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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - BUG i915_request (Tainted: G U W ): Objects remaining in i915_request on __kmem_cache_shutdown()"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108795">108795</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>BUG i915_request (Tainted: G U W ): Objects remaining in i915_request on __kmem_cache_shutdown()
</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>martin.peres@free.fr
</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>
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<div>
<pre><3> [428.458956]
=============================================================================
<3> [428.458963] BUG i915_request (Tainted: G U W ): Objects remaining in
i915_request on __kmem_cache_shutdown()
<3> [428.458966]
-----------------------------------------------------------------------------\x0a
<3> [428.458972] INFO: Slab 0x000000004c5304f0 objects=28 used=1
fp=0x00000000849e78b2 flags=0x8000000000010200
<4> [428.458977] CPU: 2 PID: 4539 Comm: drv_selftest Tainted: G BU W
4.20.0-rc1-g756a0fd616c3-repeat_14+ #1
<4> [428.458980] Hardware name: Intel Corporation NUC8i3BEH/NUC8BEB, BIOS
BECFL357.86A.0037.2018.0614.2204 06/14/2018
<4> [428.458983] Call Trace:
<4> [428.458991] dump_stack+0x67/0x9b
<4> [428.458998] slab_err+0xa8/0xd0
<4> [428.459006] ? __slab_alloc.isra.27.constprop.33+0x62/0x70
<4> [428.459012] ? __kmalloc+0x1ac/0x2e0
<4> [428.459019] __kmem_cache_shutdown+0x1b4/0x420
<4> [428.459027] shutdown_cache+0x10/0x1d0
<4> [428.459033] kmem_cache_destroy+0x281/0x2a0
<4> [428.459126] i915_gem_cleanup_early+0x8e/0x190 [i915]
<4> [428.459203] i915_driver_cleanup_early+0x30/0x70 [i915]
<4> [428.459289] i915_driver_release+0xa/0x30 [i915]
<4> [428.459374] i915_pci_remove+0x21/0x30 [i915]
<4> [428.459448] i915_pci_probe+0x60/0xa0 [i915]
<4> [428.459455] pci_device_probe+0xa1/0x130
<4> [428.459461] really_probe+0xf3/0x3e0
<4> [428.459467] driver_probe_device+0x10a/0x120
<4> [428.459472] __driver_attach+0xdb/0x100
<4> [428.459476] ? driver_probe_device+0x120/0x120
<4> [428.459480] ? driver_probe_device+0x120/0x120
<4> [428.459486] bus_for_each_dev+0x74/0xc0
<4> [428.459491] bus_add_driver+0x15f/0x250
<4> [428.459495] ? 0xffffffffc069d000
<4> [428.459500] driver_register+0x56/0xe0
<4> [428.459504] ? 0xffffffffc069d000
<4> [428.459508] do_one_initcall+0x58/0x2e0
<4> [428.459515] ? kmem_cache_alloc_trace+0x1eb/0x290
<4> [428.459522] do_init_module+0x56/0x1ea
<4> [428.459527] load_module+0x2714/0x29f0
<4> [428.459540] ? __se_sys_finit_module+0xd3/0xf0
<4> [428.459544] __se_sys_finit_module+0xd3/0xf0
<4> [428.459553] do_syscall_64+0x55/0x190
<4> [428.459559] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [428.459563] RIP: 0033:0x7f83e383c839
<4> [428.459568] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89
f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
<4> [428.459572] RSP: 002b:00007fff699e4a58 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
<4> [428.459577] RAX: ffffffffffffffda RBX: 0000564ff1a87d90 RCX:
00007f83e383c839
<4> [428.459580] RDX: 0000000000000000 RSI: 0000564ff1a88a90 RDI:
0000000000000006
<4> [428.459583] RBP: 0000564ff1a88a90 R08: 0000000000000004 R09:
0000000000000000
<4> [428.459586] R10: 00007fff699e4bd0 R11: 0000000000000246 R12:
0000000000000000
<4> [428.459590] R13: 0000564ff1a81cd0 R14: 0000000000000020 R15:
000000000000003d
