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<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>
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