] Modules linked in: i915(-) intel_gtt drm_kms_helper
[   12.671458] CPU: 0 PID: 926 Comm: rmmod Tainted: G        W       4.6.0-rc4+
#209
[   12.671507] Hardware name:                  /NUC5CPYB, BIOS
PYBSWCEL.86A.0027.2015.0507.1758 05/07/2015
[   12.671558]  0000000000000000 ffff88007addfbe0 ffffffff812841a8
ffff88007addfc30
[   12.671645]  0000000000000000 ffff88007addfc20 ffffffff81072a8b
00000eec7addfc18
[   12.671721]  ffff88027513bf80 ffff88027513c000 ffff8802758d0000
ffff88027513c0c0
[   12.671795] Call Trace:
[   12.671839]  [<ffffffff812841a8>] dump_stack+0x4d/0x65
[   12.671883]  [<ffffffff81072a8b>] __warn+0xcb/0xf0
[   12.671925]  [<ffffffff81072aff>] warn_slowpath_fmt+0x4f/0x60
[   12.672114]  [<ffffffffa0066693>] i915_gem_free_object+0x2f3/0x310 [i915]
[   12.672160]  [<ffffffff81334fb0>] drm_gem_object_free+0x30/0x50
[   12.672359]  [<ffffffffa009d7e2>] intel_user_framebuffer_destroy+0x82/0xc0
[i915]
[   12.672418]  [<ffffffff81340b65>] drm_framebuffer_free+0x55/0x60
[   12.672458]  [<ffffffff81343591>] drm_mode_config_cleanup+0x1a1/0x230
[   12.672656]  [<ffffffffa00b11b8>] intel_modeset_cleanup+0x88/0xb0 [i915]
[   12.672859]  [<ffffffffa00e9e49>] i915_driver_unload+0x69/0x1b0 [i915]
[   12.672906]  [<ffffffff81339de9>] drm_dev_unregister+0x29/0xb0
[   12.672949]  [<ffffffff8133a4c3>] drm_put_dev+0x23/0x60
[   12.673114]  [<ffffffffa002a195>] i915_pci_remove+0x15/0x20 [i915]
[   12.673157]  [<ffffffff812b5309>] pci_device_remove+0x39/0xc0
[   12.673198]  [<ffffffff8135a1f1>] __device_release_driver+0xa1/0x160
[   12.673238]  [<ffffffff8135ae26>] driver_detach+0xa6/0xb0
[   12.673279]  [<ffffffff81359bd5>] bus_remove_driver+0x55/0xd0
[   12.673319]  [<ffffffff8135b5bc>] driver_unregister+0x2c/0x50
[   12.673359]  [<ffffffff812b4181>] pci_unregister_driver+0x21/0x90
[   12.673400]  [<ffffffff8133bb84>] drm_pci_exit+0x94/0xb0
[   12.673601]  [<ffffffffa00ea5d1>] i915_exit+0x20/0x181 [i915]
[   12.673646]  [<ffffffff810d9ccc>] SyS_delete_module+0x19c/0x1f0
[   12.673689]  [<ffffffff8148385b>] entry_SYSCALL_64_fastpath+0x13/0x8f
[   12.673797] ---[ end trace f7177b2caa14eb04 ]---
[   12.673835] ------------[ cut here ]------------
[   12.674039] WARNING: CPU: 0 PID: 926 at drivers/gpu/drm/i915/i915_gem.c:3827
i915_gem_free_object+0x2c6/0x310 [i915]
[   12.674094] WARN_ON(obj->pages_pin_count)
[   12.674112] Modules linked in: i915(-) intel_gtt drm_kms_helper
[   12.674231] CPU: 0 PID: 926 Comm: rmmod Tainted: G        W       4.6.0-rc4+
#209
[   12.674280] Hardware name:                  /NUC5CPYB, BIOS
PYBSWCEL.86A.0027.2015.0507.1758 05/07/2015
[   12.674329]  0000000000000000 ffff88007addfbe0 ffffffff812841a8
ffff88007addfc30
[   12.674408]  0000000000000000 ffff88007addfc20 ffffffff81072a8b
00000ef37addfc18
[   12.674485]  ffff88027513bf80 ffff88027513c000 ffff8802758d0000
ffff88027513c0c0
[   12.674562] Call Trace:
[   12.674603]  [<ffffffff812841a8>] dump_stack+0x4d/0x65
[   12.674644]  [<ffffffff81072a8b>] __warn+0xcb/0xf0
[   12.674684]  [<ffffffff81072aff>] warn_slowpath_fmt+0x4f/0x60
[   12.674872]  [<ffffffffa0066666>] i915_gem_free_object+0x2c6/0x310 [i915]
[   12.674916]  [<ffffffff81334fb0>] drm_gem_object_free+0x30/0x50
[   12.675124]  [<ffffffffa009d7e2>] intel_user_framebuffer_destroy+0x82/0xc0
[i915]
[   12.675182]  [<ffffffff81340b65>] drm_framebuffer_free+0x55/0x60
[   12.675222]  [<ffffffff81343591>] drm_mode_config_cleanup+0x1a1/0x230
[   12.675419]  [<ffffffffa00b11b8>] intel_modeset_cleanup+0x88/0xb0 [i915]
[   12.675626]  [<ffffffffa00e9e49>] i915_driver_unload+0x69/0x1b0 [i915]
[   12.675672]  [<ffffffff81339de9>] drm_dev_unregister+0x29/0xb0
[   12.675712]  [<ffffffff8133a4c3>] drm_put_dev+0x23/0x60
[   12.675875]  [<ffffffffa002a195>] i915_pci_remove+0x15/0x20 [i915]
[   12.675921]  [<ffffffff812b5309>] pci_device_remove+0x39/0xc0
[   12.675960]  [<ffffffff8135a1f1>] __device_release_driver+0xa1/0x160
[   12.676000]  [<ffffffff8135ae26>] driver_detach+0xa6/0xb0
[   12.676040]  [<ffffffff81359bd5>] bus_remove_driver+0x55/0xd0
[   12.676084]  [<ffffffff8135b5bc>] driver_unregister+0x2c/0x50
[   12.676127]  [<ffffffff812b4181>] pci_unregister_driver+0x21/0x90
[   12.676169]  [<ffffffff8133bb84>] drm_pci_exit+0x94/0xb0
[   12.676368]  [<ffffffffa00ea5d1>] i915_exit+0x20/0x181 [i915]
[   12.676424]  [<ffffffff810d9ccc>] SyS_delete_module+0x19c/0x1f0
[   12.676474]  [<ffffffff8148385b>] entry_SYSCALL_64_fastpath+0x13/0x8f
[   12.676582] ---[ end trace f7177b2caa14eb05 ]---</pre>
        </div>
      </p>
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          <li>You are the QA Contact for the bug.</li>
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