<3> [428.459602] INFO: Object 0x00000000e37d9d45 @offset=3520
<3> [428.459676] INFO: Allocated in i915_request_alloc+0xf1/0x7e0 [i915]
age=5171 cpu=3 pid=4539
<3> [428.459682] \x09kmem_cache_alloc+0x21c/0x280
<3> [428.459752] \x09i915_request_alloc+0xf1/0x7e0 [i915]
<3> [428.459825] \x09hang_create_request+0xbd/0x920 [i915]
<3> [428.459899] \x09__igt_reset_engines+0x35d/0x7b0 [i915]
<3> [428.459965] \x09igt_reset_engines+0x30/0x50 [i915]
<3> [428.460045] \x09__i915_subtests+0x5e/0xf0 [i915]
<3> [428.460116] \x09intel_hangcheck_live_selftests+0x5b/0xa0 [i915]
<3> [428.460195] \x09__run_selftests+0x10b/0x190 [i915]
<3> [428.460269] \x09i915_live_selftests+0x2c/0x60 [i915]
<3> [428.460330] \x09i915_pci_probe+0x50/0xa0 [i915]
<3> [428.460335] \x09pci_device_probe+0xa1/0x130
<3> [428.460339] \x09really_probe+0xf3/0x3e0
<3> [428.460342] \x09driver_probe_device+0x10a/0x120
<3> [428.460346] \x09__driver_attach+0xdb/0x100
<3> [428.460351] \x09bus_for_each_dev+0x74/0xc0
<3> [428.460355] \x09bus_add_driver+0x15f/0x250
<3> [428.460394] kmem_cache_destroy i915_request: Slab cache still has objects
<4> [428.460404] CPU: 2 PID: 4539 Comm: drv_selftest Tainted: G BU W
4.20.0-rc1-g756a0fd616c3-repeat_14+ #1
<4> [428.460415] Hardware name: Intel Corporation NUC8i3BEH/NUC8BEB, BIOS
BECFL357.86A.0037.2018.0614.2204 06/14/2018
<4> [428.460424] Call Trace:
<4> [428.460435] dump_stack+0x67/0x9b
<4> [428.460446] kmem_cache_destroy+0x20e/0x2a0
<4> [428.460540] i915_gem_cleanup_early+0x8e/0x190 [i915]
<4> [428.460619] i915_driver_cleanup_early+0x30/0x70 [i915]
<4> [428.460699] i915_driver_release+0xa/0x30 [i915]
<4> [428.460780] i915_pci_remove+0x21/0x30 [i915]
<4> [428.460859] i915_pci_probe+0x60/0xa0 [i915]
<4> [428.460869] pci_device_probe+0xa1/0x130
<4> [428.460879] really_probe+0xf3/0x3e0
<4> [428.460890] driver_probe_device+0x10a/0x120
<4> [428.460900] __driver_attach+0xdb/0x100
<4> [428.460909] ? driver_probe_device+0x120/0x120
<4> [428.460920] ? driver_probe_device+0x120/0x120
<4> [428.460930] bus_for_each_dev+0x74/0xc0
<4> [428.460943] bus_add_driver+0x15f/0x250
<4> [428.460952] ? 0xffffffffc069d000
<4> [428.460962] driver_register+0x56/0xe0
<4> [428.460971] ? 0xffffffffc069d000
<4> [428.460982] do_one_initcall+0x58/0x2e0
<4> [428.460994] ? kmem_cache_alloc_trace+0x1eb/0x290
<4> [428.461005] do_init_module+0x56/0x1ea
<4> [428.461012] load_module+0x2714/0x29f0
<4> [428.461029] ? __se_sys_finit_module+0xd3/0xf0
<4> [428.461036] __se_sys_finit_module+0xd3/0xf0
<4> [428.461050] do_syscall_64+0x55/0x190
<4> [428.461058] entry_SYSCALL_64_after_hwframe+0x49/0xbe
<4> [428.461063] RIP: 0033:0x7f83e383c839
<4> [428.461069] Code: 00 f3 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89
f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 8b 0d 1f f6 2c 00 f7 d8 64 89 01 48
<4> [428.461076] RSP: 002b:00007fff699e4a58 EFLAGS: 00000246 ORIG_RAX:
0000000000000139
<4> [428.461083] RAX: ffffffffffffffda RBX: 0000564ff1a87d90 RCX:
00007f83e383c839
<4> [428.461088] RDX: 0000000000000000 RSI: 0000564ff1a88a90 RDI:
0000000000000006
<4> [428.461093] RBP: 0000564ff1a88a90 R08: 0000000000000004 R09:
0000000000000000
<4> [428.461098] R10: 00007fff699e4bd0 R11: 0000000000000246 R12:
0000000000000000
<4> [428.461103] R13: 0000564ff1a81cd0 R14: 0000000000000020 R15:
000000000000003d
<4> [428.499143] i915: probe of 0000:00:02.0 failed with error -5
<6> [428.729554] [IGT] drv_selftest: exiting, ret=99</pre>
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